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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AIRFLOW-2872) Implement "Ad Hoc Query" in /www_rbac, and refine existing QueryView()
Date Tue, 14 Aug 2018 04:34:09 GMT

    [ https://issues.apache.org/jira/browse/AIRFLOW-2872?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16579249#comment-16579249 ] 

ASF GitHub Bot commented on AIRFLOW-2872:
-----------------------------------------

XD-DENG closed pull request #3718: [AIRFLOW-2872] Implement 'Ad Hoc Query' for RBAC and Refine QueryView()
URL: https://github.com/apache/incubator-airflow/pull/3718
 
 
   

This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:

As this is a foreign pull request (from a fork), the diff is supplied
below (as it won't show otherwise due to GitHub magic):

diff --git a/airflow/www/views.py b/airflow/www/views.py
index 3e41d2d02a..6b3894f106 100644
--- a/airflow/www/views.py
+++ b/airflow/www/views.py
@@ -2200,7 +2200,6 @@ class QueryForm(Form):
             hook = db.get_hook()
             try:
                 df = hook.get_pandas_df(wwwutils.limit_sql(sql, QUERY_LIMIT, conn_type=db.conn_type))
-                # df = hook.get_pandas_df(sql)
                 has_data = len(df) > 0
                 df = df.fillna('')
                 results = df.to_html(
@@ -2208,7 +2207,7 @@ class QueryForm(Form):
                         'table', 'table-bordered', 'table-striped', 'no-wrap'],
                     index=False,
                     na_rep='',
-                ) if has_data else ''
+                ) if (has_data and not csv) else ''
             except Exception as e:
                 flash(str(e), 'error')
                 error = True
@@ -2221,19 +2220,18 @@ class QueryForm(Form):
         if not has_data and error:
             flash('No data', 'error')
 
-        if csv:
+        if csv and has_data:
             return Response(
                 response=df.to_csv(index=False),
                 status=200,
-                mimetype="application/text")
+                mimetype="text/csv")
 
         form = QueryForm(request.form, data=data)
         session.commit()
         return self.render(
             'airflow/query.html', form=form,
             title="Ad Hoc Query",
-            results=results or '',
-            has_data=has_data)
+            results=results or '')
 
 
 class AirflowModelView(ModelView):
diff --git a/airflow/www_rbac/app.py b/airflow/www_rbac/app.py
index 92e5c73881..aa12217afb 100644
--- a/airflow/www_rbac/app.py
+++ b/airflow/www_rbac/app.py
@@ -89,6 +89,11 @@ def init_views(appbuilder):
             appbuilder.add_view_no_menu(views.DagModelView())
             appbuilder.add_view_no_menu(views.ConfigurationView())
             appbuilder.add_view_no_menu(views.VersionView())
+            appbuilder.add_view_no_menu(views.QueryView())
+            appbuilder.add_link("Ad Hoc Query",
+                                href='/queryview',
+                                category="Data Profiling",
+                                category_icon="fa-database")
             appbuilder.add_view(views.DagRunModelView,
                                 "DAG Runs",
                                 category="Browse",
diff --git a/airflow/www_rbac/static/js/ace.js b/airflow/www_rbac/static/js/ace.js
new file mode 100644
index 0000000000..b007a0946e
--- /dev/null
+++ b/airflow/www_rbac/static/js/ace.js
@@ -0,0 +1,18297 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Distributed under the BSD license:
+ *
+ * Copyright (c) 2010, Ajax.org B.V.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of Ajax.org B.V. nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+/**
+ * Define a module along with a payload
+ * @param module a name for the payload
+ * @param payload a function to call with (require, exports, module) params
+ */
+
+(function() {
+
+var ACE_NAMESPACE = "";
+
+var global = (function() {
+    return this;
+})();
+
+
+if (!ACE_NAMESPACE && typeof requirejs !== "undefined")
+    return;
+
+
+var _define = function(module, deps, payload) {
+    if (typeof module !== 'string') {
+        if (_define.original)
+            _define.original.apply(window, arguments);
+        else {
+            console.error('dropping module because define wasn\'t a string.');
+            console.trace();
+        }
+        return;
+    }
+
+    if (arguments.length == 2)
+        payload = deps;
+
+    if (!_define.modules) {
+        _define.modules = {};
+        _define.payloads = {};
+    }
+
+    _define.payloads[module] = payload;
+    _define.modules[module] = null;
+};
+
+/**
+ * Get at functionality define()ed using the function above
+ */
+var _require = function(parentId, module, callback) {
+    if (Object.prototype.toString.call(module) === "[object Array]") {
+        var params = [];
+        for (var i = 0, l = module.length; i < l; ++i) {
+            var dep = lookup(parentId, module[i]);
+            if (!dep && _require.original)
+                return _require.original.apply(window, arguments);
+            params.push(dep);
+        }
+        if (callback) {
+            callback.apply(null, params);
+        }
+    }
+    else if (typeof module === 'string') {
+        var payload = lookup(parentId, module);
+        if (!payload && _require.original)
+            return _require.original.apply(window, arguments);
+
+        if (callback) {
+            callback();
+        }
+
+        return payload;
+    }
+    else {
+        if (_require.original)
+            return _require.original.apply(window, arguments);
+    }
+};
+
+var normalizeModule = function(parentId, moduleName) {
+    // normalize plugin requires
+    if (moduleName.indexOf("!") !== -1) {
+        var chunks = moduleName.split("!");
+        return normalizeModule(parentId, chunks[0]) + "!" + normalizeModule(parentId, chunks[1]);
+    }
+    // normalize relative requires
+    if (moduleName.charAt(0) == ".") {
+        var base = parentId.split("/").slice(0, -1).join("/");
+        moduleName = base + "/" + moduleName;
+
+        while(moduleName.indexOf(".") !== -1 && previous != moduleName) {
+            var previous = moduleName;
+            moduleName = moduleName.replace(/\/\.\//, "/").replace(/[^\/]+\/\.\.\//, "");
+        }
+    }
+
+    return moduleName;
+};
+
+/**
+ * Internal function to lookup moduleNames and resolve them by calling the
+ * definition function if needed.
+ */
+var lookup = function(parentId, moduleName) {
+
+    moduleName = normalizeModule(parentId, moduleName);
+
+    var module = _define.modules[moduleName];
+    if (!module) {
+        module = _define.payloads[moduleName];
+        if (typeof module === 'function') {
+            var exports = {};
+            var mod = {
+                id: moduleName,
+                uri: '',
+                exports: exports,
+                packaged: true
+            };
+
+            var req = function(module, callback) {
+                return _require(moduleName, module, callback);
+            };
+
+            var returnValue = module(req, exports, mod);
+            exports = returnValue || mod.exports;
+            _define.modules[moduleName] = exports;
+            delete _define.payloads[moduleName];
+        }
+        module = _define.modules[moduleName] = exports || module;
+    }
+    return module;
+};
+
+function exportAce(ns) {
+    var require = function(module, callback) {
+        return _require("", module, callback);
+    };
+
+    var root = global;
+    if (ns) {
+        if (!global[ns])
+            global[ns] = {};
+        root = global[ns];
+    }
+
+    if (!root.define || !root.define.packaged) {
+        _define.original = root.define;
+        root.define = _define;
+        root.define.packaged = true;
+    }
+
+    if (!root.require || !root.require.packaged) {
+        _require.original = root.require;
+        root.require = require;
+        root.require.packaged = true;
+    }
+}
+
+exportAce(ACE_NAMESPACE);
+
+})();
+
+define("ace/lib/regexp",["require","exports","module"], function(require, exports, module) {
+"use strict";
+
+    var real = {
+            exec: RegExp.prototype.exec,
+            test: RegExp.prototype.test,
+            match: String.prototype.match,
+            replace: String.prototype.replace,
+            split: String.prototype.split
+        },
+        compliantExecNpcg = real.exec.call(/()??/, "")[1] === undefined, // check `exec` handling of nonparticipating capturing groups
+        compliantLastIndexIncrement = function () {
+            var x = /^/g;
+            real.test.call(x, "");
+            return !x.lastIndex;
+        }();
+
+    if (compliantLastIndexIncrement && compliantExecNpcg)
+        return;
+    RegExp.prototype.exec = function (str) {
+        var match = real.exec.apply(this, arguments),
+            name, r2;
+        if ( typeof(str) == 'string' && match) {
+            if (!compliantExecNpcg && match.length > 1 && indexOf(match, "") > -1) {
+                r2 = RegExp(this.source, real.replace.call(getNativeFlags(this), "g", ""));
+                real.replace.call(str.slice(match.index), r2, function () {
+                    for (var i = 1; i < arguments.length - 2; i++) {
+                        if (arguments[i] === undefined)
+                            match[i] = undefined;
+                    }
+                });
+            }
+            if (this._xregexp && this._xregexp.captureNames) {
+                for (var i = 1; i < match.length; i++) {
+                    name = this._xregexp.captureNames[i - 1];
+                    if (name)
+                       match[name] = match[i];
+                }
+            }
+            if (!compliantLastIndexIncrement && this.global && !match[0].length && (this.lastIndex > match.index))
+                this.lastIndex--;
+        }
+        return match;
+    };
+    if (!compliantLastIndexIncrement) {
+        RegExp.prototype.test = function (str) {
+            var match = real.exec.call(this, str);
+            if (match && this.global && !match[0].length && (this.lastIndex > match.index))
+                this.lastIndex--;
+            return !!match;
+        };
+    }
+
+    function getNativeFlags (regex) {
+        return (regex.global     ? "g" : "") +
+               (regex.ignoreCase ? "i" : "") +
+               (regex.multiline  ? "m" : "") +
+               (regex.extended   ? "x" : "") + // Proposed for ES4; included in AS3
+               (regex.sticky     ? "y" : "");
+    }
+
+    function indexOf (array, item, from) {
+        if (Array.prototype.indexOf) // Use the native array method if available
+            return array.indexOf(item, from);
+        for (var i = from || 0; i < array.length; i++) {
+            if (array[i] === item)
+                return i;
+        }
+        return -1;
+    }
+
+});
+
+define("ace/lib/es5-shim",["require","exports","module"], function(require, exports, module) {
+
+function Empty() {}
+
+if (!Function.prototype.bind) {
+    Function.prototype.bind = function bind(that) { // .length is 1
+        var target = this;
+        if (typeof target != "function") {
+            throw new TypeError("Function.prototype.bind called on incompatible " + target);
+        }
+        var args = slice.call(arguments, 1); // for normal call
+        var bound = function () {
+
+            if (this instanceof bound) {
+
+                var result = target.apply(
+                    this,
+                    args.concat(slice.call(arguments))
+                );
+                if (Object(result) === result) {
+                    return result;
+                }
+                return this;
+
+            } else {
+                return target.apply(
+                    that,
+                    args.concat(slice.call(arguments))
+                );
+
+            }
+
+        };
+        if(target.prototype) {
+            Empty.prototype = target.prototype;
+            bound.prototype = new Empty();
+            Empty.prototype = null;
+        }
+        return bound;
+    };
+}
+var call = Function.prototype.call;
+var prototypeOfArray = Array.prototype;
+var prototypeOfObject = Object.prototype;
+var slice = prototypeOfArray.slice;
+var _toString = call.bind(prototypeOfObject.toString);
+var owns = call.bind(prototypeOfObject.hasOwnProperty);
+var defineGetter;
+var defineSetter;
+var lookupGetter;
+var lookupSetter;
+var supportsAccessors;
+if ((supportsAccessors = owns(prototypeOfObject, "__defineGetter__"))) {
+    defineGetter = call.bind(prototypeOfObject.__defineGetter__);
+    defineSetter = call.bind(prototypeOfObject.__defineSetter__);
+    lookupGetter = call.bind(prototypeOfObject.__lookupGetter__);
+    lookupSetter = call.bind(prototypeOfObject.__lookupSetter__);
+}
+if ([1,2].splice(0).length != 2) {
+    if(function() { // test IE < 9 to splice bug - see issue #138
+        function makeArray(l) {
+            var a = new Array(l+2);
+            a[0] = a[1] = 0;
+            return a;
+        }
+        var array = [], lengthBefore;
+
+        array.splice.apply(array, makeArray(20));
+        array.splice.apply(array, makeArray(26));
+
+        lengthBefore = array.length; //46
+        array.splice(5, 0, "XXX"); // add one element
+
+        lengthBefore + 1 == array.length
+
+        if (lengthBefore + 1 == array.length) {
+            return true;// has right splice implementation without bugs
+        }
+    }()) {//IE 6/7
+        var array_splice = Array.prototype.splice;
+        Array.prototype.splice = function(start, deleteCount) {
+            if (!arguments.length) {
+                return [];
+            } else {
+                return array_splice.apply(this, [
+                    start === void 0 ? 0 : start,
+                    deleteCount === void 0 ? (this.length - start) : deleteCount
+                ].concat(slice.call(arguments, 2)))
+            }
+        };
+    } else {//IE8
+        Array.prototype.splice = function(pos, removeCount){
+            var length = this.length;
+            if (pos > 0) {
+                if (pos > length)
+                    pos = length;
+            } else if (pos == void 0) {
+                pos = 0;
+            } else if (pos < 0) {
+                pos = Math.max(length + pos, 0);
+            }
+
+            if (!(pos+removeCount < length))
+                removeCount = length - pos;
+
+            var removed = this.slice(pos, pos+removeCount);
+            var insert = slice.call(arguments, 2);
+            var add = insert.length;
+            if (pos === length) {
+                if (add) {
+                    this.push.apply(this, insert);
+                }
+            } else {
+                var remove = Math.min(removeCount, length - pos);
+                var tailOldPos = pos + remove;
+                var tailNewPos = tailOldPos + add - remove;
+                var tailCount = length - tailOldPos;
+                var lengthAfterRemove = length - remove;
+
+                if (tailNewPos < tailOldPos) { // case A
+                    for (var i = 0; i < tailCount; ++i) {
+                        this[tailNewPos+i] = this[tailOldPos+i];
+                    }
+                } else if (tailNewPos > tailOldPos) { // case B
+                    for (i = tailCount; i--; ) {
+                        this[tailNewPos+i] = this[tailOldPos+i];
+                    }
+                } // else, add == remove (nothing to do)
+
+                if (add && pos === lengthAfterRemove) {
+                    this.length = lengthAfterRemove; // truncate array
+                    this.push.apply(this, insert);
+                } else {
+                    this.length = lengthAfterRemove + add; // reserves space
+                    for (i = 0; i < add; ++i) {
+                        this[pos+i] = insert[i];
+                    }
+                }
+            }
+            return removed;
+        };
+    }
+}
+if (!Array.isArray) {
+    Array.isArray = function isArray(obj) {
+        return _toString(obj) == "[object Array]";
+    };
+}
+var boxedString = Object("a"),
+    splitString = boxedString[0] != "a" || !(0 in boxedString);
+
+if (!Array.prototype.forEach) {
+    Array.prototype.forEach = function forEach(fun /*, thisp*/) {
+        var object = toObject(this),
+            self = splitString && _toString(this) == "[object String]" ?
+                this.split("") :
+                object,
+            thisp = arguments[1],
+            i = -1,
+            length = self.length >>> 0;
+        if (_toString(fun) != "[object Function]") {
+            throw new TypeError(); // TODO message
+        }
+
+        while (++i < length) {
+            if (i in self) {
+                fun.call(thisp, self[i], i, object);
+            }
+        }
+    };
+}
+if (!Array.prototype.map) {
+    Array.prototype.map = function map(fun /*, thisp*/) {
+        var object = toObject(this),
+            self = splitString && _toString(this) == "[object String]" ?
+                this.split("") :
+                object,
+            length = self.length >>> 0,
+            result = Array(length),
+            thisp = arguments[1];
+        if (_toString(fun) != "[object Function]") {
+            throw new TypeError(fun + " is not a function");
+        }
+
+        for (var i = 0; i < length; i++) {
+            if (i in self)
+                result[i] = fun.call(thisp, self[i], i, object);
+        }
+        return result;
+    };
+}
+if (!Array.prototype.filter) {
+    Array.prototype.filter = function filter(fun /*, thisp */) {
+        var object = toObject(this),
+            self = splitString && _toString(this) == "[object String]" ?
+                this.split("") :
+                    object,
+            length = self.length >>> 0,
+            result = [],
+            value,
+            thisp = arguments[1];
+        if (_toString(fun) != "[object Function]") {
+            throw new TypeError(fun + " is not a function");
+        }
+
+        for (var i = 0; i < length; i++) {
+            if (i in self) {
+                value = self[i];
+                if (fun.call(thisp, value, i, object)) {
+                    result.push(value);
+                }
+            }
+        }
+        return result;
+    };
+}
+if (!Array.prototype.every) {
+    Array.prototype.every = function every(fun /*, thisp */) {
+        var object = toObject(this),
+            self = splitString && _toString(this) == "[object String]" ?
+                this.split("") :
+                object,
+            length = self.length >>> 0,
+            thisp = arguments[1];
+        if (_toString(fun) != "[object Function]") {
+            throw new TypeError(fun + " is not a function");
+        }
+
+        for (var i = 0; i < length; i++) {
+            if (i in self && !fun.call(thisp, self[i], i, object)) {
+                return false;
+            }
+        }
+        return true;
+    };
+}
+if (!Array.prototype.some) {
+    Array.prototype.some = function some(fun /*, thisp */) {
+        var object = toObject(this),
+            self = splitString && _toString(this) == "[object String]" ?
+                this.split("") :
+                object,
+            length = self.length >>> 0,
+            thisp = arguments[1];
+        if (_toString(fun) != "[object Function]") {
+            throw new TypeError(fun + " is not a function");
+        }
+
+        for (var i = 0; i < length; i++) {
+            if (i in self && fun.call(thisp, self[i], i, object)) {
+                return true;
+            }
+        }
+        return false;
+    };
+}
+if (!Array.prototype.reduce) {
+    Array.prototype.reduce = function reduce(fun /*, initial*/) {
+        var object = toObject(this),
+            self = splitString && _toString(this) == "[object String]" ?
+                this.split("") :
+                object,
+            length = self.length >>> 0;
+        if (_toString(fun) != "[object Function]") {
+            throw new TypeError(fun + " is not a function");
+        }
+        if (!length && arguments.length == 1) {
+            throw new TypeError("reduce of empty array with no initial value");
+        }
+
+        var i = 0;
+        var result;
+        if (arguments.length >= 2) {
+            result = arguments[1];
+        } else {
+            do {
+                if (i in self) {
+                    result = self[i++];
+                    break;
+                }
+                if (++i >= length) {
+                    throw new TypeError("reduce of empty array with no initial value");
+                }
+            } while (true);
+        }
+
+        for (; i < length; i++) {
+            if (i in self) {
+                result = fun.call(void 0, result, self[i], i, object);
+            }
+        }
+
+        return result;
+    };
+}
+if (!Array.prototype.reduceRight) {
+    Array.prototype.reduceRight = function reduceRight(fun /*, initial*/) {
+        var object = toObject(this),
+            self = splitString && _toString(this) == "[object String]" ?
+                this.split("") :
+                object,
+            length = self.length >>> 0;
+        if (_toString(fun) != "[object Function]") {
+            throw new TypeError(fun + " is not a function");
+        }
+        if (!length && arguments.length == 1) {
+            throw new TypeError("reduceRight of empty array with no initial value");
+        }
+
+        var result, i = length - 1;
+        if (arguments.length >= 2) {
+            result = arguments[1];
+        } else {
+            do {
+                if (i in self) {
+                    result = self[i--];
+                    break;
+                }
+                if (--i < 0) {
+                    throw new TypeError("reduceRight of empty array with no initial value");
+                }
+            } while (true);
+        }
+
+        do {
+            if (i in this) {
+                result = fun.call(void 0, result, self[i], i, object);
+            }
+        } while (i--);
+
+        return result;
+    };
+}
+if (!Array.prototype.indexOf || ([0, 1].indexOf(1, 2) != -1)) {
+    Array.prototype.indexOf = function indexOf(sought /*, fromIndex */ ) {
+        var self = splitString && _toString(this) == "[object String]" ?
+                this.split("") :
+                toObject(this),
+            length = self.length >>> 0;
+
+        if (!length) {
+            return -1;
+        }
+
+        var i = 0;
+        if (arguments.length > 1) {
+            i = toInteger(arguments[1]);
+        }
+        i = i >= 0 ? i : Math.max(0, length + i);
+        for (; i < length; i++) {
+            if (i in self && self[i] === sought) {
+                return i;
+            }
+        }
+        return -1;
+    };
+}
+if (!Array.prototype.lastIndexOf || ([0, 1].lastIndexOf(0, -3) != -1)) {
+    Array.prototype.lastIndexOf = function lastIndexOf(sought /*, fromIndex */) {
+        var self = splitString && _toString(this) == "[object String]" ?
+                this.split("") :
+                toObject(this),
+            length = self.length >>> 0;
+
+        if (!length) {
+            return -1;
+        }
+        var i = length - 1;
+        if (arguments.length > 1) {
+            i = Math.min(i, toInteger(arguments[1]));
+        }
+        i = i >= 0 ? i : length - Math.abs(i);
+        for (; i >= 0; i--) {
+            if (i in self && sought === self[i]) {
+                return i;
+            }
+        }
+        return -1;
+    };
+}
+if (!Object.getPrototypeOf) {
+    Object.getPrototypeOf = function getPrototypeOf(object) {
+        return object.__proto__ || (
+            object.constructor ?
+            object.constructor.prototype :
+            prototypeOfObject
+        );
+    };
+}
+if (!Object.getOwnPropertyDescriptor) {
+    var ERR_NON_OBJECT = "Object.getOwnPropertyDescriptor called on a " +
+                         "non-object: ";
+    Object.getOwnPropertyDescriptor = function getOwnPropertyDescriptor(object, property) {
+        if ((typeof object != "object" && typeof object != "function") || object === null)
+            throw new TypeError(ERR_NON_OBJECT + object);
+        if (!owns(object, property))
+            return;
+
+        var descriptor, getter, setter;
+        descriptor =  { enumerable: true, configurable: true };
+        if (supportsAccessors) {
+            var prototype = object.__proto__;
+            object.__proto__ = prototypeOfObject;
+
+            var getter = lookupGetter(object, property);
+            var setter = lookupSetter(object, property);
+            object.__proto__ = prototype;
+
+            if (getter || setter) {
+                if (getter) descriptor.get = getter;
+                if (setter) descriptor.set = setter;
+                return descriptor;
+            }
+        }
+        descriptor.value = object[property];
+        return descriptor;
+    };
+}
+if (!Object.getOwnPropertyNames) {
+    Object.getOwnPropertyNames = function getOwnPropertyNames(object) {
+        return Object.keys(object);
+    };
+}
+if (!Object.create) {
+    var createEmpty;
+    if (Object.prototype.__proto__ === null) {
+        createEmpty = function () {
+            return { "__proto__": null };
+        };
+    } else {
+        createEmpty = function () {
+            var empty = {};
+            for (var i in empty)
+                empty[i] = null;
+            empty.constructor =
+            empty.hasOwnProperty =
+            empty.propertyIsEnumerable =
+            empty.isPrototypeOf =
+            empty.toLocaleString =
+            empty.toString =
+            empty.valueOf =
+            empty.__proto__ = null;
+            return empty;
+        }
+    }
+
+    Object.create = function create(prototype, properties) {
+        var object;
+        if (prototype === null) {
+            object = createEmpty();
+        } else {
+            if (typeof prototype != "object")
+                throw new TypeError("typeof prototype["+(typeof prototype)+"] != 'object'");
+            var Type = function () {};
+            Type.prototype = prototype;
+            object = new Type();
+            object.__proto__ = prototype;
+        }
+        if (properties !== void 0)
+            Object.defineProperties(object, properties);
+        return object;
+    };
+}
+
+function doesDefinePropertyWork(object) {
+    try {
+        Object.defineProperty(object, "sentinel", {});
+        return "sentinel" in object;
+    } catch (exception) {
+    }
+}
+if (Object.defineProperty) {
+    var definePropertyWorksOnObject = doesDefinePropertyWork({});
+    var definePropertyWorksOnDom = typeof document == "undefined" ||
+        doesDefinePropertyWork(document.createElement("div"));
+    if (!definePropertyWorksOnObject || !definePropertyWorksOnDom) {
+        var definePropertyFallback = Object.defineProperty;
+    }
+}
+
+if (!Object.defineProperty || definePropertyFallback) {
+    var ERR_NON_OBJECT_DESCRIPTOR = "Property description must be an object: ";
+    var ERR_NON_OBJECT_TARGET = "Object.defineProperty called on non-object: "
+    var ERR_ACCESSORS_NOT_SUPPORTED = "getters & setters can not be defined " +
+                                      "on this javascript engine";
+
+    Object.defineProperty = function defineProperty(object, property, descriptor) {
+        if ((typeof object != "object" && typeof object != "function") || object === null)
+            throw new TypeError(ERR_NON_OBJECT_TARGET + object);
+        if ((typeof descriptor != "object" && typeof descriptor != "function") || descriptor === null)
+            throw new TypeError(ERR_NON_OBJECT_DESCRIPTOR + descriptor);
+        if (definePropertyFallback) {
+            try {
+                return definePropertyFallback.call(Object, object, property, descriptor);
+            } catch (exception) {
+            }
+        }
+        if (owns(descriptor, "value")) {
+
+            if (supportsAccessors && (lookupGetter(object, property) ||
+                                      lookupSetter(object, property)))
+            {
+                var prototype = object.__proto__;
+                object.__proto__ = prototypeOfObject;
+                delete object[property];
+                object[property] = descriptor.value;
+                object.__proto__ = prototype;
+            } else {
+                object[property] = descriptor.value;
+            }
+        } else {
+            if (!supportsAccessors)
+                throw new TypeError(ERR_ACCESSORS_NOT_SUPPORTED);
+            if (owns(descriptor, "get"))
+                defineGetter(object, property, descriptor.get);
+            if (owns(descriptor, "set"))
+                defineSetter(object, property, descriptor.set);
+        }
+
+        return object;
+    };
+}
+if (!Object.defineProperties) {
+    Object.defineProperties = function defineProperties(object, properties) {
+        for (var property in properties) {
+            if (owns(properties, property))
+                Object.defineProperty(object, property, properties[property]);
+        }
+        return object;
+    };
+}
+if (!Object.seal) {
+    Object.seal = function seal(object) {
+        return object;
+    };
+}
+if (!Object.freeze) {
+    Object.freeze = function freeze(object) {
+        return object;
+    };
+}
+try {
+    Object.freeze(function () {});
+} catch (exception) {
+    Object.freeze = (function freeze(freezeObject) {
+        return function freeze(object) {
+            if (typeof object == "function") {
+                return object;
+            } else {
+                return freezeObject(object);
+            }
+        };
+    })(Object.freeze);
+}
+if (!Object.preventExtensions) {
+    Object.preventExtensions = function preventExtensions(object) {
+        return object;
+    };
+}
+if (!Object.isSealed) {
+    Object.isSealed = function isSealed(object) {
+        return false;
+    };
+}
+if (!Object.isFrozen) {
+    Object.isFrozen = function isFrozen(object) {
+        return false;
+    };
+}
+if (!Object.isExtensible) {
+    Object.isExtensible = function isExtensible(object) {
+        if (Object(object) === object) {
+            throw new TypeError(); // TODO message
+        }
+        var name = '';
+        while (owns(object, name)) {
+            name += '?';
+        }
+        object[name] = true;
+        var returnValue = owns(object, name);
+        delete object[name];
+        return returnValue;
+    };
+}
+if (!Object.keys) {
+    var hasDontEnumBug = true,
+        dontEnums = [
+            "toString",
+            "toLocaleString",
+            "valueOf",
+            "hasOwnProperty",
+            "isPrototypeOf",
+            "propertyIsEnumerable",
+            "constructor"
+        ],
+        dontEnumsLength = dontEnums.length;
+
+    for (var key in {"toString": null}) {
+        hasDontEnumBug = false;
+    }
+
+    Object.keys = function keys(object) {
+
+        if (
+            (typeof object != "object" && typeof object != "function") ||
+            object === null
+        ) {
+            throw new TypeError("Object.keys called on a non-object");
+        }
+
+        var keys = [];
+        for (var name in object) {
+            if (owns(object, name)) {
+                keys.push(name);
+            }
+        }
+
+        if (hasDontEnumBug) {
+            for (var i = 0, ii = dontEnumsLength; i < ii; i++) {
+                var dontEnum = dontEnums[i];
+                if (owns(object, dontEnum)) {
+                    keys.push(dontEnum);
+                }
+            }
+        }
+        return keys;
+    };
+
+}
+if (!Date.now) {
+    Date.now = function now() {
+        return new Date().getTime();
+    };
+}
+var ws = "\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003" +
+    "\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028" +
+    "\u2029\uFEFF";
+if (!String.prototype.trim || ws.trim()) {
+    ws = "[" + ws + "]";
+    var trimBeginRegexp = new RegExp("^" + ws + ws + "*"),
+        trimEndRegexp = new RegExp(ws + ws + "*$");
+    String.prototype.trim = function trim() {
+        return String(this).replace(trimBeginRegexp, "").replace(trimEndRegexp, "");
+    };
+}
+
+function toInteger(n) {
+    n = +n;
+    if (n !== n) { // isNaN
+        n = 0;
+    } else if (n !== 0 && n !== (1/0) && n !== -(1/0)) {
+        n = (n > 0 || -1) * Math.floor(Math.abs(n));
+    }
+    return n;
+}
+
+function isPrimitive(input) {
+    var type = typeof input;
+    return (
+        input === null ||
+        type === "undefined" ||
+        type === "boolean" ||
+        type === "number" ||
+        type === "string"
+    );
+}
+
+function toPrimitive(input) {
+    var val, valueOf, toString;
+    if (isPrimitive(input)) {
+        return input;
+    }
+    valueOf = input.valueOf;
+    if (typeof valueOf === "function") {
+        val = valueOf.call(input);
+        if (isPrimitive(val)) {
+            return val;
+        }
+    }
+    toString = input.toString;
+    if (typeof toString === "function") {
+        val = toString.call(input);
+        if (isPrimitive(val)) {
+            return val;
+        }
+    }
+    throw new TypeError();
+}
+var toObject = function (o) {
+    if (o == null) { // this matches both null and undefined
+        throw new TypeError("can't convert "+o+" to object");
+    }
+    return Object(o);
+};
+
+});
+
+define("ace/lib/fixoldbrowsers",["require","exports","module","ace/lib/regexp","ace/lib/es5-shim"], function(require, exports, module) {
+"use strict";
+
+require("./regexp");
+require("./es5-shim");
+
+});
+
+define("ace/lib/dom",["require","exports","module"], function(require, exports, module) {
+"use strict";
+
+var XHTML_NS = "http://www.w3.org/1999/xhtml";
+
+exports.getDocumentHead = function(doc) {
+    if (!doc)
+        doc = document;
+    return doc.head || doc.getElementsByTagName("head")[0] || doc.documentElement;
+}
+
+exports.createElement = function(tag, ns) {
+    return document.createElementNS ?
+           document.createElementNS(ns || XHTML_NS, tag) :
+           document.createElement(tag);
+};
+
+exports.hasCssClass = function(el, name) {
+    var classes = (el.className || "").split(/\s+/g);
+    return classes.indexOf(name) !== -1;
+};
+exports.addCssClass = function(el, name) {
+    if (!exports.hasCssClass(el, name)) {
+        el.className += " " + name;
+    }
+};
+exports.removeCssClass = function(el, name) {
+    var classes = el.className.split(/\s+/g);
+    while (true) {
+        var index = classes.indexOf(name);
+        if (index == -1) {
+            break;
+        }
+        classes.splice(index, 1);
+    }
+    el.className = classes.join(" ");
+};
+
+exports.toggleCssClass = function(el, name) {
+    var classes = el.className.split(/\s+/g), add = true;
+    while (true) {
+        var index = classes.indexOf(name);
+        if (index == -1) {
+            break;
+        }
+        add = false;
+        classes.splice(index, 1);
+    }
+    if(add)
+        classes.push(name);
+
+    el.className = classes.join(" ");
+    return add;
+};
+exports.setCssClass = function(node, className, include) {
+    if (include) {
+        exports.addCssClass(node, className);
+    } else {
+        exports.removeCssClass(node, className);
+    }
+};
+
+exports.hasCssString = function(id, doc) {
+    var index = 0, sheets;
+    doc = doc || document;
+
+    if (doc.createStyleSheet && (sheets = doc.styleSheets)) {
+        while (index < sheets.length)
+            if (sheets[index++].owningElement.id === id) return true;
+    } else if ((sheets = doc.getElementsByTagName("style"))) {
+        while (index < sheets.length)
+            if (sheets[index++].id === id) return true;
+    }
+
+    return false;
+};
+
+exports.importCssString = function importCssString(cssText, id, doc) {
+    doc = doc || document;
+    if (id && exports.hasCssString(id, doc))
+        return null;
+
+    var style;
+
+    if (doc.createStyleSheet) {
+        style = doc.createStyleSheet();
+        style.cssText = cssText;
+        if (id)
+            style.owningElement.id = id;
+    } else {
+        style = doc.createElementNS
+            ? doc.createElementNS(XHTML_NS, "style")
+            : doc.createElement("style");
+
+        style.appendChild(doc.createTextNode(cssText));
+        if (id)
+            style.id = id;
+
+        exports.getDocumentHead(doc).appendChild(style);
+    }
+};
+
+exports.importCssStylsheet = function(uri, doc) {
+    if (doc.createStyleSheet) {
+        doc.createStyleSheet(uri);
+    } else {
+        var link = exports.createElement('link');
+        link.rel = 'stylesheet';
+        link.href = uri;
+
+        exports.getDocumentHead(doc).appendChild(link);
+    }
+};
+
+exports.getInnerWidth = function(element) {
+    return (
+        parseInt(exports.computedStyle(element, "paddingLeft"), 10) +
+        parseInt(exports.computedStyle(element, "paddingRight"), 10) +
+        element.clientWidth
+    );
+};
+
+exports.getInnerHeight = function(element) {
+    return (
+        parseInt(exports.computedStyle(element, "paddingTop"), 10) +
+        parseInt(exports.computedStyle(element, "paddingBottom"), 10) +
+        element.clientHeight
+    );
+};
+
+
+if (typeof document == "undefined")
+    return;
+
+if (window.pageYOffset !== undefined) {
+    exports.getPageScrollTop = function() {
+        return window.pageYOffset;
+    };
+
+    exports.getPageScrollLeft = function() {
+        return window.pageXOffset;
+    };
+}
+else {
+    exports.getPageScrollTop = function() {
+        return document.body.scrollTop;
+    };
+
+    exports.getPageScrollLeft = function() {
+        return document.body.scrollLeft;
+    };
+}
+
+if (window.getComputedStyle)
+    exports.computedStyle = function(element, style) {
+        if (style)
+            return (window.getComputedStyle(element, "") || {})[style] || "";
+        return window.getComputedStyle(element, "") || {};
+    };
+else
+    exports.computedStyle = function(element, style) {
+        if (style)
+            return element.currentStyle[style];
+        return element.currentStyle;
+    };
+
+exports.scrollbarWidth = function(document) {
+    var inner = exports.createElement("ace_inner");
+    inner.style.width = "100%";
+    inner.style.minWidth = "0px";
+    inner.style.height = "200px";
+    inner.style.display = "block";
+
+    var outer = exports.createElement("ace_outer");
+    var style = outer.style;
+
+    style.position = "absolute";
+    style.left = "-10000px";
+    style.overflow = "hidden";
+    style.width = "200px";
+    style.minWidth = "0px";
+    style.height = "150px";
+    style.display = "block";
+
+    outer.appendChild(inner);
+
+    var body = document.documentElement;
+    body.appendChild(outer);
+
+    var noScrollbar = inner.offsetWidth;
+
+    style.overflow = "scroll";
+    var withScrollbar = inner.offsetWidth;
+
+    if (noScrollbar == withScrollbar) {
+        withScrollbar = outer.clientWidth;
+    }
+
+    body.removeChild(outer);
+
+    return noScrollbar-withScrollbar;
+};
+exports.setInnerHtml = function(el, innerHtml) {
+    var element = el.cloneNode(false);//document.createElement("div");
+    element.innerHTML = innerHtml;
+    el.parentNode.replaceChild(element, el);
+    return element;
+};
+
+if ("textContent" in document.documentElement) {
+    exports.setInnerText = function(el, innerText) {
+        el.textContent = innerText;
+    };
+
+    exports.getInnerText = function(el) {
+        return el.textContent;
+    };
+}
+else {
+    exports.setInnerText = function(el, innerText) {
+        el.innerText = innerText;
+    };
+
+    exports.getInnerText = function(el) {
+        return el.innerText;
+    };
+}
+
+exports.getParentWindow = function(document) {
+    return document.defaultView || document.parentWindow;
+};
+
+});
+
+define("ace/lib/oop",["require","exports","module"], function(require, exports, module) {
+"use strict";
+
+exports.inherits = function(ctor, superCtor) {
+    ctor.super_ = superCtor;
+    ctor.prototype = Object.create(superCtor.prototype, {
+        constructor: {
+            value: ctor,
+            enumerable: false,
+            writable: true,
+            configurable: true
+        }
+    });
+};
+
+exports.mixin = function(obj, mixin) {
+    for (var key in mixin) {
+        obj[key] = mixin[key];
+    }
+    return obj;
+};
+
+exports.implement = function(proto, mixin) {
+    exports.mixin(proto, mixin);
+};
+
+});
+
+define("ace/lib/keys",["require","exports","module","ace/lib/fixoldbrowsers","ace/lib/oop"], function(require, exports, module) {
+"use strict";
+
+require("./fixoldbrowsers");
+
+var oop = require("./oop");
+var Keys = (function() {
+    var ret = {
+        MODIFIER_KEYS: {
+            16: 'Shift', 17: 'Ctrl', 18: 'Alt', 224: 'Meta'
+        },
+
+        KEY_MODS: {
+            "ctrl": 1, "alt": 2, "option" : 2, "shift": 4,
+            "super": 8, "meta": 8, "command": 8, "cmd": 8
+        },
+
+        FUNCTION_KEYS : {
+            8  : "Backspace",
+            9  : "Tab",
+            13 : "Return",
+            19 : "Pause",
+            27 : "Esc",
+            32 : "Space",
+            33 : "PageUp",
+            34 : "PageDown",
+            35 : "End",
+            36 : "Home",
+            37 : "Left",
+            38 : "Up",
+            39 : "Right",
+            40 : "Down",
+            44 : "Print",
+            45 : "Insert",
+            46 : "Delete",
+            96 : "Numpad0",
+            97 : "Numpad1",
+            98 : "Numpad2",
+            99 : "Numpad3",
+            100: "Numpad4",
+            101: "Numpad5",
+            102: "Numpad6",
+            103: "Numpad7",
+            104: "Numpad8",
+            105: "Numpad9",
+            '-13': "NumpadEnter",
+            112: "F1",
+            113: "F2",
+            114: "F3",
+            115: "F4",
+            116: "F5",
+            117: "F6",
+            118: "F7",
+            119: "F8",
+            120: "F9",
+            121: "F10",
+            122: "F11",
+            123: "F12",
+            144: "Numlock",
+            145: "Scrolllock"
+        },
+
+        PRINTABLE_KEYS: {
+           32: ' ',  48: '0',  49: '1',  50: '2',  51: '3',  52: '4', 53:  '5',
+           54: '6',  55: '7',  56: '8',  57: '9',  59: ';',  61: '=', 65:  'a',
+           66: 'b',  67: 'c',  68: 'd',  69: 'e',  70: 'f',  71: 'g', 72:  'h',
+           73: 'i',  74: 'j',  75: 'k',  76: 'l',  77: 'm',  78: 'n', 79:  'o',
+           80: 'p',  81: 'q',  82: 'r',  83: 's',  84: 't',  85: 'u', 86:  'v',
+           87: 'w',  88: 'x',  89: 'y',  90: 'z', 107: '+', 109: '-', 110: '.',
+          187: '=', 188: ',', 189: '-', 190: '.', 191: '/', 192: '`', 219: '[',
+          220: '\\',221: ']', 222: '\''
+        }
+    };
+    var name, i;
+    for (i in ret.FUNCTION_KEYS) {
+        name = ret.FUNCTION_KEYS[i].toLowerCase();
+        ret[name] = parseInt(i, 10);
+    }
+    for (i in ret.PRINTABLE_KEYS) {
+        name = ret.PRINTABLE_KEYS[i].toLowerCase();
+        ret[name] = parseInt(i, 10);
+    }
+    oop.mixin(ret, ret.MODIFIER_KEYS);
+    oop.mixin(ret, ret.PRINTABLE_KEYS);
+    oop.mixin(ret, ret.FUNCTION_KEYS);
+    ret.enter = ret["return"];
+    ret.escape = ret.esc;
+    ret.del = ret["delete"];
+    ret[173] = '-';
+
+    (function() {
+        var mods = ["cmd", "ctrl", "alt", "shift"];
+        for (var i = Math.pow(2, mods.length); i--;) {
+            ret.KEY_MODS[i] = mods.filter(function(x) {
+                return i & ret.KEY_MODS[x];
+            }).join("-") + "-";
+        }
+    })();
+
+    ret.KEY_MODS[0] = "";
+    ret.KEY_MODS[-1] = "input";
+
+    return ret;
+})();
+oop.mixin(exports, Keys);
+
+exports.keyCodeToString = function(keyCode) {
+    var keyString = Keys[keyCode];
+    if (typeof keyString != "string")
+        keyString = String.fromCharCode(keyCode);
+    return keyString.toLowerCase();
+};
+
+});
+
+define("ace/lib/useragent",["require","exports","module"], function(require, exports, module) {
+"use strict";
+exports.OS = {
+    LINUX: "LINUX",
+    MAC: "MAC",
+    WINDOWS: "WINDOWS"
+};
+exports.getOS = function() {
+    if (exports.isMac) {
+        return exports.OS.MAC;
+    } else if (exports.isLinux) {
+        return exports.OS.LINUX;
+    } else {
+        return exports.OS.WINDOWS;
+    }
+};
+if (typeof navigator != "object")
+    return;
+
+var os = (navigator.platform.match(/mac|win|linux/i) || ["other"])[0].toLowerCase();
+var ua = navigator.userAgent;
+exports.isWin = (os == "win");
+exports.isMac = (os == "mac");
+exports.isLinux = (os == "linux");
+exports.isIE =
+    (navigator.appName == "Microsoft Internet Explorer" || navigator.appName.indexOf("MSAppHost") >= 0)
+    ? parseFloat((ua.match(/(?:MSIE |Trident\/[0-9]+[\.0-9]+;.*rv:)([0-9]+[\.0-9]+)/)||[])[1])
+    : parseFloat((ua.match(/(?:Trident\/[0-9]+[\.0-9]+;.*rv:)([0-9]+[\.0-9]+)/)||[])[1]); // for ie
+
+exports.isOldIE = exports.isIE && exports.isIE < 9;
+exports.isGecko = exports.isMozilla = (window.Controllers || window.controllers) && window.navigator.product === "Gecko";
+exports.isOldGecko = exports.isGecko && parseInt((ua.match(/rv\:(\d+)/)||[])[1], 10) < 4;
+exports.isOpera = window.opera && Object.prototype.toString.call(window.opera) == "[object Opera]";
+exports.isWebKit = parseFloat(ua.split("WebKit/")[1]) || undefined;
+
+exports.isChrome = parseFloat(ua.split(" Chrome/")[1]) || undefined;
+
+exports.isAIR = ua.indexOf("AdobeAIR") >= 0;
+
+exports.isIPad = ua.indexOf("iPad") >= 0;
+
+exports.isTouchPad = ua.indexOf("TouchPad") >= 0;
+
+exports.isChromeOS = ua.indexOf(" CrOS ") >= 0;
+
+});
+
+define("ace/lib/event",["require","exports","module","ace/lib/keys","ace/lib/useragent"], function(require, exports, module) {
+"use strict";
+
+var keys = require("./keys");
+var useragent = require("./useragent");
+
+exports.addListener = function(elem, type, callback) {
+    if (elem.addEventListener) {
+        return elem.addEventListener(type, callback, false);
+    }
+    if (elem.attachEvent) {
+        var wrapper = function() {
+            callback.call(elem, window.event);
+        };
+        callback._wrapper = wrapper;
+        elem.attachEvent("on" + type, wrapper);
+    }
+};
+
+exports.removeListener = function(elem, type, callback) {
+    if (elem.removeEventListener) {
+        return elem.removeEventListener(type, callback, false);
+    }
+    if (elem.detachEvent) {
+        elem.detachEvent("on" + type, callback._wrapper || callback);
+    }
+};
+exports.stopEvent = function(e) {
+    exports.stopPropagation(e);
+    exports.preventDefault(e);
+    return false;
+};
+
+exports.stopPropagation = function(e) {
+    if (e.stopPropagation)
+        e.stopPropagation();
+    else
+        e.cancelBubble = true;
+};
+
+exports.preventDefault = function(e) {
+    if (e.preventDefault)
+        e.preventDefault();
+    else
+        e.returnValue = false;
+};
+exports.getButton = function(e) {
+    if (e.type == "dblclick")
+        return 0;
+    if (e.type == "contextmenu" || (useragent.isMac && (e.ctrlKey && !e.altKey && !e.shiftKey)))
+        return 2;
+    if (e.preventDefault) {
+        return e.button;
+    }
+    else {
+        return {1:0, 2:2, 4:1}[e.button];
+    }
+};
+
+exports.capture = function(el, eventHandler, releaseCaptureHandler) {
+    function onMouseUp(e) {
+        eventHandler && eventHandler(e);
+        releaseCaptureHandler && releaseCaptureHandler(e);
+
+        exports.removeListener(document, "mousemove", eventHandler, true);
+        exports.removeListener(document, "mouseup", onMouseUp, true);
+        exports.removeListener(document, "dragstart", onMouseUp, true);
+    }
+
+    exports.addListener(document, "mousemove", eventHandler, true);
+    exports.addListener(document, "mouseup", onMouseUp, true);
+    exports.addListener(document, "dragstart", onMouseUp, true);
+
+    return onMouseUp;
+};
+
+exports.addMouseWheelListener = function(el, callback) {
+    if ("onmousewheel" in el) {
+        exports.addListener(el, "mousewheel", function(e) {
+            var factor = 8;
+            if (e.wheelDeltaX !== undefined) {
+                e.wheelX = -e.wheelDeltaX / factor;
+                e.wheelY = -e.wheelDeltaY / factor;
+            } else {
+                e.wheelX = 0;
+                e.wheelY = -e.wheelDelta / factor;
+            }
+            callback(e);
+        });
+    } else if ("onwheel" in el) {
+        exports.addListener(el, "wheel",  function(e) {
+            var factor = 0.35;
+            switch (e.deltaMode) {
+                case e.DOM_DELTA_PIXEL:
+                    e.wheelX = e.deltaX * factor || 0;
+                    e.wheelY = e.deltaY * factor || 0;
+                    break;
+                case e.DOM_DELTA_LINE:
+                case e.DOM_DELTA_PAGE:
+                    e.wheelX = (e.deltaX || 0) * 5;
+                    e.wheelY = (e.deltaY || 0) * 5;
+                    break;
+            }
+
+            callback(e);
+        });
+    } else {
+        exports.addListener(el, "DOMMouseScroll", function(e) {
+            if (e.axis && e.axis == e.HORIZONTAL_AXIS) {
+                e.wheelX = (e.detail || 0) * 5;
+                e.wheelY = 0;
+            } else {
+                e.wheelX = 0;
+                e.wheelY = (e.detail || 0) * 5;
+            }
+            callback(e);
+        });
+    }
+};
+
+exports.addMultiMouseDownListener = function(el, timeouts, eventHandler, callbackName) {
+    var clicks = 0;
+    var startX, startY, timer;
+    var eventNames = {
+        2: "dblclick",
+        3: "tripleclick",
+        4: "quadclick"
+    };
+
+    exports.addListener(el, "mousedown", function(e) {
+        if (exports.getButton(e) !== 0) {
+            clicks = 0;
+        } else if (e.detail > 1) {
+            clicks++;
+            if (clicks > 4)
+                clicks = 1;
+        } else {
+            clicks = 1;
+        }
+        if (useragent.isIE) {
+            var isNewClick = Math.abs(e.clientX - startX) > 5 || Math.abs(e.clientY - startY) > 5;
+            if (!timer || isNewClick)
+                clicks = 1;
+            if (timer)
+                clearTimeout(timer);
+            timer = setTimeout(function() {timer = null}, timeouts[clicks - 1] || 600);
+
+            if (clicks == 1) {
+                startX = e.clientX;
+                startY = e.clientY;
+            }
+        }
+
+        e._clicks = clicks;
+
+        eventHandler[callbackName]("mousedown", e);
+
+        if (clicks > 4)
+            clicks = 0;
+        else if (clicks > 1)
+            return eventHandler[callbackName](eventNames[clicks], e);
+    });
+
+    if (useragent.isOldIE) {
+        exports.addListener(el, "dblclick", function(e) {
+            clicks = 2;
+            if (timer)
+                clearTimeout(timer);
+            timer = setTimeout(function() {timer = null}, timeouts[clicks - 1] || 600);
+            eventHandler[callbackName]("mousedown", e);
+            eventHandler[callbackName](eventNames[clicks], e);
+        });
+    }
+};
+
+var getModifierHash = useragent.isMac && useragent.isOpera && !("KeyboardEvent" in window)
+    ? function(e) {
+        return 0 | (e.metaKey ? 1 : 0) | (e.altKey ? 2 : 0) | (e.shiftKey ? 4 : 0) | (e.ctrlKey ? 8 : 0);
+    }
+    : function(e) {
+        return 0 | (e.ctrlKey ? 1 : 0) | (e.altKey ? 2 : 0) | (e.shiftKey ? 4 : 0) | (e.metaKey ? 8 : 0);
+    };
+
+exports.getModifierString = function(e) {
+    return keys.KEY_MODS[getModifierHash(e)];
+};
+
+function normalizeCommandKeys(callback, e, keyCode) {
+    var hashId = getModifierHash(e);
+
+    if (!useragent.isMac && pressedKeys) {
+        if (pressedKeys[91] || pressedKeys[92])
+            hashId |= 8;
+        if (pressedKeys.altGr) {
+            if ((3 & hashId) != 3)
+                pressedKeys.altGr = 0;
+            else
+                return;
+        }
+        if (keyCode === 18 || keyCode === 17) {
+            var location = "location" in e ? e.location : e.keyLocation;
+            if (keyCode === 17 && location === 1) {
+                ts = e.timeStamp;
+            } else if (keyCode === 18 && hashId === 3 && location === 2) {
+                var dt = -ts;
+                ts = e.timeStamp;
+                dt += ts;
+                if (dt < 3)
+                    pressedKeys.altGr = true;
+            }
+        }
+    }
+
+    if (keyCode in keys.MODIFIER_KEYS) {
+        switch (keys.MODIFIER_KEYS[keyCode]) {
+            case "Alt":
+                hashId = 2;
+                break;
+            case "Shift":
+                hashId = 4;
+                break;
+            case "Ctrl":
+                hashId = 1;
+                break;
+            default:
+                hashId = 8;
+                break;
+        }
+        keyCode = -1;
+    }
+
+    if (hashId & 8 && (keyCode === 91 || keyCode === 93)) {
+        keyCode = -1;
+    }
+
+    if (!hashId && keyCode === 13) {
+        var location = "location" in e ? e.location : e.keyLocation;
+        if (location === 3) {
+            callback(e, hashId, -keyCode);
+            if (e.defaultPrevented)
+                return;
+        }
+    }
+
+    if (useragent.isChromeOS && hashId & 8) {
+        callback(e, hashId, keyCode);
+        if (e.defaultPrevented)
+            return;
+        else
+            hashId &= ~8;
+    }
+    if (!hashId && !(keyCode in keys.FUNCTION_KEYS) && !(keyCode in keys.PRINTABLE_KEYS)) {
+        return false;
+    }
+
+    return callback(e, hashId, keyCode);
+}
+
+var pressedKeys = null;
+var ts = 0;
+exports.addCommandKeyListener = function(el, callback) {
+    var addListener = exports.addListener;
+    if (useragent.isOldGecko || (useragent.isOpera && !("KeyboardEvent" in window))) {
+        var lastKeyDownKeyCode = null;
+        addListener(el, "keydown", function(e) {
+            lastKeyDownKeyCode = e.keyCode;
+        });
+        addListener(el, "keypress", function(e) {
+            return normalizeCommandKeys(callback, e, lastKeyDownKeyCode);
+        });
+    } else {
+        var lastDefaultPrevented = null;
+
+        addListener(el, "keydown", function(e) {
+            pressedKeys[e.keyCode] = true;
+            var result = normalizeCommandKeys(callback, e, e.keyCode);
+            lastDefaultPrevented = e.defaultPrevented;
+            return result;
+        });
+
+        addListener(el, "keypress", function(e) {
+            if (lastDefaultPrevented && (e.ctrlKey || e.altKey || e.shiftKey || e.metaKey)) {
+                exports.stopEvent(e);
+                lastDefaultPrevented = null;
+            }
+        });
+
+        addListener(el, "keyup", function(e) {
+            pressedKeys[e.keyCode] = null;
+        });
+
+        if (!pressedKeys) {
+            pressedKeys = Object.create(null);
+            addListener(window, "focus", function(e) {
+                pressedKeys = Object.create(null);
+            });
+        }
+    }
+};
+
+if (window.postMessage && !useragent.isOldIE) {
+    var postMessageId = 1;
+    exports.nextTick = function(callback, win) {
+        win = win || window;
+        var messageName = "zero-timeout-message-" + postMessageId;
+        exports.addListener(win, "message", function listener(e) {
+            if (e.data == messageName) {
+                exports.stopPropagation(e);
+                exports.removeListener(win, "message", listener);
+                callback();
+            }
+        });
+        win.postMessage(messageName, "*");
+    };
+}
+
+
+exports.nextFrame = window.requestAnimationFrame ||
+    window.mozRequestAnimationFrame ||
+    window.webkitRequestAnimationFrame ||
+    window.msRequestAnimationFrame ||
+    window.oRequestAnimationFrame;
+
+if (exports.nextFrame)
+    exports.nextFrame = exports.nextFrame.bind(window);
+else
+    exports.nextFrame = function(callback) {
+        setTimeout(callback, 17);
+    };
+});
+
+define("ace/lib/lang",["require","exports","module"], function(require, exports, module) {
+"use strict";
+
+exports.last = function(a) {
+    return a[a.length - 1];
+};
+
+exports.stringReverse = function(string) {
+    return string.split("").reverse().join("");
+};
+
+exports.stringRepeat = function (string, count) {
+    var result = '';
+    while (count > 0) {
+        if (count & 1)
+            result += string;
+
+        if (count >>= 1)
+            string += string;
+    }
+    return result;
+};
+
+var trimBeginRegexp = /^\s\s*/;
+var trimEndRegexp = /\s\s*$/;
+
+exports.stringTrimLeft = function (string) {
+    return string.replace(trimBeginRegexp, '');
+};
+
+exports.stringTrimRight = function (string) {
+    return string.replace(trimEndRegexp, '');
+};
+
+exports.copyObject = function(obj) {
+    var copy = {};
+    for (var key in obj) {
+        copy[key] = obj[key];
+    }
+    return copy;
+};
+
+exports.copyArray = function(array){
+    var copy = [];
+    for (var i=0, l=array.length; i<l; i++) {
+        if (array[i] && typeof array[i] == "object")
+            copy[i] = this.copyObject( array[i] );
+        else
+            copy[i] = array[i];
+    }
+    return copy;
+};
+
+exports.deepCopy = function (obj) {
+    if (typeof obj !== "object" || !obj)
+        return obj;
+    var cons = obj.constructor;
+    if (cons === RegExp)
+        return obj;
+
+    var copy = cons();
+    for (var key in obj) {
+        if (typeof obj[key] === "object") {
+            copy[key] = exports.deepCopy(obj[key]);
+        } else {
+            copy[key] = obj[key];
+        }
+    }
+    return copy;
+};
+
+exports.arrayToMap = function(arr) {
+    var map = {};
+    for (var i=0; i<arr.length; i++) {
+        map[arr[i]] = 1;
+    }
+    return map;
+
+};
+
+exports.createMap = function(props) {
+    var map = Object.create(null);
+    for (var i in props) {
+        map[i] = props[i];
+    }
+    return map;
+};
+exports.arrayRemove = function(array, value) {
+  for (var i = 0; i <= array.length; i++) {
+    if (value === array[i]) {
+      array.splice(i, 1);
+    }
+  }
+};
+
+exports.escapeRegExp = function(str) {
+    return str.replace(/([.*+?^${}()|[\]\/\\])/g, '\\$1');
+};
+
+exports.escapeHTML = function(str) {
+    return str.replace(/&/g, "&#38;").replace(/"/g, "&#34;").replace(/'/g, "&#39;").replace(/</g, "&#60;");
+};
+
+exports.getMatchOffsets = function(string, regExp) {
+    var matches = [];
+
+    string.replace(regExp, function(str) {
+        matches.push({
+            offset: arguments[arguments.length-2],
+            length: str.length
+        });
+    });
+
+    return matches;
+};
+exports.deferredCall = function(fcn) {
+    var timer = null;
+    var callback = function() {
+        timer = null;
+        fcn();
+    };
+
+    var deferred = function(timeout) {
+        deferred.cancel();
+        timer = setTimeout(callback, timeout || 0);
+        return deferred;
+    };
+
+    deferred.schedule = deferred;
+
+    deferred.call = function() {
+        this.cancel();
+        fcn();
+        return deferred;
+    };
+
+    deferred.cancel = function() {
+        clearTimeout(timer);
+        timer = null;
+        return deferred;
+    };
+
+    deferred.isPending = function() {
+        return timer;
+    };
+
+    return deferred;
+};
+
+
+exports.delayedCall = function(fcn, defaultTimeout) {
+    var timer = null;
+    var callback = function() {
+        timer = null;
+        fcn();
+    };
+
+    var _self = function(timeout) {
+        if (timer == null)
+            timer = setTimeout(callback, timeout || defaultTimeout);
+    };
+
+    _self.delay = function(timeout) {
+        timer && clearTimeout(timer);
+        timer = setTimeout(callback, timeout || defaultTimeout);
+    };
+    _self.schedule = _self;
+
+    _self.call = function() {
+        this.cancel();
+        fcn();
+    };
+
+    _self.cancel = function() {
+        timer && clearTimeout(timer);
+        timer = null;
+    };
+
+    _self.isPending = function() {
+        return timer;
+    };
+
+    return _self;
+};
+});
+
+define("ace/keyboard/textinput",["require","exports","module","ace/lib/event","ace/lib/useragent","ace/lib/dom","ace/lib/lang"], function(require, exports, module) {
+"use strict";
+
+var event = require("../lib/event");
+var useragent = require("../lib/useragent");
+var dom = require("../lib/dom");
+var lang = require("../lib/lang");
+var BROKEN_SETDATA = useragent.isChrome < 18;
+var USE_IE_MIME_TYPE =  useragent.isIE;
+
+var TextInput = function(parentNode, host) {
+    var text = dom.createElement("textarea");
+    text.className = "ace_text-input";
+
+    if (useragent.isTouchPad)
+        text.setAttribute("x-palm-disable-auto-cap", true);
+
+    text.setAttribute("wrap", "off");
+    text.setAttribute("autocorrect", "off");
+    text.setAttribute("autocapitalize", "off");
+    text.setAttribute("spellcheck", false);
+
+    text.style.opacity = "0";
+    if (useragent.isOldIE) text.style.top = "-100px";
+    parentNode.insertBefore(text, parentNode.firstChild);
+
+    var PLACEHOLDER = "\x01\x01";
+
+    var copied = false;
+    var pasted = false;
+    var inComposition = false;
+    var tempStyle = '';
+    var isSelectionEmpty = true;
+    try { var isFocused = document.activeElement === text; } catch(e) {}
+
+    event.addListener(text, "blur", function(e) {
+        host.onBlur(e);
+        isFocused = false;
+    });
+    event.addListener(text, "focus", function(e) {
+        isFocused = true;
+        host.onFocus(e);
+        resetSelection();
+    });
+    this.focus = function() {
+        text.style.position = "fixed";
+        text.style.top = "-10000000px";
+        text.focus();
+        setTimeout(function() {
+            text.style.position = "";
+        }, 0);
+    };
+    this.blur = function() { text.blur(); };
+    this.isFocused = function() {
+        return isFocused;
+    };
+    var syncSelection = lang.delayedCall(function() {
+        isFocused && resetSelection(isSelectionEmpty);
+    });
+    var syncValue = lang.delayedCall(function() {
+         if (!inComposition) {
+            text.value = PLACEHOLDER;
+            isFocused && resetSelection();
+         }
+    });
+
+    function resetSelection(isEmpty) {
+        if (inComposition)
+            return;
+        if (inputHandler) {
+            selectionStart = 0;
+            selectionEnd = isEmpty ? 0 : text.value.length - 1;
+        } else {
+            var selectionStart = isEmpty ? 2 : 1;
+            var selectionEnd = 2;
+        }
+        try {
+            text.setSelectionRange(selectionStart, selectionEnd);
+        } catch(e){}
+    }
+
+    function resetValue() {
+        if (inComposition)
+            return;
+        text.value = PLACEHOLDER;
+        if (useragent.isWebKit)
+            syncValue.schedule();
+    }
+
+    useragent.isWebKit || host.addEventListener('changeSelection', function() {
+        if (host.selection.isEmpty() != isSelectionEmpty) {
+            isSelectionEmpty = !isSelectionEmpty;
+            syncSelection.schedule();
+        }
+    });
+
+    resetValue();
+    if (isFocused)
+        host.onFocus();
+
+
+    var isAllSelected = function(text) {
+        return text.selectionStart === 0 && text.selectionEnd === text.value.length;
+    };
+    if (!text.setSelectionRange && text.createTextRange) {
+        text.setSelectionRange = function(selectionStart, selectionEnd) {
+            var range = this.createTextRange();
+            range.collapse(true);
+            range.moveStart('character', selectionStart);
+            range.moveEnd('character', selectionEnd);
+            range.select();
+        };
+        isAllSelected = function(text) {
+            try {
+                var range = text.ownerDocument.selection.createRange();
+            }catch(e) {}
+            if (!range || range.parentElement() != text) return false;
+                return range.text == text.value;
+        }
+    }
+    if (useragent.isOldIE) {
+        var inPropertyChange = false;
+        var onPropertyChange = function(e){
+            if (inPropertyChange)
+                return;
+            var data = text.value;
+            if (inComposition || !data || data == PLACEHOLDER)
+                return;
+            if (e && data == PLACEHOLDER[0])
+                return syncProperty.schedule();
+
+            sendText(data);
+            inPropertyChange = true;
+            resetValue();
+            inPropertyChange = false;
+        };
+        var syncProperty = lang.delayedCall(onPropertyChange);
+        event.addListener(text, "propertychange", onPropertyChange);
+
+        var keytable = { 13:1, 27:1 };
+        event.addListener(text, "keyup", function (e) {
+            if (inComposition && (!text.value || keytable[e.keyCode]))
+                setTimeout(onCompositionEnd, 0);
+            if ((text.value.charCodeAt(0)||0) < 129) {
+                return syncProperty.call();
+            }
+            inComposition ? onCompositionUpdate() : onCompositionStart();
+        });
+        event.addListener(text, "keydown", function (e) {
+            syncProperty.schedule(50);
+        });
+    }
+
+    var onSelect = function(e) {
+        if (copied) {
+            copied = false;
+        } else if (isAllSelected(text)) {
+            host.selectAll();
+            resetSelection();
+        } else if (inputHandler) {
+            resetSelection(host.selection.isEmpty());
+        }
+    };
+
+    var inputHandler = null;
+    this.setInputHandler = function(cb) {inputHandler = cb};
+    this.getInputHandler = function() {return inputHandler};
+    var afterContextMenu = false;
+
+    var sendText = function(data) {
+        if (inputHandler) {
+            data = inputHandler(data);
+            inputHandler = null;
+        }
+        if (pasted) {
+            resetSelection();
+            if (data)
+                host.onPaste(data);
+            pasted = false;
+        } else if (data == PLACEHOLDER.charAt(0)) {
+            if (afterContextMenu)
+                host.execCommand("del", {source: "ace"});
+            else // some versions of android do not fire keydown when pressing backspace
+                host.execCommand("backspace", {source: "ace"});
+        } else {
+            if (data.substring(0, 2) == PLACEHOLDER)
+                data = data.substr(2);
+            else if (data.charAt(0) == PLACEHOLDER.charAt(0))
+                data = data.substr(1);
+            else if (data.charAt(data.length - 1) == PLACEHOLDER.charAt(0))
+                data = data.slice(0, -1);
+            if (data.charAt(data.length - 1) == PLACEHOLDER.charAt(0))
+                data = data.slice(0, -1);
+
+            if (data)
+                host.onTextInput(data);
+        }
+        if (afterContextMenu)
+            afterContextMenu = false;
+    };
+    var onInput = function(e) {
+        if (inComposition)
+            return;
+        var data = text.value;
+        sendText(data);
+        resetValue();
+    };
+
+    var handleClipboardData = function(e, data) {
+        var clipboardData = e.clipboardData || window.clipboardData;
+        if (!clipboardData || BROKEN_SETDATA)
+            return;
+        var mime = USE_IE_MIME_TYPE ? "Text" : "text/plain";
+        if (data) {
+            return clipboardData.setData(mime, data) !== false;
+        } else {
+            return clipboardData.getData(mime);
+        }
+    };
+
+    var doCopy = function(e, isCut) {
+        var data = host.getCopyText();
+        if (!data)
+            return event.preventDefault(e);
+
+        if (handleClipboardData(e, data)) {
+            isCut ? host.onCut() : host.onCopy();
+            event.preventDefault(e);
+        } else {
+            copied = true;
+            text.value = data;
+            text.select();
+            setTimeout(function(){
+                copied = false;
+                resetValue();
+                resetSelection();
+                isCut ? host.onCut() : host.onCopy();
+            });
+        }
+    };
+
+    var onCut = function(e) {
+        doCopy(e, true);
+    };
+
+    var onCopy = function(e) {
+        doCopy(e, false);
+    };
+
+    var onPaste = function(e) {
+        var data = handleClipboardData(e);
+        if (typeof data == "string") {
+            if (data)
+                host.onPaste(data);
+            if (useragent.isIE)
+                setTimeout(resetSelection);
+            event.preventDefault(e);
+        }
+        else {
+            text.value = "";
+            pasted = true;
+        }
+    };
+
+    event.addCommandKeyListener(text, host.onCommandKey.bind(host));
+
+    event.addListener(text, "select", onSelect);
+
+    event.addListener(text, "input", onInput);
+
+    event.addListener(text, "cut", onCut);
+    event.addListener(text, "copy", onCopy);
+    event.addListener(text, "paste", onPaste);
+    if (!('oncut' in text) || !('oncopy' in text) || !('onpaste' in text)){
+        event.addListener(parentNode, "keydown", function(e) {
+            if ((useragent.isMac && !e.metaKey) || !e.ctrlKey)
+                return;
+
+            switch (e.keyCode) {
+                case 67:
+                    onCopy(e);
+                    break;
+                case 86:
+                    onPaste(e);
+                    break;
+                case 88:
+                    onCut(e);
+                    break;
+            }
+        });
+    }
+    var onCompositionStart = function(e) {
+        if (inComposition || !host.onCompositionStart || host.$readOnly)
+            return;
+        inComposition = {};
+        host.onCompositionStart();
+        setTimeout(onCompositionUpdate, 0);
+        host.on("mousedown", onCompositionEnd);
+        if (!host.selection.isEmpty()) {
+            host.insert("");
+            host.session.markUndoGroup();
+            host.selection.clearSelection();
+        }
+        host.session.markUndoGroup();
+    };
+
+    var onCompositionUpdate = function() {
+        if (!inComposition || !host.onCompositionUpdate || host.$readOnly)
+            return;
+        var val = text.value.replace(/\x01/g, "");
+        if (inComposition.lastValue === val) return;
+
+        host.onCompositionUpdate(val);
+        if (inComposition.lastValue)
+            host.undo();
+        inComposition.lastValue = val;
+        if (inComposition.lastValue) {
+            var r = host.selection.getRange();
+            host.insert(inComposition.lastValue);
+            host.session.markUndoGroup();
+            inComposition.range = host.selection.getRange();
+            host.selection.setRange(r);
+            host.selection.clearSelection();
+        }
+    };
+
+    var onCompositionEnd = function(e) {
+        if (!host.onCompositionEnd || host.$readOnly) return;
+        var c = inComposition;
+        inComposition = false;
+        var timer = setTimeout(function() {
+            timer = null;
+            var str = text.value.replace(/\x01/g, "");
+            if (inComposition)
+                return;
+            else if (str == c.lastValue)
+                resetValue();
+            else if (!c.lastValue && str) {
+                resetValue();
+                sendText(str);
+            }
+        });
+        inputHandler = function compositionInputHandler(str) {
+            if (timer)
+                clearTimeout(timer);
+            str = str.replace(/\x01/g, "");
+            if (str == c.lastValue)
+                return "";
+            if (c.lastValue && timer)
+                host.undo();
+            return str;
+        };
+        host.onCompositionEnd();
+        host.removeListener("mousedown", onCompositionEnd);
+        if (e.type == "compositionend" && c.range) {
+            host.selection.setRange(c.range);
+        }
+    };
+
+
+
+    var syncComposition = lang.delayedCall(onCompositionUpdate, 50);
+
+    event.addListener(text, "compositionstart", onCompositionStart);
+    if (useragent.isGecko) {
+        event.addListener(text, "text", function(){syncComposition.schedule()});
+    } else {
+        event.addListener(text, "keyup", function(){syncComposition.schedule()});
+        event.addListener(text, "keydown", function(){syncComposition.schedule()});
+    }
+    event.addListener(text, "compositionend", onCompositionEnd);
+
+    this.getElement = function() {
+        return text;
+    };
+
+    this.setReadOnly = function(readOnly) {
+       text.readOnly = readOnly;
+    };
+
+    this.onContextMenu = function(e) {
+        afterContextMenu = true;
+        resetSelection(host.selection.isEmpty());
+        host._emit("nativecontextmenu", {target: host, domEvent: e});
+        this.moveToMouse(e, true);
+    };
+
+    this.moveToMouse = function(e, bringToFront) {
+        if (!bringToFront && useragent.isOldIE)
+            return;
+        if (!tempStyle)
+            tempStyle = text.style.cssText;
+        text.style.cssText = (bringToFront ? "z-index:100000;" : "")
+            + "height:" + text.style.height + ";"
+            + (useragent.isIE ? "opacity:0.1;" : "");
+
+        var rect = host.container.getBoundingClientRect();
+        var style = dom.computedStyle(host.container);
+        var top = rect.top + (parseInt(style.borderTopWidth) || 0);
+        var left = rect.left + (parseInt(rect.borderLeftWidth) || 0);
+        var maxTop = rect.bottom - top - text.clientHeight -2;
+        var move = function(e) {
+            text.style.left = e.clientX - left - 2 + "px";
+            text.style.top = Math.min(e.clientY - top - 2, maxTop) + "px";
+        };
+        move(e);
+
+        if (e.type != "mousedown")
+            return;
+
+        if (host.renderer.$keepTextAreaAtCursor)
+            host.renderer.$keepTextAreaAtCursor = null;
+        if (useragent.isWin && !useragent.isOldIE)
+            event.capture(host.container, move, onContextMenuClose);
+    };
+
+    this.onContextMenuClose = onContextMenuClose;
+    var closeTimeout;
+    function onContextMenuClose() {
+        clearTimeout(closeTimeout)
+        closeTimeout = setTimeout(function () {
+            if (tempStyle) {
+                text.style.cssText = tempStyle;
+                tempStyle = '';
+            }
+            if (host.renderer.$keepTextAreaAtCursor == null) {
+                host.renderer.$keepTextAreaAtCursor = true;
+                host.renderer.$moveTextAreaToCursor();
+            }
+        }, useragent.isOldIE ? 200 : 0);
+    }
+
+    var onContextMenu = function(e) {
+        host.textInput.onContextMenu(e);
+        onContextMenuClose();
+    };
+    event.addListener(host.renderer.scroller, "contextmenu", onContextMenu);
+    event.addListener(text, "contextmenu", onContextMenu);
+};
+
+exports.TextInput = TextInput;
+});
+
+define("ace/mouse/default_handlers",["require","exports","module","ace/lib/dom","ace/lib/event","ace/lib/useragent"], function(require, exports, module) {
+"use strict";
+
+var dom = require("../lib/dom");
+var event = require("../lib/event");
+var useragent = require("../lib/useragent");
+
+var DRAG_OFFSET = 0; // pixels
+
+function DefaultHandlers(mouseHandler) {
+    mouseHandler.$clickSelection = null;
+
+    var editor = mouseHandler.editor;
+    editor.setDefaultHandler("mousedown", this.onMouseDown.bind(mouseHandler));
+    editor.setDefaultHandler("dblclick", this.onDoubleClick.bind(mouseHandler));
+    editor.setDefaultHandler("tripleclick", this.onTripleClick.bind(mouseHandler));
+    editor.setDefaultHandler("quadclick", this.onQuadClick.bind(mouseHandler));
+    editor.setDefaultHandler("mousewheel", this.onMouseWheel.bind(mouseHandler));
+
+    var exports = ["select", "startSelect", "selectEnd", "selectAllEnd", "selectByWordsEnd",
+        "selectByLinesEnd", "dragWait", "dragWaitEnd", "focusWait"];
+
+    exports.forEach(function(x) {
+        mouseHandler[x] = this[x];
+    }, this);
+
+    mouseHandler.selectByLines = this.extendSelectionBy.bind(mouseHandler, "getLineRange");
+    mouseHandler.selectByWords = this.extendSelectionBy.bind(mouseHandler, "getWordRange");
+}
+
+(function() {
+
+    this.onMouseDown = function(ev) {
+        var inSelection = ev.inSelection();
+        var pos = ev.getDocumentPosition();
+        this.mousedownEvent = ev;
+        var editor = this.editor;
+
+        var button = ev.getButton();
+        if (button !== 0) {
+            var selectionRange = editor.getSelectionRange();
+            var selectionEmpty = selectionRange.isEmpty();
+            editor.$blockScrolling++;
+            if (selectionEmpty)
+                editor.selection.moveToPosition(pos);
+            editor.$blockScrolling--;
+            editor.textInput.onContextMenu(ev.domEvent);
+            return; // stopping event here breaks contextmenu on ff mac
+        }
+
+        this.mousedownEvent.time = Date.now();
+        if (inSelection && !editor.isFocused()) {
+            editor.focus();
+            if (this.$focusTimout && !this.$clickSelection && !editor.inMultiSelectMode) {
+                this.setState("focusWait");
+                this.captureMouse(ev);
+                return;
+            }
+        }
+
+        this.captureMouse(ev);
+        this.startSelect(pos, ev.domEvent._clicks > 1);
+        return ev.preventDefault();
+    };
+
+    this.startSelect = function(pos, waitForClickSelection) {
+        pos = pos || this.editor.renderer.screenToTextCoordinates(this.x, this.y);
+        var editor = this.editor;
+        editor.$blockScrolling++;
+        if (this.mousedownEvent.getShiftKey())
+            editor.selection.selectToPosition(pos);
+        else if (!waitForClickSelection)
+            editor.selection.moveToPosition(pos);
+        if (!waitForClickSelection)
+            this.select();
+        if (editor.renderer.scroller.setCapture) {
+            editor.renderer.scroller.setCapture();
+        }
+        editor.setStyle("ace_selecting");
+        this.setState("select");
+        editor.$blockScrolling--;
+    };
+
+    this.select = function() {
+        var anchor, editor = this.editor;
+        var cursor = editor.renderer.screenToTextCoordinates(this.x, this.y);
+        editor.$blockScrolling++;
+        if (this.$clickSelection) {
+            var cmp = this.$clickSelection.comparePoint(cursor);
+
+            if (cmp == -1) {
+                anchor = this.$clickSelection.end;
+            } else if (cmp == 1) {
+                anchor = this.$clickSelection.start;
+            } else {
+                var orientedRange = calcRangeOrientation(this.$clickSelection, cursor);
+                cursor = orientedRange.cursor;
+                anchor = orientedRange.anchor;
+            }
+            editor.selection.setSelectionAnchor(anchor.row, anchor.column);
+        }
+        editor.selection.selectToPosition(cursor);
+        editor.$blockScrolling--;
+        editor.renderer.scrollCursorIntoView();
+    };
+
+    this.extendSelectionBy = function(unitName) {
+        var anchor, editor = this.editor;
+        var cursor = editor.renderer.screenToTextCoordinates(this.x, this.y);
+        var range = editor.selection[unitName](cursor.row, cursor.column);
+        editor.$blockScrolling++;
+        if (this.$clickSelection) {
+            var cmpStart = this.$clickSelection.comparePoint(range.start);
+            var cmpEnd = this.$clickSelection.comparePoint(range.end);
+
+            if (cmpStart == -1 && cmpEnd <= 0) {
+                anchor = this.$clickSelection.end;
+                if (range.end.row != cursor.row || range.end.column != cursor.column)
+                    cursor = range.start;
+            } else if (cmpEnd == 1 && cmpStart >= 0) {
+                anchor = this.$clickSelection.start;
+                if (range.start.row != cursor.row || range.start.column != cursor.column)
+                    cursor = range.end;
+            } else if (cmpStart == -1 && cmpEnd == 1) {
+                cursor = range.end;
+                anchor = range.start;
+            } else {
+                var orientedRange = calcRangeOrientation(this.$clickSelection, cursor);
+                cursor = orientedRange.cursor;
+                anchor = orientedRange.anchor;
+            }
+            editor.selection.setSelectionAnchor(anchor.row, anchor.column);
+        }
+        editor.selection.selectToPosition(cursor);
+        editor.$blockScrolling--;
+        editor.renderer.scrollCursorIntoView();
+    };
+
+    this.selectEnd =
+    this.selectAllEnd =
+    this.selectByWordsEnd =
+    this.selectByLinesEnd = function() {
+        this.$clickSelection = null;
+        this.editor.unsetStyle("ace_selecting");
+        if (this.editor.renderer.scroller.releaseCapture) {
+            this.editor.renderer.scroller.releaseCapture();
+        }
+    };
+
+    this.focusWait = function() {
+        var distance = calcDistance(this.mousedownEvent.x, this.mousedownEvent.y, this.x, this.y);
+        var time = Date.now();
+
+        if (distance > DRAG_OFFSET || time - this.mousedownEvent.time > this.$focusTimout)
+            this.startSelect(this.mousedownEvent.getDocumentPosition());
+    };
+
+    this.onDoubleClick = function(ev) {
+        var pos = ev.getDocumentPosition();
+        var editor = this.editor;
+        var session = editor.session;
+
+        var range = session.getBracketRange(pos);
+        if (range) {
+            if (range.isEmpty()) {
+                range.start.column--;
+                range.end.column++;
+            }
+            this.setState("select");
+        } else {
+            range = editor.selection.getWordRange(pos.row, pos.column);
+            this.setState("selectByWords");
+        }
+        this.$clickSelection = range;
+        this.select();
+    };
+
+    this.onTripleClick = function(ev) {
+        var pos = ev.getDocumentPosition();
+        var editor = this.editor;
+
+        this.setState("selectByLines");
+        var range = editor.getSelectionRange();
+        if (range.isMultiLine() && range.contains(pos.row, pos.column)) {
+            this.$clickSelection = editor.selection.getLineRange(range.start.row);
+            this.$clickSelection.end = editor.selection.getLineRange(range.end.row).end;
+        } else {
+            this.$clickSelection = editor.selection.getLineRange(pos.row);
+        }
+        this.select();
+    };
+
+    this.onQuadClick = function(ev) {
+        var editor = this.editor;
+
+        editor.selectAll();
+        this.$clickSelection = editor.getSelectionRange();
+        this.setState("selectAll");
+    };
+
+    this.onMouseWheel = function(ev) {
+        if (ev.getAccelKey())
+            return;
+        if (ev.getShiftKey() && ev.wheelY && !ev.wheelX) {
+            ev.wheelX = ev.wheelY;
+            ev.wheelY = 0;
+        }
+
+        var t = ev.domEvent.timeStamp;
+        var dt = t - (this.$lastScrollTime||0);
+
+        var editor = this.editor;
+        var isScrolable = editor.renderer.isScrollableBy(ev.wheelX * ev.speed, ev.wheelY * ev.speed);
+        if (isScrolable || dt < 200) {
+            this.$lastScrollTime = t;
+            editor.renderer.scrollBy(ev.wheelX * ev.speed, ev.wheelY * ev.speed);
+            return ev.stop();
+        }
+    };
+
+}).call(DefaultHandlers.prototype);
+
+exports.DefaultHandlers = DefaultHandlers;
+
+function calcDistance(ax, ay, bx, by) {
+    return Math.sqrt(Math.pow(bx - ax, 2) + Math.pow(by - ay, 2));
+}
+
+function calcRangeOrientation(range, cursor) {
+    if (range.start.row == range.end.row)
+        var cmp = 2 * cursor.column - range.start.column - range.end.column;
+    else if (range.start.row == range.end.row - 1 && !range.start.column && !range.end.column)
+        var cmp = cursor.column - 4;
+    else
+        var cmp = 2 * cursor.row - range.start.row - range.end.row;
+
+    if (cmp < 0)
+        return {cursor: range.start, anchor: range.end};
+    else
+        return {cursor: range.end, anchor: range.start};
+}
+
+});
+
+define("ace/tooltip",["require","exports","module","ace/lib/oop","ace/lib/dom"], function(require, exports, module) {
+"use strict";
+
+var oop = require("./lib/oop");
+var dom = require("./lib/dom");
+function Tooltip (parentNode) {
+    this.isOpen = false;
+    this.$element = null;
+    this.$parentNode = parentNode;
+}
+
+(function() {
+    this.$init = function() {
+        this.$element = dom.createElement("div");
+        this.$element.className = "ace_tooltip";
+        this.$element.style.display = "none";
+        this.$parentNode.appendChild(this.$element);
+        return this.$element;
+    };
+    this.getElement = function() {
+        return this.$element || this.$init();
+    };
+    this.setText = function(text) {
+        dom.setInnerText(this.getElement(), text);
+    };
+    this.setHtml = function(html) {
+        this.getElement().innerHTML = html;
+    };
+    this.setPosition = function(x, y) {
+        this.getElement().style.left = x + "px";
+        this.getElement().style.top = y + "px";
+    };
+    this.setClassName = function(className) {
+        dom.addCssClass(this.getElement(), className);
+    };
+    this.show = function(text, x, y) {
+        if (text != null)
+            this.setText(text);
+        if (x != null && y != null)
+            this.setPosition(x, y);
+        if (!this.isOpen) {
+            this.getElement().style.display = "block";
+            this.isOpen = true;
+        }
+    };
+
+    this.hide = function() {
+        if (this.isOpen) {
+            this.getElement().style.display = "none";
+            this.isOpen = false;
+        }
+    };
+    this.getHeight = function() {
+        return this.getElement().offsetHeight;
+    };
+    this.getWidth = function() {
+        return this.getElement().offsetWidth;
+    };
+
+}).call(Tooltip.prototype);
+
+exports.Tooltip = Tooltip;
+});
+
+define("ace/mouse/default_gutter_handler",["require","exports","module","ace/lib/dom","ace/lib/oop","ace/lib/event","ace/tooltip"], function(require, exports, module) {
+"use strict";
+var dom = require("../lib/dom");
+var oop = require("../lib/oop");
+var event = require("../lib/event");
+var Tooltip = require("../tooltip").Tooltip;
+
+function GutterHandler(mouseHandler) {
+    var editor = mouseHandler.editor;
+    var gutter = editor.renderer.$gutterLayer;
+    var tooltip = new GutterTooltip(editor.container);
+
+    mouseHandler.editor.setDefaultHandler("guttermousedown", function(e) {
+        if (!editor.isFocused() || e.getButton() != 0)
+            return;
+        var gutterRegion = gutter.getRegion(e);
+
+        if (gutterRegion == "foldWidgets")
+            return;
+
+        var row = e.getDocumentPosition().row;
+        var selection = editor.session.selection;
+
+        if (e.getShiftKey())
+            selection.selectTo(row, 0);
+        else {
+            if (e.domEvent.detail == 2) {
+                editor.selectAll();
+                return e.preventDefault();
+            }
+            mouseHandler.$clickSelection = editor.selection.getLineRange(row);
+        }
+        mouseHandler.setState("selectByLines");
+        mouseHandler.captureMouse(e);
+        return e.preventDefault();
+    });
+
+
+    var tooltipTimeout, mouseEvent, tooltipAnnotation;
+
+    function showTooltip() {
+        var row = mouseEvent.getDocumentPosition().row;
+        var annotation = gutter.$annotations[row];
+        if (!annotation)
+            return hideTooltip();
+
+        var maxRow = editor.session.getLength();
+        if (row == maxRow) {
+            var screenRow = editor.renderer.pixelToScreenCoordinates(0, mouseEvent.y).row;
+            var pos = mouseEvent.$pos;
+            if (screenRow > editor.session.documentToScreenRow(pos.row, pos.column))
+                return hideTooltip();
+        }
+
+        if (tooltipAnnotation == annotation)
+            return;
+        tooltipAnnotation = annotation.text.join("<br/>");
+
+        tooltip.setHtml(tooltipAnnotation);
+        tooltip.show();
+        editor.on("mousewheel", hideTooltip);
+
+        if (mouseHandler.$tooltipFollowsMouse) {
+            moveTooltip(mouseEvent);
+        } else {
+            var gutterElement = gutter.$cells[editor.session.documentToScreenRow(row, 0)].element;
+            var rect = gutterElement.getBoundingClientRect();
+            var style = tooltip.getElement().style;
+            style.left = rect.right + "px";
+            style.top = rect.bottom + "px";
+        }
+    }
+
+    function hideTooltip() {
+        if (tooltipTimeout)
+            tooltipTimeout = clearTimeout(tooltipTimeout);
+        if (tooltipAnnotation) {
+            tooltip.hide();
+            tooltipAnnotation = null;
+            editor.removeEventListener("mousewheel", hideTooltip);
+        }
+    }
+
+    function moveTooltip(e) {
+        tooltip.setPosition(e.x, e.y);
+    }
+
+    mouseHandler.editor.setDefaultHandler("guttermousemove", function(e) {
+        var target = e.domEvent.target || e.domEvent.srcElement;
+        if (dom.hasCssClass(target, "ace_fold-widget"))
+            return hideTooltip();
+
+        if (tooltipAnnotation && mouseHandler.$tooltipFollowsMouse)
+            moveTooltip(e);
+
+        mouseEvent = e;
+        if (tooltipTimeout)
+            return;
+        tooltipTimeout = setTimeout(function() {
+            tooltipTimeout = null;
+            if (mouseEvent && !mouseHandler.isMousePressed)
+                showTooltip();
+            else
+                hideTooltip();
+        }, 50);
+    });
+
+    event.addListener(editor.renderer.$gutter, "mouseout", function(e) {
+        mouseEvent = null;
+        if (!tooltipAnnotation || tooltipTimeout)
+            return;
+
+        tooltipTimeout = setTimeout(function() {
+            tooltipTimeout = null;
+            hideTooltip();
+        }, 50);
+    });
+
+    editor.on("changeSession", hideTooltip);
+}
+
+function GutterTooltip(parentNode) {
+    Tooltip.call(this, parentNode);
+}
+
+oop.inherits(GutterTooltip, Tooltip);
+
+(function(){
+    this.setPosition = function(x, y) {
+        var windowWidth = window.innerWidth || document.documentElement.clientWidth;
+        var windowHeight = window.innerHeight || document.documentElement.clientHeight;
+        var width = this.getWidth();
+        var height = this.getHeight();
+        x += 15;
+        y += 15;
+        if (x + width > windowWidth) {
+            x -= (x + width) - windowWidth;
+        }
+        if (y + height > windowHeight) {
+            y -= 20 + height;
+        }
+        Tooltip.prototype.setPosition.call(this, x, y);
+    };
+
+}).call(GutterTooltip.prototype);
+
+
+
+exports.GutterHandler = GutterHandler;
+
+});
+
+define("ace/mouse/mouse_event",["require","exports","module","ace/lib/event","ace/lib/useragent"], function(require, exports, module) {
+"use strict";
+
+var event = require("../lib/event");
+var useragent = require("../lib/useragent");
+var MouseEvent = exports.MouseEvent = function(domEvent, editor) {
+    this.domEvent = domEvent;
+    this.editor = editor;
+
+    this.x = this.clientX = domEvent.clientX;
+    this.y = this.clientY = domEvent.clientY;
+
+    this.$pos = null;
+    this.$inSelection = null;
+
+    this.propagationStopped = false;
+    this.defaultPrevented = false;
+};
+
+(function() {
+
+    this.stopPropagation = function() {
+        event.stopPropagation(this.domEvent);
+        this.propagationStopped = true;
+    };
+
+    this.preventDefault = function() {
+        event.preventDefault(this.domEvent);
+        this.defaultPrevented = true;
+    };
+
+    this.stop = function() {
+        this.stopPropagation();
+        this.preventDefault();
+    };
+    this.getDocumentPosition = function() {
+        if (this.$pos)
+            return this.$pos;
+
+        this.$pos = this.editor.renderer.screenToTextCoordinates(this.clientX, this.clientY);
+        return this.$pos;
+    };
+    this.inSelection = function() {
+        if (this.$inSelection !== null)
+            return this.$inSelection;
+
+        var editor = this.editor;
+
+
+        var selectionRange = editor.getSelectionRange();
+        if (selectionRange.isEmpty())
+            this.$inSelection = false;
+        else {
+            var pos = this.getDocumentPosition();
+            this.$inSelection = selectionRange.contains(pos.row, pos.column);
+        }
+
+        return this.$inSelection;
+    };
+    this.getButton = function() {
+        return event.getButton(this.domEvent);
+    };
+    this.getShiftKey = function() {
+        return this.domEvent.shiftKey;
+    };
+
+    this.getAccelKey = useragent.isMac
+        ? function() { return this.domEvent.metaKey; }
+        : function() { return this.domEvent.ctrlKey; };
+
+}).call(MouseEvent.prototype);
+
+});
+
+define("ace/mouse/dragdrop_handler",["require","exports","module","ace/lib/dom","ace/lib/event","ace/lib/useragent"], function(require, exports, module) {
+"use strict";
+
+var dom = require("../lib/dom");
+var event = require("../lib/event");
+var useragent = require("../lib/useragent");
+
+var AUTOSCROLL_DELAY = 200;
+var SCROLL_CURSOR_DELAY = 200;
+var SCROLL_CURSOR_HYSTERESIS = 5;
+
+function DragdropHandler(mouseHandler) {
+
+    var editor = mouseHandler.editor;
+
+    var blankImage = dom.createElement("img");
+    blankImage.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==";
+    if (useragent.isOpera)
+        blankImage.style.cssText = "width:1px;height:1px;position:fixed;top:0;left:0;z-index:2147483647;opacity:0;";
+
+    var exports = ["dragWait", "dragWaitEnd", "startDrag", "dragReadyEnd", "onMouseDrag"];
+
+     exports.forEach(function(x) {
+         mouseHandler[x] = this[x];
+    }, this);
+    editor.addEventListener("mousedown", this.onMouseDown.bind(mouseHandler));
+
+
+    var mouseTarget = editor.container;
+    var dragSelectionMarker, x, y;
+    var timerId, range;
+    var dragCursor, counter = 0;
+    var dragOperation;
+    var isInternal;
+    var autoScrollStartTime;
+    var cursorMovedTime;
+    var cursorPointOnCaretMoved;
+
+    this.onDragStart = function(e) {
+        if (this.cancelDrag || !mouseTarget.draggable) {
+            var self = this;
+            setTimeout(function(){
+                self.startSelect();
+                self.captureMouse(e);
+            }, 0);
+            return e.preventDefault();
+        }
+        range = editor.getSelectionRange();
+
+        var dataTransfer = e.dataTransfer;
+        dataTransfer.effectAllowed = editor.getReadOnly() ? "copy" : "copyMove";
+        if (useragent.isOpera) {
+            editor.container.appendChild(blankImage);
+            blankImage.scrollTop = 0;
+        }
+        dataTransfer.setDragImage && dataTransfer.setDragImage(blankImage, 0, 0);
+        if (useragent.isOpera) {
+            editor.container.removeChild(blankImage);
+        }
+        dataTransfer.clearData();
+        dataTransfer.setData("Text", editor.session.getTextRange());
+
+        isInternal = true;
+        this.setState("drag");
+    };
+
+    this.onDragEnd = function(e) {
+        mouseTarget.draggable = false;
+        isInternal = false;
+        this.setState(null);
+        if (!editor.getReadOnly()) {
+            var dropEffect = e.dataTransfer.dropEffect;
+            if (!dragOperation && dropEffect == "move")
+                editor.session.remove(editor.getSelectionRange());
+            editor.renderer.$cursorLayer.setBlinking(true);
+        }
+        this.editor.unsetStyle("ace_dragging");
+        this.editor.renderer.setCursorStyle("");
+    };
+
+    this.onDragEnter = function(e) {
+        if (editor.getReadOnly() || !canAccept(e.dataTransfer))
+            return;
+        x = e.clientX;
+        y = e.clientY;
+        if (!dragSelectionMarker)
+            addDragMarker();
+        counter++;
+        e.dataTransfer.dropEffect = dragOperation = getDropEffect(e);
+        return event.preventDefault(e);
+    };
+
+    this.onDragOver = function(e) {
+        if (editor.getReadOnly() || !canAccept(e.dataTransfer))
+            return;
+        x = e.clientX;
+        y = e.clientY;
+        if (!dragSelectionMarker) {
+            addDragMarker();
+            counter++;
+        }
+        if (onMouseMoveTimer !== null)
+            onMouseMoveTimer = null;
+
+        e.dataTransfer.dropEffect = dragOperation = getDropEffect(e);
+        return event.preventDefault(e);
+    };
+
+    this.onDragLeave = function(e) {
+        counter--;
+        if (counter <= 0 && dragSelectionMarker) {
+            clearDragMarker();
+            dragOperation = null;
+            return event.preventDefault(e);
+        }
+    };
+
+    this.onDrop = function(e) {
+        if (!dragCursor)
+            return;
+        var dataTransfer = e.dataTransfer;
+        if (isInternal) {
+            switch (dragOperation) {
+                case "move":
+                    if (range.contains(dragCursor.row, dragCursor.column)) {
+                        range = {
+                            start: dragCursor,
+                            end: dragCursor
+                        };
+                    } else {
+                        range = editor.moveText(range, dragCursor);
+                    }
+                    break;
+                case "copy":
+                    range = editor.moveText(range, dragCursor, true);
+                    break;
+            }
+        } else {
+            var dropData = dataTransfer.getData('Text');
+            range = {
+                start: dragCursor,
+                end: editor.session.insert(dragCursor, dropData)
+            };
+            editor.focus();
+            dragOperation = null;
+        }
+        clearDragMarker();
+        return event.preventDefault(e);
+    };
+
+    event.addListener(mouseTarget, "dragstart", this.onDragStart.bind(mouseHandler));
+    event.addListener(mouseTarget, "dragend", this.onDragEnd.bind(mouseHandler));
+    event.addListener(mouseTarget, "dragenter", this.onDragEnter.bind(mouseHandler));
+    event.addListener(mouseTarget, "dragover", this.onDragOver.bind(mouseHandler));
+    event.addListener(mouseTarget, "dragleave", this.onDragLeave.bind(mouseHandler));
+    event.addListener(mouseTarget, "drop", this.onDrop.bind(mouseHandler));
+
+    function scrollCursorIntoView(cursor, prevCursor) {
+        var now = Date.now();
+        var vMovement = !prevCursor || cursor.row != prevCursor.row;
+        var hMovement = !prevCursor || cursor.column != prevCursor.column;
+        if (!cursorMovedTime || vMovement || hMovement) {
+            editor.$blockScrolling += 1;
+            editor.moveCursorToPosition(cursor);
+            editor.$blockScrolling -= 1;
+            cursorMovedTime = now;
+            cursorPointOnCaretMoved = {x: x, y: y};
+        } else {
+            var distance = calcDistance(cursorPointOnCaretMoved.x, cursorPointOnCaretMoved.y, x, y);
+            if (distance > SCROLL_CURSOR_HYSTERESIS) {
+                cursorMovedTime = null;
+            } else if (now - cursorMovedTime >= SCROLL_CURSOR_DELAY) {
+                editor.renderer.scrollCursorIntoView();
+                cursorMovedTime = null;
+            }
+        }
+    }
+
+    function autoScroll(cursor, prevCursor) {
+        var now = Date.now();
+        var lineHeight = editor.renderer.layerConfig.lineHeight;
+        var characterWidth = editor.renderer.layerConfig.characterWidth;
+        var editorRect = editor.renderer.scroller.getBoundingClientRect();
+        var offsets = {
+           x: {
+               left: x - editorRect.left,
+               right: editorRect.right - x
+           },
+           y: {
+               top: y - editorRect.top,
+               bottom: editorRect.bottom - y
+           }
+        };
+        var nearestXOffset = Math.min(offsets.x.left, offsets.x.right);
+        var nearestYOffset = Math.min(offsets.y.top, offsets.y.bottom);
+        var scrollCursor = {row: cursor.row, column: cursor.column};
+        if (nearestXOffset / characterWidth <= 2) {
+            scrollCursor.column += (offsets.x.left < offsets.x.right ? -3 : +2);
+        }
+        if (nearestYOffset / lineHeight <= 1) {
+            scrollCursor.row += (offsets.y.top < offsets.y.bottom ? -1 : +1);
+        }
+        var vScroll = cursor.row != scrollCursor.row;
+        var hScroll = cursor.column != scrollCursor.column;
+        var vMovement = !prevCursor || cursor.row != prevCursor.row;
+        if (vScroll || (hScroll && !vMovement)) {
+            if (!autoScrollStartTime)
+                autoScrollStartTime = now;
+            else if (now - autoScrollStartTime >= AUTOSCROLL_DELAY)
+                editor.renderer.scrollCursorIntoView(scrollCursor);
+        } else {
+            autoScrollStartTime = null;
+        }
+    }
+
+    function onDragInterval() {
+        var prevCursor = dragCursor;
+        dragCursor = editor.renderer.screenToTextCoordinates(x, y);
+        scrollCursorIntoView(dragCursor, prevCursor);
+        autoScroll(dragCursor, prevCursor);
+    }
+
+    function addDragMarker() {
+        range = editor.selection.toOrientedRange();
+        dragSelectionMarker = editor.session.addMarker(range, "ace_selection", editor.getSelectionStyle());
+        editor.clearSelection();
+        if (editor.isFocused())
+            editor.renderer.$cursorLayer.setBlinking(false);
+        clearInterval(timerId);
+        onDragInterval();
+        timerId = setInterval(onDragInterval, 20);
+        counter = 0;
+        event.addListener(document, "mousemove", onMouseMove);
+    }
+
+    function clearDragMarker() {
+        clearInterval(timerId);
+        editor.session.removeMarker(dragSelectionMarker);
+        dragSelectionMarker = null;
+        editor.$blockScrolling += 1;
+        editor.selection.fromOrientedRange(range);
+        editor.$blockScrolling -= 1;
+        if (editor.isFocused() && !isInternal)
+            editor.renderer.$cursorLayer.setBlinking(!editor.getReadOnly());
+        range = null;
+        dragCursor = null;
+        counter = 0;
+        autoScrollStartTime = null;
+        cursorMovedTime = null;
+        event.removeListener(document, "mousemove", onMouseMove);
+    }
+    var onMouseMoveTimer = null;
+    function onMouseMove() {
+        if (onMouseMoveTimer == null) {
+            onMouseMoveTimer = setTimeout(function() {
+                if (onMouseMoveTimer != null && dragSelectionMarker)
+                    clearDragMarker();
+            }, 20);
+        }
+    }
+
+    function canAccept(dataTransfer) {
+        var types = dataTransfer.types;
+        return !types || Array.prototype.some.call(types, function(type) {
+            return type == 'text/plain' || type == 'Text';
+        });
+    }
+
+    function getDropEffect(e) {
+        var copyAllowed = ['copy', 'copymove', 'all', 'uninitialized'];
+        var moveAllowed = ['move', 'copymove', 'linkmove', 'all', 'uninitialized'];
+
+        var copyModifierState = useragent.isMac ? e.altKey : e.ctrlKey;
+        var effectAllowed = "uninitialized";
+        try {
+            effectAllowed = e.dataTransfer.effectAllowed.toLowerCase();
+        } catch (e) {}
+        var dropEffect = "none";
+
+        if (copyModifierState && copyAllowed.indexOf(effectAllowed) >= 0)
+            dropEffect = "copy";
+        else if (moveAllowed.indexOf(effectAllowed) >= 0)
+            dropEffect = "move";
+        else if (copyAllowed.indexOf(effectAllowed) >= 0)
+            dropEffect = "copy";
+
+        return dropEffect;
+    }
+}
+
+(function() {
+
+    this.dragWait = function() {
+        var interval = Date.now() - this.mousedownEvent.time;
+        if (interval > this.editor.getDragDelay())
+            this.startDrag();
+    };
+
+    this.dragWaitEnd = function() {
+        var target = this.editor.container;
+        target.draggable = false;
+        this.startSelect(this.mousedownEvent.getDocumentPosition());
+        this.selectEnd();
+    };
+
+    this.dragReadyEnd = function(e) {
+        this.editor.renderer.$cursorLayer.setBlinking(!this.editor.getReadOnly());
+        this.editor.unsetStyle("ace_dragging");
+        this.editor.renderer.setCursorStyle("");
+        this.dragWaitEnd();
+    };
+
+    this.startDrag = function(){
+        this.cancelDrag = false;
+        var editor = this.editor;
+        var target = editor.container;
+        target.draggable = true;
+        editor.renderer.$cursorLayer.setBlinking(false);
+        editor.setStyle("ace_dragging");
+        var cursorStyle = useragent.isWin ? "default" : "move";
+        editor.renderer.setCursorStyle(cursorStyle);
+        this.setState("dragReady");
+    };
+
+    this.onMouseDrag = function(e) {
+        var target = this.editor.container;
+        if (useragent.isIE && this.state == "dragReady") {
+            var distance = calcDistance(this.mousedownEvent.x, this.mousedownEvent.y, this.x, this.y);
+            if (distance > 3)
+                target.dragDrop();
+        }
+        if (this.state === "dragWait") {
+            var distance = calcDistance(this.mousedownEvent.x, this.mousedownEvent.y, this.x, this.y);
+            if (distance > 0) {
+                target.draggable = false;
+                this.startSelect(this.mousedownEvent.getDocumentPosition());
+            }
+        }
+    };
+
+    this.onMouseDown = function(e) {
+        if (!this.$dragEnabled)
+            return;
+        this.mousedownEvent = e;
+        var editor = this.editor;
+
+        var inSelection = e.inSelection();
+        var button = e.getButton();
+        var clickCount = e.domEvent.detail || 1;
+        if (clickCount === 1 && button === 0 && inSelection) {
+            if (e.editor.inMultiSelectMode && (e.getAccelKey() || e.getShiftKey()))
+                return;
+            this.mousedownEvent.time = Date.now();
+            var eventTarget = e.domEvent.target || e.domEvent.srcElement;
+            if ("unselectable" in eventTarget)
+                eventTarget.unselectable = "on";
+            if (editor.getDragDelay()) {
+                if (useragent.isWebKit) {
+                    this.cancelDrag = true;
+                    var mouseTarget = editor.container;
+                    mouseTarget.draggable = true;
+                }
+                this.setState("dragWait");
+            } else {
+                this.startDrag();
+            }
+            this.captureMouse(e, this.onMouseDrag.bind(this));
+            e.defaultPrevented = true;
+        }
+    };
+
+}).call(DragdropHandler.prototype);
+
+
+function calcDistance(ax, ay, bx, by) {
+    return Math.sqrt(Math.pow(bx - ax, 2) + Math.pow(by - ay, 2));
+}
+
+exports.DragdropHandler = DragdropHandler;
+
+});
+
+define("ace/lib/net",["require","exports","module","ace/lib/dom"], function(require, exports, module) {
+"use strict";
+var dom = require("./dom");
+
+exports.get = function (url, callback) {
+    var xhr = new XMLHttpRequest();
+    xhr.open('GET', url, true);
+    xhr.onreadystatechange = function () {
+        if (xhr.readyState === 4) {
+            callback(xhr.responseText);
+        }
+    };
+    xhr.send(null);
+};
+
+exports.loadScript = function(path, callback) {
+    var head = dom.getDocumentHead();
+    var s = document.createElement('script');
+
+    s.src = path;
+    head.appendChild(s);
+
+    s.onload = s.onreadystatechange = function(_, isAbort) {
+        if (isAbort || !s.readyState || s.readyState == "loaded" || s.readyState == "complete") {
+            s = s.onload = s.onreadystatechange = null;
+            if (!isAbort)
+                callback();
+        }
+    };
+};
+exports.qualifyURL = function(url) {
+    var a = document.createElement('a');
+    a.href = url;
+    return a.href;
+}
+
+});
+
+define("ace/lib/event_emitter",["require","exports","module"], function(require, exports, module) {
+"use strict";
+
+var EventEmitter = {};
+var stopPropagation = function() { this.propagationStopped = true; };
+var preventDefault = function() { this.defaultPrevented = true; };
+
+EventEmitter._emit =
+EventEmitter._dispatchEvent = function(eventName, e) {
+    this._eventRegistry || (this._eventRegistry = {});
+    this._defaultHandlers || (this._defaultHandlers = {});
+
+    var listeners = this._eventRegistry[eventName] || [];
+    var defaultHandler = this._defaultHandlers[eventName];
+    if (!listeners.length && !defaultHandler)
+        return;
+
+    if (typeof e != "object" || !e)
+        e = {};
+
+    if (!e.type)
+        e.type = eventName;
+    if (!e.stopPropagation)
+        e.stopPropagation = stopPropagation;
+    if (!e.preventDefault)
+        e.preventDefault = preventDefault;
+
+    listeners = listeners.slice();
+    for (var i=0; i<listeners.length; i++) {
+        listeners[i](e, this);
+        if (e.propagationStopped)
+            break;
+    }
+
+    if (defaultHandler && !e.defaultPrevented)
+        return defaultHandler(e, this);
+};
+
+
+EventEmitter._signal = function(eventName, e) {
+    var listeners = (this._eventRegistry || {})[eventName];
+    if (!listeners)
+        return;
+    listeners = listeners.slice();
+    for (var i=0; i<listeners.length; i++)
+        listeners[i](e, this);
+};
+
+EventEmitter.once = function(eventName, callback) {
+    var _self = this;
+    callback && this.addEventListener(eventName, function newCallback() {
+        _self.removeEventListener(eventName, newCallback);
+        callback.apply(null, arguments);
+    });
+};
+
+
+EventEmitter.setDefaultHandler = function(eventName, callback) {
+    var handlers = this._defaultHandlers
+    if (!handlers)
+        handlers = this._defaultHandlers = {_disabled_: {}};
+
+    if (handlers[eventName]) {
+        var old = handlers[eventName];
+        var disabled = handlers._disabled_[eventName];
+        if (!disabled)
+            handlers._disabled_[eventName] = disabled = [];
+        disabled.push(old);
+        var i = disabled.indexOf(callback);
+        if (i != -1)
+            disabled.splice(i, 1);
+    }
+    handlers[eventName] = callback;
+};
+EventEmitter.removeDefaultHandler = function(eventName, callback) {
+    var handlers = this._defaultHandlers
+    if (!handlers)
+        return;
+    var disabled = handlers._disabled_[eventName];
+
+    if (handlers[eventName] == callback) {
+        var old = handlers[eventName];
+        if (disabled)
+            this.setDefaultHandler(eventName, disabled.pop());
+    } else if (disabled) {
+        var i = disabled.indexOf(callback);
+        if (i != -1)
+            disabled.splice(i, 1);
+    }
+};
+
+EventEmitter.on =
+EventEmitter.addEventListener = function(eventName, callback, capturing) {
+    this._eventRegistry = this._eventRegistry || {};
+
+    var listeners = this._eventRegistry[eventName];
+    if (!listeners)
+        listeners = this._eventRegistry[eventName] = [];
+
+    if (listeners.indexOf(callback) == -1)
+        listeners[capturing ? "unshift" : "push"](callback);
+    return callback;
+};
+
+EventEmitter.off =
+EventEmitter.removeListener =
+EventEmitter.removeEventListener = function(eventName, callback) {
+    this._eventRegistry = this._eventRegistry || {};
+
+    var listeners = this._eventRegistry[eventName];
+    if (!listeners)
+        return;
+
+    var index = listeners.indexOf(callback);
+    if (index !== -1)
+        listeners.splice(index, 1);
+};
+
+EventEmitter.removeAllListeners = function(eventName) {
+    if (this._eventRegistry) this._eventRegistry[eventName] = [];
+};
+
+exports.EventEmitter = EventEmitter;
+
+});
+
+define("ace/lib/app_config",["require","exports","module","ace/lib/oop","ace/lib/event_emitter"], function(require, exports, module) {
+"no use strict";
+
+var oop = require("./oop");
+var EventEmitter = require("./event_emitter").EventEmitter;
+
+var optionsProvider = {
+    setOptions: function(optList) {
+        Object.keys(optList).forEach(function(key) {
+            this.setOption(key, optList[key]);
+        }, this);
+    },
+    getOptions: function(optionNames) {
+        var result = {};
+        if (!optionNames) {
+            optionNames = Object.keys(this.$options);
+        } else if (!Array.isArray(optionNames)) {
+            result = optionNames;
+            optionNames = Object.keys(result);
+        }
+        optionNames.forEach(function(key) {
+            result[key] = this.getOption(key);
+        }, this);
+        return result;
+    },
+    setOption: function(name, value) {
+        if (this["$" + name] === value)
+            return;
+        var opt = this.$options[name];
+        if (!opt) {
+            return warn('misspelled option "' + name + '"');
+        }
+        if (opt.forwardTo)
+            return this[opt.forwardTo] && this[opt.forwardTo].setOption(name, value);
+
+        if (!opt.handlesSet)
+            this["$" + name] = value;
+        if (opt && opt.set)
+            opt.set.call(this, value);
+    },
+    getOption: function(name) {
+        var opt = this.$options[name];
+        if (!opt) {
+            return warn('misspelled option "' + name + '"');
+        }
+        if (opt.forwardTo)
+            return this[opt.forwardTo] && this[opt.forwardTo].getOption(name);
+        return opt && opt.get ? opt.get.call(this) : this["$" + name];
+    }
+};
+
+function warn(message) {
+    if (typeof console != "undefined" && console.warn)
+        console.warn.apply(console, arguments);
+}
+
+function reportError(msg, data) {
+    var e = new Error(msg);
+    e.data = data;
+    if (typeof console == "object" && console.error)
+        console.error(e);
+    setTimeout(function() { throw e; });
+}
+
+var AppConfig = function() {
+    this.$defaultOptions = {};
+};
+
+(function() {
+    oop.implement(this, EventEmitter);
+    this.defineOptions = function(obj, path, options) {
+        if (!obj.$options)
+            this.$defaultOptions[path] = obj.$options = {};
+
+        Object.keys(options).forEach(function(key) {
+            var opt = options[key];
+            if (typeof opt == "string")
+                opt = {forwardTo: opt};
+
+            opt.name || (opt.name = key);
+            obj.$options[opt.name] = opt;
+            if ("initialValue" in opt)
+                obj["$" + opt.name] = opt.initialValue;
+        });
+        oop.implement(obj, optionsProvider);
+
+        return this;
+    };
+
+    this.resetOptions = function(obj) {
+        Object.keys(obj.$options).forEach(function(key) {
+            var opt = obj.$options[key];
+            if ("value" in opt)
+                obj.setOption(key, opt.value);
+        });
+    };
+
+    this.setDefaultValue = function(path, name, value) {
+        var opts = this.$defaultOptions[path] || (this.$defaultOptions[path] = {});
+        if (opts[name]) {
+            if (opts.forwardTo)
+                this.setDefaultValue(opts.forwardTo, name, value);
+            else
+                opts[name].value = value;
+        }
+    };
+
+    this.setDefaultValues = function(path, optionHash) {
+        Object.keys(optionHash).forEach(function(key) {
+            this.setDefaultValue(path, key, optionHash[key]);
+        }, this);
+    };
+
+    this.warn = warn;
+    this.reportError = reportError;
+
+}).call(AppConfig.prototype);
+
+exports.AppConfig = AppConfig;
+
+});
+
+define("ace/config",["require","exports","module","ace/lib/lang","ace/lib/oop","ace/lib/net","ace/lib/app_config"], function(require, exports, module) {
+"no use strict";
+
+var lang = require("./lib/lang");
+var oop = require("./lib/oop");
+var net = require("./lib/net");
+var AppConfig = require("./lib/app_config").AppConfig;
+
+module.exports = exports = new AppConfig();
+
+var global = (function() {
+    return this;
+})();
+
+var options = {
+    packaged: false,
+    workerPath: null,
+    modePath: null,
+    themePath: null,
+    basePath: "",
+    suffix: ".js",
+    $moduleUrls: {}
+};
+
+exports.get = function(key) {
+    if (!options.hasOwnProperty(key))
+        throw new Error("Unknown config key: " + key);
+
+    return options[key];
+};
+
+exports.set = function(key, value) {
+    if (!options.hasOwnProperty(key))
+        throw new Error("Unknown config key: " + key);
+
+    options[key] = value;
+};
+
+exports.all = function() {
+    return lang.copyObject(options);
+};
+exports.moduleUrl = function(name, component) {
+    if (options.$moduleUrls[name])
+        return options.$moduleUrls[name];
+
+    var parts = name.split("/");
+    component = component || parts[parts.length - 2] || "";
+    var sep = component == "snippets" ? "/" : "-";
+    var base = parts[parts.length - 1];
+    if (component == "worker" && sep == "-") {
+        var re = new RegExp("^" + component + "[\\-_]|[\\-_]" + component + "$", "g");
+        base = base.replace(re, "");
+    }
+
+    if ((!base || base == component) && parts.length > 1)
+        base = parts[parts.length - 2];
+    var path = options[component + "Path"];
+    if (path == null) {
+        path = options.basePath;
+    } else if (sep == "/") {
+        component = sep = "";
+    }
+    if (path && path.slice(-1) != "/")
+        path += "/";
+    return path + component + sep + base + this.get("suffix");
+};
+
+exports.setModuleUrl = function(name, subst) {
+    return options.$moduleUrls[name] = subst;
+};
+
+exports.$loading = {};
+exports.loadModule = function(moduleName, onLoad) {
+    var module, moduleType;
+    if (Array.isArray(moduleName)) {
+        moduleType = moduleName[0];
+        moduleName = moduleName[1];
+    }
+
+    try {
+        module = require(moduleName);
+    } catch (e) {}
+    if (module && !exports.$loading[moduleName])
+        return onLoad && onLoad(module);
+
+    if (!exports.$loading[moduleName])
+        exports.$loading[moduleName] = [];
+
+    exports.$loading[moduleName].push(onLoad);
+
+    if (exports.$loading[moduleName].length > 1)
+        return;
+
+    var afterLoad = function() {
+        require([moduleName], function(module) {
+            exports._emit("load.module", {name: moduleName, module: module});
+            var listeners = exports.$loading[moduleName];
+            exports.$loading[moduleName] = null;
+            listeners.forEach(function(onLoad) {
+                onLoad && onLoad(module);
+            });
+        });
+    };
+
+    if (!exports.get("packaged"))
+        return afterLoad();
+    net.loadScript(exports.moduleUrl(moduleName, moduleType), afterLoad);
+};
+init(true);function init(packaged) {
+
+    options.packaged = packaged || require.packaged || module.packaged || (global.define && define.packaged);
+
+    if (!global.document)
+        return "";
+
+    var scriptOptions = {};
+    var scriptUrl = "";
+    var currentScript = (document.currentScript || document._currentScript ); // native or polyfill
+    var currentDocument = currentScript && currentScript.ownerDocument || document;
+
+    var scripts = currentDocument.getElementsByTagName("script");
+    for (var i=0; i<scripts.length; i++) {
+        var script = scripts[i];
+
+        var src = script.src || script.getAttribute("src");
+        if (!src)
+            continue;
+
+        var attributes = script.attributes;
+        for (var j=0, l=attributes.length; j < l; j++) {
+            var attr = attributes[j];
+            if (attr.name.indexOf("data-ace-") === 0) {
+                scriptOptions[deHyphenate(attr.name.replace(/^data-ace-/, ""))] = attr.value;
+            }
+        }
+
+        var m = src.match(/^(.*)\/ace(\-\w+)?\.js(\?|$)/);
+        if (m)
+            scriptUrl = m[1];
+    }
+
+    if (scriptUrl) {
+        scriptOptions.base = scriptOptions.base || scriptUrl;
+        scriptOptions.packaged = true;
+    }
+
+    scriptOptions.basePath = scriptOptions.base;
+    scriptOptions.workerPath = scriptOptions.workerPath || scriptOptions.base;
+    scriptOptions.modePath = scriptOptions.modePath || scriptOptions.base;
+    scriptOptions.themePath = scriptOptions.themePath || scriptOptions.base;
+    delete scriptOptions.base;
+
+    for (var key in scriptOptions)
+        if (typeof scriptOptions[key] !== "undefined")
+            exports.set(key, scriptOptions[key]);
+};
+
+exports.init = init;
+
+function deHyphenate(str) {
+    return str.replace(/-(.)/g, function(m, m1) { return m1.toUpperCase(); });
+}
+
+});
+
+define("ace/mouse/mouse_handler",["require","exports","module","ace/lib/event","ace/lib/useragent","ace/mouse/default_handlers","ace/mouse/default_gutter_handler","ace/mouse/mouse_event","ace/mouse/dragdrop_handler","ace/config"], function(require, exports, module) {
+"use strict";
+
+var event = require("../lib/event");
+var useragent = require("../lib/useragent");
+var DefaultHandlers = require("./default_handlers").DefaultHandlers;
+var DefaultGutterHandler = require("./default_gutter_handler").GutterHandler;
+var MouseEvent = require("./mouse_event").MouseEvent;
+var DragdropHandler = require("./dragdrop_handler").DragdropHandler;
+var config = require("../config");
+
+var MouseHandler = function(editor) {
+    var _self = this;
+    this.editor = editor;
+
+    new DefaultHandlers(this);
+    new DefaultGutterHandler(this);
+    new DragdropHandler(this);
+
+    var focusEditor = function(e) {
+        if (!document.hasFocus || !document.hasFocus())
+            window.focus();
+        editor.focus();
+    };
+
+    var mouseTarget = editor.renderer.getMouseEventTarget();
+    event.addListener(mouseTarget, "click", this.onMouseEvent.bind(this, "click"));
+    event.addListener(mouseTarget, "mousemove", this.onMouseMove.bind(this, "mousemove"));
+    event.addMultiMouseDownListener(mouseTarget, [400, 300, 250], this, "onMouseEvent");
+    if (editor.renderer.scrollBarV) {
+        event.addMultiMouseDownListener(editor.renderer.scrollBarV.inner, [400, 300, 250], this, "onMouseEvent");
+        event.addMultiMouseDownListener(editor.renderer.scrollBarH.inner, [400, 300, 250], this, "onMouseEvent");
+        if (useragent.isIE) {
+            event.addListener(editor.renderer.scrollBarV.element, "mousedown", focusEditor);
+            event.addListener(editor.renderer.scrollBarH.element, "mousedown", focusEditor);
+        }
+    }
+    event.addMouseWheelListener(editor.container, this.onMouseWheel.bind(this, "mousewheel"));
+
+    var gutterEl = editor.renderer.$gutter;
+    event.addListener(gutterEl, "mousedown", this.onMouseEvent.bind(this, "guttermousedown"));
+    event.addListener(gutterEl, "click", this.onMouseEvent.bind(this, "gutterclick"));
+    event.addListener(gutterEl, "dblclick", this.onMouseEvent.bind(this, "gutterdblclick"));
+    event.addListener(gutterEl, "mousemove", this.onMouseEvent.bind(this, "guttermousemove"));
+
+    event.addListener(mouseTarget, "mousedown", focusEditor);
+
+    event.addListener(gutterEl, "mousedown", function(e) {
+        editor.focus();
+        return event.preventDefault(e);
+    });
+
+    editor.on("mousemove", function(e){
+        if (_self.state || _self.$dragDelay || !_self.$dragEnabled)
+            return;
+
+        var character = editor.renderer.screenToTextCoordinates(e.x, e.y);
+        var range = editor.session.selection.getRange();
+        var renderer = editor.renderer;
+
+        if (!range.isEmpty() && range.insideStart(character.row, character.column)) {
+            renderer.setCursorStyle("default");
+        } else {
+            renderer.setCursorStyle("");
+        }
+    });
+};
+
+(function() {
+    this.onMouseEvent = function(name, e) {
+        this.editor._emit(name, new MouseEvent(e, this.editor));
+    };
+
+    this.onMouseMove = function(name, e) {
+        var listeners = this.editor._eventRegistry && this.editor._eventRegistry.mousemove;
+        if (!listeners || !listeners.length)
+            return;
+
+        this.editor._emit(name, new MouseEvent(e, this.editor));
+    };
+
+    this.onMouseWheel = function(name, e) {
+        var mouseEvent = new MouseEvent(e, this.editor);
+        mouseEvent.speed = this.$scrollSpeed * 2;
+        mouseEvent.wheelX = e.wheelX;
+        mouseEvent.wheelY = e.wheelY;
+
+        this.editor._emit(name, mouseEvent);
+    };
+
+    this.setState = function(state) {
+        this.state = state;
+    };
+
+    this.captureMouse = function(ev, mouseMoveHandler) {
+        this.x = ev.x;
+        this.y = ev.y;
+
+        this.isMousePressed = true;
+        var renderer = this.editor.renderer;
+        if (renderer.$keepTextAreaAtCursor)
+            renderer.$keepTextAreaAtCursor = null;
+
+        var self = this;
+        var onMouseMove = function(e) {
+            if (!e) return;
+            if (useragent.isWebKit && !e.which && self.releaseMouse)
+                return self.releaseMouse();
+
+            self.x = e.clientX;
+            self.y = e.clientY;
+            mouseMoveHandler && mouseMoveHandler(e);
+            self.mouseEvent = new MouseEvent(e, self.editor);
+            self.$mouseMoved = true;
+        };
+
+        var onCaptureEnd = function(e) {
+            clearInterval(timerId);
+            onCaptureInterval();
+            self[self.state + "End"] && self[self.state + "End"](e);
+            self.state = "";
+            if (renderer.$keepTextAreaAtCursor == null) {
+                renderer.$keepTextAreaAtCursor = true;
+                renderer.$moveTextAreaToCursor();
+            }
+            self.isMousePressed = false;
+            self.$onCaptureMouseMove = self.releaseMouse = null;
+            e && self.onMouseEvent("mouseup", e);
+        };
+
+        var onCaptureInterval = function() {
+            self[self.state] && self[self.state]();
+            self.$mouseMoved = false;
+        };
+
+        if (useragent.isOldIE && ev.domEvent.type == "dblclick") {
+            return setTimeout(function() {onCaptureEnd(ev);});
+        }
+
+        self.$onCaptureMouseMove = onMouseMove;
+        self.releaseMouse = event.capture(this.editor.container, onMouseMove, onCaptureEnd);
+        var timerId = setInterval(onCaptureInterval, 20);
+    };
+    this.releaseMouse = null;
+    this.cancelContextMenu = function() {
+        var stop = function(e) {
+            if (e && e.domEvent && e.domEvent.type != "contextmenu")
+                return;
+            this.editor.off("nativecontextmenu", stop);
+            if (e && e.domEvent)
+                event.stopEvent(e.domEvent);
+        }.bind(this);
+        setTimeout(stop, 10);
+        this.editor.on("nativecontextmenu", stop);
+    };
+}).call(MouseHandler.prototype);
+
+config.defineOptions(MouseHandler.prototype, "mouseHandler", {
+    scrollSpeed: {initialValue: 2},
+    dragDelay: {initialValue: (useragent.isMac ? 150 : 0)},
+    dragEnabled: {initialValue: true},
+    focusTimout: {initialValue: 0},
+    tooltipFollowsMouse: {initialValue: true}
+});
+
+
+exports.MouseHandler = MouseHandler;
+});
+
+define("ace/mouse/fold_handler",["require","exports","module"], function(require, exports, module) {
+"use strict";
+
+function FoldHandler(editor) {
+
+    editor.on("click", function(e) {
+        var position = e.getDocumentPosition();
+        var session = editor.session;
+        var fold = session.getFoldAt(position.row, position.column, 1);
+        if (fold) {
+            if (e.getAccelKey())
+                session.removeFold(fold);
+            else
+                session.expandFold(fold);
+
+            e.stop();
+        }
+    });
+
+    editor.on("gutterclick", function(e) {
+        var gutterRegion = editor.renderer.$gutterLayer.getRegion(e);
+
+        if (gutterRegion == "foldWidgets") {
+            var row = e.getDocumentPosition().row;
+            var session = editor.session;
+            if (session.foldWidgets && session.foldWidgets[row])
+                editor.session.onFoldWidgetClick(row, e);
+            if (!editor.isFocused())
+                editor.focus();
+            e.stop();
+        }
+    });
+
+    editor.on("gutterdblclick", function(e) {
+        var gutterRegion = editor.renderer.$gutterLayer.getRegion(e);
+
+        if (gutterRegion == "foldWidgets") {
+            var row = e.getDocumentPosition().row;
+            var session = editor.session;
+            var data = session.getParentFoldRangeData(row, true);
+            var range = data.range || data.firstRange;
+
+            if (range) {
+                row = range.start.row;
+                var fold = session.getFoldAt(row, session.getLine(row).length, 1);
+
+                if (fold) {
+                    session.removeFold(fold);
+                } else {
+                    session.addFold("...", range);
+                    editor.renderer.scrollCursorIntoView({row: range.start.row, column: 0});
+                }
+            }
+            e.stop();
+        }
+    });
+}
+
+exports.FoldHandler = FoldHandler;
+
+});
+
+define("ace/keyboard/keybinding",["require","exports","module","ace/lib/keys","ace/lib/event"], function(require, exports, module) {
+"use strict";
+
+var keyUtil  = require("../lib/keys");
+var event = require("../lib/event");
+
+var KeyBinding = function(editor) {
+    this.$editor = editor;
+    this.$data = {editor: editor};
+    this.$handlers = [];
+    this.setDefaultHandler(editor.commands);
+};
+
+(function() {
+    this.setDefaultHandler = function(kb) {
+        this.removeKeyboardHandler(this.$defaultHandler);
+        this.$defaultHandler = kb;
+        this.addKeyboardHandler(kb, 0);
+    };
+
+    this.setKeyboardHandler = function(kb) {
+        var h = this.$handlers;
+        if (h[h.length - 1] == kb)
+            return;
+
+        while (h[h.length - 1] && h[h.length - 1] != this.$defaultHandler)
+            this.removeKeyboardHandler(h[h.length - 1]);
+
+        this.addKeyboardHandler(kb, 1);
+    };
+
+    this.addKeyboardHandler = function(kb, pos) {
+        if (!kb)
+            return;
+        if (typeof kb == "function" && !kb.handleKeyboard)
+            kb.handleKeyboard = kb;
+        var i = this.$handlers.indexOf(kb);
+        if (i != -1)
+            this.$handlers.splice(i, 1);
+
+        if (pos == undefined)
+            this.$handlers.push(kb);
+        else
+            this.$handlers.splice(pos, 0, kb);
+
+        if (i == -1 && kb.attach)
+            kb.attach(this.$editor);
+    };
+
+    this.removeKeyboardHandler = function(kb) {
+        var i = this.$handlers.indexOf(kb);
+        if (i == -1)
+            return false;
+        this.$handlers.splice(i, 1);
+        kb.detach && kb.detach(this.$editor);
+        return true;
+    };
+
+    this.getKeyboardHandler = function() {
+        return this.$handlers[this.$handlers.length - 1];
+    };
+
+    this.getStatusText = function() {
+        var data = this.$data;
+        var editor = data.editor;
+        return this.$handlers.map(function(h) {
+            return h.getStatusText && h.getStatusText(editor, data) || "";
+        }).filter(Boolean).join(" ");
+    };
+
+    this.$callKeyboardHandlers = function(hashId, keyString, keyCode, e) {
+        var toExecute;
+        var success = false;
+        var commands = this.$editor.commands;
+
+        for (var i = this.$handlers.length; i--;) {
+            toExecute = this.$handlers[i].handleKeyboard(
+                this.$data, hashId, keyString, keyCode, e
+            );
+            if (!toExecute || !toExecute.command)
+                continue;
+            if (toExecute.command == "null") {
+                success = true;
+            } else {
+                success = commands.exec(toExecute.command, this.$editor, toExecute.args, e);
+            }
+            if (success && e && hashId != -1 &&
+                toExecute.passEvent != true && toExecute.command.passEvent != true
+            ) {
+                event.stopEvent(e);
+            }
+            if (success)
+                break;
+        }
+        return success;
+    };
+
+    this.onCommandKey = function(e, hashId, keyCode) {
+        var keyString = keyUtil.keyCodeToString(keyCode);
+        this.$callKeyboardHandlers(hashId, keyString, keyCode, e);
+    };
+
+    this.onTextInput = function(text) {
+        var success = this.$callKeyboardHandlers(-1, text);
+        if (!success)
+            this.$editor.commands.exec("insertstring", this.$editor, text);
+    };
+
+}).call(KeyBinding.prototype);
+
+exports.KeyBinding = KeyBinding;
+});
+
+define("ace/range",["require","exports","module"], function(require, exports, module) {
+"use strict";
+var comparePoints = function(p1, p2) {
+    return p1.row - p2.row || p1.column - p2.column;
+};
+var Range = function(startRow, startColumn, endRow, endColumn) {
+    this.start = {
+        row: startRow,
+        column: startColumn
+    };
+
+    this.end = {
+        row: endRow,
+        column: endColumn
+    };
+};
+
+(function() {
+    this.isEqual = function(range) {
+        return this.start.row === range.start.row &&
+            this.end.row === range.end.row &&
+            this.start.column === range.start.column &&
+            this.end.column === range.end.column;
+    };
+    this.toString = function() {
+        return ("Range: [" + this.start.row + "/" + this.start.column +
+            "] -> [" + this.end.row + "/" + this.end.column + "]");
+    };
+
+    this.contains = function(row, column) {
+        return this.compare(row, column) == 0;
+    };
+    this.compareRange = function(range) {
+        var cmp,
+            end = range.end,
+            start = range.start;
+
+        cmp = this.compare(end.row, end.column);
+        if (cmp == 1) {
+            cmp = this.compare(start.row, start.column);
+            if (cmp == 1) {
+                return 2;
+            } else if (cmp == 0) {
+                return 1;
+            } else {
+                return 0;
+            }
+        } else if (cmp == -1) {
+            return -2;
+        } else {
+            cmp = this.compare(start.row, start.column);
+            if (cmp == -1) {
+                return -1;
+            } else if (cmp == 1) {
+                return 42;
+            } else {
+                return 0;
+            }
+        }
+    };
+    this.comparePoint = function(p) {
+        return this.compare(p.row, p.column);
+    };
+    this.containsRange = function(range) {
+        return this.comparePoint(range.start) == 0 && this.comparePoint(range.end) == 0;
+    };
+    this.intersects = function(range) {
+        var cmp = this.compareRange(range);
+        return (cmp == -1 || cmp == 0 || cmp == 1);
+    };
+    this.isEnd = function(row, column) {
+        return this.end.row == row && this.end.column == column;
+    };
+    this.isStart = function(row, column) {
+        return this.start.row == row && this.start.column == column;
+    };
+    this.setStart = function(row, column) {
+        if (typeof row == "object") {
+            this.start.column = row.column;
+            this.start.row = row.row;
+        } else {
+            this.start.row = row;
+            this.start.column = column;
+        }
+    };
+    this.setEnd = function(row, column) {
+        if (typeof row == "object") {
+            this.end.column = row.column;
+            this.end.row = row.row;
+        } else {
+            this.end.row = row;
+            this.end.column = column;
+        }
+    };
+    this.inside = function(row, column) {
+        if (this.compare(row, column) == 0) {
+            if (this.isEnd(row, column) || this.isStart(row, column)) {
+                return false;
+            } else {
+                return true;
+            }
+        }
+        return false;
+    };
+    this.insideStart = function(row, column) {
+        if (this.compare(row, column) == 0) {
+            if (this.isEnd(row, column)) {
+                return false;
+            } else {
+                return true;
+            }
+        }
+        return false;
+    };
+    this.insideEnd = function(row, column) {
+        if (this.compare(row, column) == 0) {
+            if (this.isStart(row, column)) {
+                return false;
+            } else {
+                return true;
+            }
+        }
+        return false;
+    };
+    this.compare = function(row, column) {
+        if (!this.isMultiLine()) {
+            if (row === this.start.row) {
+                return column < this.start.column ? -1 : (column > this.end.column ? 1 : 0);
+            };
+        }
+
+        if (row < this.start.row)
+            return -1;
+
+        if (row > this.end.row)
+            return 1;
+
+        if (this.start.row === row)
+            return column >= this.start.column ? 0 : -1;
+
+        if (this.end.row === row)
+            return column <= this.end.column ? 0 : 1;
+
+        return 0;
+    };
+    this.compareStart = function(row, column) {
+        if (this.start.row == row && this.start.column == column) {
+            return -1;
+        } else {
+            return this.compare(row, column);
+        }
+    };
+    this.compareEnd = function(row, column) {
+        if (this.end.row == row && this.end.column == column) {
+            return 1;
+        } else {
+            return this.compare(row, column);
+        }
+    };
+    this.compareInside = function(row, column) {
+        if (this.end.row == row && this.end.column == column) {
+            return 1;
+        } else if (this.start.row == row && this.start.column == column) {
+            return -1;
+        } else {
+            return this.compare(row, column);
+        }
+    };
+    this.clipRows = function(firstRow, lastRow) {
+        if (this.end.row > lastRow)
+            var end = {row: lastRow + 1, column: 0};
+        else if (this.end.row < firstRow)
+            var end = {row: firstRow, column: 0};
+
+        if (this.start.row > lastRow)
+            var start = {row: lastRow + 1, column: 0};
+        else if (this.start.row < firstRow)
+            var start = {row: firstRow, column: 0};
+
+        return Range.fromPoints(start || this.start, end || this.end);
+    };
+    this.extend = function(row, column) {
+        var cmp = this.compare(row, column);
+
+        if (cmp == 0)
+            return this;
+        else if (cmp == -1)
+            var start = {row: row, column: column};
+        else
+            var end = {row: row, column: column};
+
+        return Range.fromPoints(start || this.start, end || this.end);
+    };
+
+    this.isEmpty = function() {
+        return (this.start.row === this.end.row && this.start.column === this.end.column);
+    };
+    this.isMultiLine = function() {
+        return (this.start.row !== this.end.row);
+    };
+    this.clone = function() {
+        return Range.fromPoints(this.start, this.end);
+    };
+    this.collapseRows = function() {
+        if (this.end.column == 0)
+            return new Range(this.start.row, 0, Math.max(this.start.row, this.end.row-1), 0)
+        else
+            return new Range(this.start.row, 0, this.end.row, 0)
+    };
+    this.toScreenRange = function(session) {
+        var screenPosStart = session.documentToScreenPosition(this.start);
+        var screenPosEnd = session.documentToScreenPosition(this.end);
+
+        return new Range(
+            screenPosStart.row, screenPosStart.column,
+            screenPosEnd.row, screenPosEnd.column
+        );
+    };
+    this.moveBy = function(row, column) {
+        this.start.row += row;
+        this.start.column += column;
+        this.end.row += row;
+        this.end.column += column;
+    };
+
+}).call(Range.prototype);
+Range.fromPoints = function(start, end) {
+    return new Range(start.row, start.column, end.row, end.column);
+};
+Range.comparePoints = comparePoints;
+
+Range.comparePoints = function(p1, p2) {
+    return p1.row - p2.row || p1.column - p2.column;
+};
+
+
+exports.Range = Range;
+});
+
+define("ace/selection",["require","exports","module","ace/lib/oop","ace/lib/lang","ace/lib/event_emitter","ace/range"], function(require, exports, module) {
+"use strict";
+
+var oop = require("./lib/oop");
+var lang = require("./lib/lang");
+var EventEmitter = require("./lib/event_emitter").EventEmitter;
+var Range = require("./range").Range;
+var Selection = function(session) {
+    this.session = session;
+    this.doc = session.getDocument();
+
+    this.clearSelection();
+    this.lead = this.selectionLead = this.doc.createAnchor(0, 0);
+    this.anchor = this.selectionAnchor = this.doc.createAnchor(0, 0);
+
+    var self = this;
+    this.lead.on("change", function(e) {
+        self._emit("changeCursor");
+        if (!self.$isEmpty)
+            self._emit("changeSelection");
+        if (!self.$keepDesiredColumnOnChange && e.old.column != e.value.column)
+            self.$desiredColumn = null;
+    });
+
+    this.selectionAnchor.on("change", function() {
+        if (!self.$isEmpty)
+            self._emit("changeSelection");
+    });
+};
+
+(function() {
+
+    oop.implement(this, EventEmitter);
+    this.isEmpty = function() {
+        return (this.$isEmpty || (
+            this.anchor.row == this.lead.row &&
+            this.anchor.column == this.lead.column
+        ));
+    };
+    this.isMultiLine = function() {
+        if (this.isEmpty()) {
+            return false;
+        }
+
+        return this.getRange().isMultiLine();
+    };
+    this.getCursor = function() {
+        return this.lead.getPosition();
+    };
+    this.setSelectionAnchor = function(row, column) {
+        this.anchor.setPosition(row, column);
+
+        if (this.$isEmpty) {
+            this.$isEmpty = false;
+            this._emit("changeSelection");
+        }
+    };
+    this.getSelectionAnchor = function() {
+        if (this.$isEmpty)
+            return this.getSelectionLead();
+        else
+            return this.anchor.getPosition();
+    };
+    this.getSelectionLead = function() {
+        return this.lead.getPosition();
+    };
+    this.shiftSelection = function(columns) {
+        if (this.$isEmpty) {
+            this.moveCursorTo(this.lead.row, this.lead.column + columns);
+            return;
+        }
+
+        var anchor = this.getSelectionAnchor();
+        var lead = this.getSelectionLead();
+
+        var isBackwards = this.isBackwards();
+
+        if (!isBackwards || anchor.column !== 0)
+            this.setSelectionAnchor(anchor.row, anchor.column + columns);
+
+        if (isBackwards || lead.column !== 0) {
+            this.$moveSelection(function() {
+                this.moveCursorTo(lead.row, lead.column + columns);
+            });
+        }
+    };
+    this.isBackwards = function() {
+        var anchor = this.anchor;
+        var lead = this.lead;
+        return (anchor.row > lead.row || (anchor.row == lead.row && anchor.column > lead.column));
+    };
+    this.getRange = function() {
+        var anchor = this.anchor;
+        var lead = this.lead;
+
+        if (this.isEmpty())
+            return Range.fromPoints(lead, lead);
+
+        if (this.isBackwards()) {
+            return Range.fromPoints(lead, anchor);
+        }
+        else {
+            return Range.fromPoints(anchor, lead);
+        }
+    };
+    this.clearSelection = function() {
+        if (!this.$isEmpty) {
+            this.$isEmpty = true;
+            this._emit("changeSelection");
+        }
+    };
+    this.selectAll = function() {
+        var lastRow = this.doc.getLength() - 1;
+        this.setSelectionAnchor(0, 0);
+        this.moveCursorTo(lastRow, this.doc.getLine(lastRow).length);
+    };
+    this.setRange =
+    this.setSelectionRange = function(range, reverse) {
+        if (reverse) {
+            this.setSelectionAnchor(range.end.row, range.end.column);
+            this.selectTo(range.start.row, range.start.column);
+        } else {
+            this.setSelectionAnchor(range.start.row, range.start.column);
+            this.selectTo(range.end.row, range.end.column);
+        }
+        if (this.getRange().isEmpty())
+            this.$isEmpty = true;
+        this.$desiredColumn = null;
+    };
+
+    this.$moveSelection = function(mover) {
+        var lead = this.lead;
+        if (this.$isEmpty)
+            this.setSelectionAnchor(lead.row, lead.column);
+
+        mover.call(this);
+    };
+    this.selectTo = function(row, column) {
+        this.$moveSelection(function() {
+            this.moveCursorTo(row, column);
+        });
+    };
+    this.selectToPosition = function(pos) {
+        this.$moveSelection(function() {
+            this.moveCursorToPosition(pos);
+        });
+    };
+    this.moveTo = function(row, column) {
+        this.clearSelection();
+        this.moveCursorTo(row, column);
+    };
+    this.moveToPosition = function(pos) {
+        this.clearSelection();
+        this.moveCursorToPosition(pos);
+    };
+    this.selectUp = function() {
+        this.$moveSelection(this.moveCursorUp);
+    };
+    this.selectDown = function() {
+        this.$moveSelection(this.moveCursorDown);
+    };
+    this.selectRight = function() {
+        this.$moveSelection(this.moveCursorRight);
+    };
+    this.selectLeft = function() {
+        this.$moveSelection(this.moveCursorLeft);
+    };
+    this.selectLineStart = function() {
+        this.$moveSelection(this.moveCursorLineStart);
+    };
+    this.selectLineEnd = function() {
+        this.$moveSelection(this.moveCursorLineEnd);
+    };
+    this.selectFileEnd = function() {
+        this.$moveSelection(this.moveCursorFileEnd);
+    };
+    this.selectFileStart = function() {
+        this.$moveSelection(this.moveCursorFileStart);
+    };
+    this.selectWordRight = function() {
+        this.$moveSelection(this.moveCursorWordRight);
+    };
+    this.selectWordLeft = function() {
+        this.$moveSelection(this.moveCursorWordLeft);
+    };
+    this.getWordRange = function(row, column) {
+        if (typeof column == "undefined") {
+            var cursor = row || this.lead;
+            row = cursor.row;
+            column = cursor.column;
+        }
+        return this.session.getWordRange(row, column);
+    };
+    this.selectWord = function() {
+        this.setSelectionRange(this.getWordRange());
+    };
+    this.selectAWord = function() {
+        var cursor = this.getCursor();
+        var range = this.session.getAWordRange(cursor.row, cursor.column);
+        this.setSelectionRange(range);
+    };
+
+    this.getLineRange = function(row, excludeLastChar) {
+        var rowStart = typeof row == "number" ? row : this.lead.row;
+        var rowEnd;
+
+        var foldLine = this.session.getFoldLine(rowStart);
+        if (foldLine) {
+            rowStart = foldLine.start.row;
+            rowEnd = foldLine.end.row;
+        } else {
+            rowEnd = rowStart;
+        }
+        if (excludeLastChar === true)
+            return new Range(rowStart, 0, rowEnd, this.session.getLine(rowEnd).length);
+        else
+            return new Range(rowStart, 0, rowEnd + 1, 0);
+    };
+    this.selectLine = function() {
+        this.setSelectionRange(this.getLineRange());
+    };
+    this.moveCursorUp = function() {
+        this.moveCursorBy(-1, 0);
+    };
+    this.moveCursorDown = function() {
+        this.moveCursorBy(1, 0);
+    };
+    this.moveCursorLeft = function() {
+        var cursor = this.lead.getPosition(),
+            fold;
+
+        if (fold = this.session.getFoldAt(cursor.row, cursor.column, -1)) {
+            this.moveCursorTo(fold.start.row, fold.start.column);
+        } else if (cursor.column === 0) {
+            if (cursor.row > 0) {
+                this.moveCursorTo(cursor.row - 1, this.doc.getLine(cursor.row - 1).length);
+            }
+        }
+        else {
+            var tabSize = this.session.getTabSize();
+            if (this.session.isTabStop(cursor) && this.doc.getLine(cursor.row).slice(cursor.column-tabSize, cursor.column).split(" ").length-1 == tabSize)
+                this.moveCursorBy(0, -tabSize);
+            else
+                this.moveCursorBy(0, -1);
+        }
+    };
+    this.moveCursorRight = function() {
+        var cursor = this.lead.getPosition(),
+            fold;
+        if (fold = this.session.getFoldAt(cursor.row, cursor.column, 1)) {
+            this.moveCursorTo(fold.end.row, fold.end.column);
+        }
+        else if (this.lead.column == this.doc.getLine(this.lead.row).length) {
+            if (this.lead.row < this.doc.getLength() - 1) {
+                this.moveCursorTo(this.lead.row + 1, 0);
+            }
+        }
+        else {
+            var tabSize = this.session.getTabSize();
+            var cursor = this.lead;
+            if (this.session.isTabStop(cursor) && this.doc.getLine(cursor.row).slice(cursor.column, cursor.column+tabSize).split(" ").length-1 == tabSize)
+                this.moveCursorBy(0, tabSize);
+            else
+                this.moveCursorBy(0, 1);
+        }
+    };
+    this.moveCursorLineStart = function() {
+        var row = this.lead.row;
+        var column = this.lead.column;
+        var screenRow = this.session.documentToScreenRow(row, column);
+        var firstColumnPosition = this.session.screenToDocumentPosition(screenRow, 0);
+        var beforeCursor = this.session.getDisplayLine(
+            row, null, firstColumnPosition.row,
+            firstColumnPosition.column
+        );
+
+        var leadingSpace = beforeCursor.match(/^\s*/);
+        if (leadingSpace[0].length != column && !this.session.$useEmacsStyleLineStart)
+            firstColumnPosition.column += leadingSpace[0].length;
+        this.moveCursorToPosition(firstColumnPosition);
+    };
+    this.moveCursorLineEnd = function() {
+        var lead = this.lead;
+        var lineEnd = this.session.getDocumentLastRowColumnPosition(lead.row, lead.column);
+        if (this.lead.column == lineEnd.column) {
+            var line = this.session.getLine(lineEnd.row);
+            if (lineEnd.column == line.length) {
+                var textEnd = line.search(/\s+$/);
+                if (textEnd > 0)
+                    lineEnd.column = textEnd;
+            }
+        }
+
+        this.moveCursorTo(lineEnd.row, lineEnd.column);
+    };
+    this.moveCursorFileEnd = function() {
+        var row = this.doc.getLength() - 1;
+        var column = this.doc.getLine(row).length;
+        this.moveCursorTo(row, column);
+    };
+    this.moveCursorFileStart = function() {
+        this.moveCursorTo(0, 0);
+    };
+    this.moveCursorLongWordRight = function() {
+        var row = this.lead.row;
+        var column = this.lead.column;
+        var line = this.doc.getLine(row);
+        var rightOfCursor = line.substring(column);
+
+        var match;
+        this.session.nonTokenRe.lastIndex = 0;
+        this.session.tokenRe.lastIndex = 0;
+        var fold = this.session.getFoldAt(row, column, 1);
+        if (fold) {
+            this.moveCursorTo(fold.end.row, fold.end.column);
+            return;
+        }
+        if (match = this.session.nonTokenRe.exec(rightOfCursor)) {
+            column += this.session.nonTokenRe.lastIndex;
+            this.session.nonTokenRe.lastIndex = 0;
+            rightOfCursor = line.substring(column);
+        }
+        if (column >= line.length) {
+            this.moveCursorTo(row, line.length);
+            this.moveCursorRight();
+            if (row < this.doc.getLength() - 1)
+                this.moveCursorWordRight();
+            return;
+        }
+        if (match = this.session.tokenRe.exec(rightOfCursor)) {
+            column += this.session.tokenRe.lastIndex;
+            this.session.tokenRe.lastIndex = 0;
+        }
+
+        this.moveCursorTo(row, column);
+    };
+    this.moveCursorLongWordLeft = function() {
+        var row = this.lead.row;
+        var column = this.lead.column;
+        var fold;
+        if (fold = this.session.getFoldAt(row, column, -1)) {
+            this.moveCursorTo(fold.start.row, fold.start.column);
+            return;
+        }
+
+        var str = this.session.getFoldStringAt(row, column, -1);
+        if (str == null) {
+            str = this.doc.getLine(row).substring(0, column);
+        }
+
+        var leftOfCursor = lang.stringReverse(str);
+        var match;
+        this.session.nonTokenRe.lastIndex = 0;
+        this.session.tokenRe.lastIndex = 0;
+        if (match = this.session.nonTokenRe.exec(leftOfCursor)) {
+            column -= this.session.nonTokenRe.lastIndex;
+            leftOfCursor = leftOfCursor.slice(this.session.nonTokenRe.lastIndex);
+            this.session.nonTokenRe.lastIndex = 0;
+        }
+        if (column <= 0) {
+            this.moveCursorTo(row, 0);
+            this.moveCursorLeft();
+            if (row > 0)
+                this.moveCursorWordLeft();
+            return;
+        }
+        if (match = this.session.tokenRe.exec(leftOfCursor)) {
+            column -= this.session.tokenRe.lastIndex;
+            this.session.tokenRe.lastIndex = 0;
+        }
+
+        this.moveCursorTo(row, column);
+    };
+
+    this.$shortWordEndIndex = function(rightOfCursor) {
+        var match, index = 0, ch;
+        var whitespaceRe = /\s/;
+        var tokenRe = this.session.tokenRe;
+
+        tokenRe.lastIndex = 0;
+        if (match = this.session.tokenRe.exec(rightOfCursor)) {
+            index = this.session.tokenRe.lastIndex;
+        } else {
+            while ((ch = rightOfCursor[index]) && whitespaceRe.test(ch))
+                index ++;
+
+            if (index < 1) {
+                tokenRe.lastIndex = 0;
+                 while ((ch = rightOfCursor[index]) && !tokenRe.test(ch)) {
+                    tokenRe.lastIndex = 0;
+                    index ++;
+                    if (whitespaceRe.test(ch)) {
+                        if (index > 2) {
+                            index--;
+                            break;
+                        } else {
+                            while ((ch = rightOfCursor[index]) && whitespaceRe.test(ch))
+                                index ++;
+                            if (index > 2)
+                                break;
+                        }
+                    }
+                }
+            }
+        }
+        tokenRe.lastIndex = 0;
+
+        return index;
+    };
+
+    this.moveCursorShortWordRight = function() {
+        var row = this.lead.row;
+        var column = this.lead.column;
+        var line = this.doc.getLine(row);
+        var rightOfCursor = line.substring(column);
+
+        var fold = this.session.getFoldAt(row, column, 1);
+        if (fold)
+            return this.moveCursorTo(fold.end.row, fold.end.column);
+
+        if (column == line.length) {
+            var l = this.doc.getLength();
+            do {
+                row++;
+                rightOfCursor = this.doc.getLine(row);
+            } while (row < l && /^\s*$/.test(rightOfCursor));
+
+            if (!/^\s+/.test(rightOfCursor))
+                rightOfCursor = "";
+            column = 0;
+        }
+
+        var index = this.$shortWordEndIndex(rightOfCursor);
+
+        this.moveCursorTo(row, column + index);
+    };
+
+    this.moveCursorShortWordLeft = function() {
+        var row = this.lead.row;
+        var column = this.lead.column;
+
+        var fold;
+        if (fold = this.session.getFoldAt(row, column, -1))
+            return this.moveCursorTo(fold.start.row, fold.start.column);
+
+        var line = this.session.getLine(row).substring(0, column);
+        if (column === 0) {
+            do {
+                row--;
+                line = this.doc.getLine(row);
+            } while (row > 0 && /^\s*$/.test(line));
+
+            column = line.length;
+            if (!/\s+$/.test(line))
+                line = "";
+        }
+
+        var leftOfCursor = lang.stringReverse(line);
+        var index = this.$shortWordEndIndex(leftOfCursor);
+
+        return this.moveCursorTo(row, column - index);
+    };
+
+    this.moveCursorWordRight = function() {
+        if (this.session.$selectLongWords)
+            this.moveCursorLongWordRight();
+        else
+            this.moveCursorShortWordRight();
+    };
+
+    this.moveCursorWordLeft = function() {
+        if (this.session.$selectLongWords)
+            this.moveCursorLongWordLeft();
+        else
+            this.moveCursorShortWordLeft();
+    };
+    this.moveCursorBy = function(rows, chars) {
+        var screenPos = this.session.documentToScreenPosition(
+            this.lead.row,
+            this.lead.column
+        );
+
+        if (chars === 0) {
+            if (this.$desiredColumn)
+                screenPos.column = this.$desiredColumn;
+            else
+                this.$desiredColumn = screenPos.column;
+        }
+
+        var docPos = this.session.screenToDocumentPosition(screenPos.row + rows, screenPos.column);
+
+        if (rows !== 0 && chars === 0 && docPos.row === this.lead.row && docPos.column === this.lead.column) {
+            if (this.session.lineWidgets && this.session.lineWidgets[docPos.row])
+                docPos.row++;
+        }
+        this.moveCursorTo(docPos.row, docPos.column + chars, chars === 0);
+    };
+    this.moveCursorToPosition = function(position) {
+        this.moveCursorTo(position.row, position.column);
+    };
+    this.moveCursorTo = function(row, column, keepDesiredColumn) {
+        var fold = this.session.getFoldAt(row, column, 1);
+        if (fold) {
+            row = fold.start.row;
+            column = fold.start.column;
+        }
+
+        this.$keepDesiredColumnOnChange = true;
+        this.lead.setPosition(row, column);
+        this.$keepDesiredColumnOnChange = false;
+
+        if (!keepDesiredColumn)
+            this.$desiredColumn = null;
+    };
+    this.moveCursorToScreen = function(row, column, keepDesiredColumn) {
+        var pos = this.session.screenToDocumentPosition(row, column);
+        this.moveCursorTo(pos.row, pos.column, keepDesiredColumn);
+    };
+    this.detach = function() {
+        this.lead.detach();
+        this.anchor.detach();
+        this.session = this.doc = null;
+    };
+
+    this.fromOrientedRange = function(range) {
+        this.setSelectionRange(range, range.cursor == range.start);
+        this.$desiredColumn = range.desiredColumn || this.$desiredColumn;
+    };
+
+    this.toOrientedRange = function(range) {
+        var r = this.getRange();
+        if (range) {
+            range.start.column = r.start.column;
+            range.start.row = r.start.row;
+            range.end.column = r.end.column;
+            range.end.row = r.end.row;
+        } else {
+            range = r;
+        }
+
+        range.cursor = this.isBackwards() ? range.start : range.end;
+        range.desiredColumn = this.$desiredColumn;
+        return range;
+    };
+    this.getRangeOfMovements = function(func) {
+        var start = this.getCursor();
+        try {
+            func.call(null, this);
+            var end = this.getCursor();
+            return Range.fromPoints(start,end);
+        } catch(e) {
+            return Range.fromPoints(start,start);
+        } finally {
+            this.moveCursorToPosition(start);
+        }
+    };
+
+    this.toJSON = function() {
+        if (this.rangeCount) {
+            var data = this.ranges.map(function(r) {
+                var r1 = r.clone();
+                r1.isBackwards = r.cursor == r.start;
+                return r1;
+            });
+        } else {
+            var data = this.getRange();
+            data.isBackwards = this.isBackwards();
+        }
+        return data;
+    };
+
+    this.fromJSON = function(data) {
+        if (data.start == undefined) {
+            if (this.rangeList) {
+                this.toSingleRange(data[0]);
+                for (var i = data.length; i--; ) {
+                    var r = Range.fromPoints(data[i].start, data[i].end);
+                    if (data.isBackwards)
+                        r.cursor = r.start;
+                    this.addRange(r, true);
+                }
+                return;
+            } else
+                data = data[0];
+        }
+        if (this.rangeList)
+            this.toSingleRange(data);
+        this.setSelectionRange(data, data.isBackwards);
+    };
+
+    this.isEqual = function(data) {
+        if ((data.length || this.rangeCount) && data.length != this.rangeCount)
+            return false;
+        if (!data.length || !this.ranges)
+            return this.getRange().isEqual(data);
+
+        for (var i = this.ranges.length; i--; ) {
+            if (!this.ranges[i].isEqual(data[i]))
+                return false;
+        }
+        return true;
+    };
+
+}).call(Selection.prototype);
+
+exports.Selection = Selection;
+});
+
+define("ace/tokenizer",["require","exports","module","ace/config"], function(require, exports, module) {
+"use strict";
+
+var config = require("./config");
+var MAX_TOKEN_COUNT = 2000;
+var Tokenizer = function(rules) {
+    this.states = rules;
+
+    this.regExps = {};
+    this.matchMappings = {};
+    for (var key in this.states) {
+        var state = this.states[key];
+        var ruleRegExps = [];
+        var matchTotal = 0;
+        var mapping = this.matchMappings[key] = {defaultToken: "text"};
+        var flag = "g";
+
+        var splitterRurles = [];
+        for (var i = 0; i < state.length; i++) {
+            var rule = state[i];
+            if (rule.defaultToken)
+                mapping.defaultToken = rule.defaultToken;
+            if (rule.caseInsensitive)
+                flag = "gi";
+            if (rule.regex == null)
+                continue;
+
+            if (rule.regex instanceof RegExp)
+                rule.regex = rule.regex.toString().slice(1, -1);
+            var adjustedregex = rule.regex;
+            var matchcount = new RegExp("(?:(" + adjustedregex + ")|(.))").exec("a").length - 2;
+            if (Array.isArray(rule.token)) {
+                if (rule.token.length == 1 || matchcount == 1) {
+                    rule.token = rule.token[0];
+                } else if (matchcount - 1 != rule.token.length) {
+                    this.reportError("number of classes and regexp groups doesn't match", {
+                        rule: rule,
+                        groupCount: matchcount - 1
+                    });
+                    rule.token = rule.token[0];
+                } else {
+                    rule.tokenArray = rule.token;
+                    rule.token = null;
+                    rule.onMatch = this.$arrayTokens;
+                }
+            } else if (typeof rule.token == "function" && !rule.onMatch) {
+                if (matchcount > 1)
+                    rule.onMatch = this.$applyToken;
+                else
+                    rule.onMatch = rule.token;
+            }
+
+            if (matchcount > 1) {
+                if (/\\\d/.test(rule.regex)) {
+                    adjustedregex = rule.regex.replace(/\\([0-9]+)/g, function(match, digit) {
+                        return "\\" + (parseInt(digit, 10) + matchTotal + 1);
+                    });
+                } else {
+                    matchcount = 1;
+                    adjustedregex = this.removeCapturingGroups(rule.regex);
+                }
+                if (!rule.splitRegex && typeof rule.token != "string")
+                    splitterRurles.push(rule); // flag will be known only at the very end
+            }
+
+            mapping[matchTotal] = i;
+            matchTotal += matchcount;
+
+            ruleRegExps.push(adjustedregex);
+            if (!rule.onMatch)
+                rule.onMatch = null;
+        }
+
+        if (!ruleRegExps.length) {
+            mapping[0] = 0;
+            ruleRegExps.push("$");
+        }
+
+        splitterRurles.forEach(function(rule) {
+            rule.splitRegex = this.createSplitterRegexp(rule.regex, flag);
+        }, this);
+
+        this.regExps[key] = new RegExp("(" + ruleRegExps.join(")|(") + ")|($)", flag);
+    }
+};
+
+(function() {
+    this.$setMaxTokenCount = function(m) {
+        MAX_TOKEN_COUNT = m | 0;
+    };
+
+    this.$applyToken = function(str) {
+        var values = this.splitRegex.exec(str).slice(1);
+        var types = this.token.apply(this, values);
+        if (typeof types === "string")
+            return [{type: types, value: str}];
+
+        var tokens = [];
+        for (var i = 0, l = types.length; i < l; i++) {
+            if (values[i])
+                tokens[tokens.length] = {
+                    type: types[i],
+                    value: values[i]
+                };
+        }
+        return tokens;
+    },
+
+    this.$arrayTokens = function(str) {
+        if (!str)
+            return [];
+        var values = this.splitRegex.exec(str);
+        if (!values)
+            return "text";
+        var tokens = [];
+        var types = this.tokenArray;
+        for (var i = 0, l = types.length; i < l; i++) {
+            if (values[i + 1])
+                tokens[tokens.length] = {
+                    type: types[i],
+                    value: values[i + 1]
+                };
+        }
+        return tokens;
+    };
+
+    this.removeCapturingGroups = function(src) {
+        var r = src.replace(
+            /\[(?:\\.|[^\]])*?\]|\\.|\(\?[:=!]|(\()/g,
+            function(x, y) {return y ? "(?:" : x;}
+        );
+        return r;
+    };
+
+    this.createSplitterRegexp = function(src, flag) {
+        if (src.indexOf("(?=") != -1) {
+            var stack = 0;
+            var inChClass = false;
+            var lastCapture = {};
+            src.replace(/(\\.)|(\((?:\?[=!])?)|(\))|([\[\]])/g, function(
+                m, esc, parenOpen, parenClose, square, index
+            ) {
+                if (inChClass) {
+                    inChClass = square != "]";
+                } else if (square) {
+                    inChClass = true;
+                } else if (parenClose) {
+                    if (stack == lastCapture.stack) {
+                        lastCapture.end = index+1;
+                        lastCapture.stack = -1;
+                    }
+                    stack--;
+                } else if (parenOpen) {
+                    stack++;
+                    if (parenOpen.length != 1) {
+                        lastCapture.stack = stack
+                        lastCapture.start = index;
+                    }
+                }
+                return m;
+            });
+
+            if (lastCapture.end != null && /^\)*$/.test(src.substr(lastCapture.end)))
+                src = src.substring(0, lastCapture.start) + src.substr(lastCapture.end);
+        }
+        return new RegExp(src, (flag||"").replace("g", ""));
+    };
+    this.getLineTokens = function(line, startState) {
+        if (startState && typeof startState != "string") {
+            var stack = startState.slice(0);
+            startState = stack[0];
+            if (startState === "#tmp") {
+                stack.shift()
+                startState = stack.shift()
+            }
+        } else
+            var stack = [];
+
+        var currentState = startState || "start";
+        var state = this.states[currentState];
+        if (!state) {
+            currentState = "start";
+            state = this.states[currentState];
+        }
+        var mapping = this.matchMappings[currentState];
+        var re = this.regExps[currentState];
+        re.lastIndex = 0;
+
+        var match, tokens = [];
+        var lastIndex = 0;
+        var matchAttempts = 0;
+
+        var token = {type: null, value: ""};
+
+        while (match = re.exec(line)) {
+            var type = mapping.defaultToken;
+            var rule = null;
+            var value = match[0];
+            var index = re.lastIndex;
+
+            if (index - value.length > lastIndex) {
+                var skipped = line.substring(lastIndex, index - value.length);
+                if (token.type == type) {
+                    token.value += skipped;
+                } else {
+                    if (token.type)
+                        tokens.push(token);
+                    token = {type: type, value: skipped};
+                }
+            }
+
+            for (var i = 0; i < match.length-2; i++) {
+                if (match[i + 1] === undefined)
+                    continue;
+
+                rule = state[mapping[i]];
+
+                if (rule.onMatch)
+                    type = rule.onMatch(value, currentState, stack);
+                else
+                    type = rule.token;
+
+                if (rule.next) {
+                    if (typeof rule.next == "string") {
+                        currentState = rule.next;
+                    } else {
+                        currentState = rule.next(currentState, stack);
+                    }
+
+                    state = this.states[currentState];
+                    if (!state) {
+                        this.reportError("state doesn't exist", currentState);
+                        currentState = "start";
+                        state = this.states[currentState];
+                    }
+                    mapping = this.matchMappings[currentState];
+                    lastIndex = index;
+                    re = this.regExps[currentState];
+                    re.lastIndex = index;
+                }
+                break;
+            }
+
+            if (value) {
+                if (typeof type === "string") {
+                    if ((!rule || rule.merge !== false) && token.type === type) {
+                        token.value += value;
+                    } else {
+                        if (token.type)
+                            tokens.push(token);
+                        token = {type: type, value: value};
+                    }
+                } else if (type) {
+                    if (token.type)
+                        tokens.push(token);
+                    token = {type: null, value: ""};
+                    for (var i = 0; i < type.length; i++)
+                        tokens.push(type[i]);
+                }
+            }
+
+            if (lastIndex == line.length)
+                break;
+
+            lastIndex = index;
+
+            if (matchAttempts++ > MAX_TOKEN_COUNT) {
+                if (matchAttempts > 2 * line.length) {
+                    this.reportError("infinite loop with in ace tokenizer", {
+                        startState: startState,
+                        line: line
+                    });
+                }
+                while (lastIndex < line.length) {
+                    if (token.type)
+                        tokens.push(token);
+                    token = {
+                        value: line.substring(lastIndex, lastIndex += 2000),
+                        type: "overflow"
+                    };
+                }
+                currentState = "start";
+                stack = [];
+                break;
+            }
+        }
+
+        if (token.type)
+            tokens.push(token);
+
+        if (stack.length > 1) {
+            if (stack[0] !== currentState)
+                stack.unshift("#tmp", currentState);
+        }
+        return {
+            tokens : tokens,
+            state : stack.length ? stack : currentState
+        };
+    };
+
+    this.reportError = config.reportError;
+
+}).call(Tokenizer.prototype);
+
+exports.Tokenizer = Tokenizer;
+});
+
+define("ace/mode/text_highlight_rules",["require","exports","module","ace/lib/lang"], function(require, exports, module) {
+"use strict";
+
+var lang = require("../lib/lang");
+
+var TextHighlightRules = function() {
+
+    this.$rules = {
+        "start" : [{
+            token : "empty_line",
+            regex : '^$'
+        }, {
+            defaultToken : "text"
+        }]
+    };
+};
+
+(function() {
+
+    this.addRules = function(rules, prefix) {
+        if (!prefix) {
+            for (var key in rules)
+                this.$rules[key] = rules[key];
+            return;
+        }
+        for (var key in rules) {
+            var state = rules[key];
+            for (var i = 0; i < state.length; i++) {
+                var rule = state[i];
+                if (rule.next || rule.onMatch) {
+                    if (typeof rule.next != "string") {
+                        if (rule.nextState && rule.nextState.indexOf(prefix) !== 0)
+                            rule.nextState = prefix + rule.nextState;
+                    } else {
+                        if (rule.next.indexOf(prefix) !== 0)
+                            rule.next = prefix + rule.next;
+                    }
+                }
+            }
+            this.$rules[prefix + key] = state;
+        }
+    };
+
+    this.getRules = function() {
+        return this.$rules;
+    };
+
+    this.embedRules = function (HighlightRules, prefix, escapeRules, states, append) {
+        var embedRules = typeof HighlightRules == "function"
+            ? new HighlightRules().getRules()
+            : HighlightRules;
+        if (states) {
+            for (var i = 0; i < states.length; i++)
+                states[i] = prefix + states[i];
+        } else {
+            states = [];
+            for (var key in embedRules)
+                states.push(prefix + key);
+        }
+
+        this.addRules(embedRules, prefix);
+
+        if (escapeRules) {
+            var addRules = Array.prototype[append ? "push" : "unshift"];
+            for (var i = 0; i < states.length; i++)
+                addRules.apply(this.$rules[states[i]], lang.deepCopy(escapeRules));
+        }
+
+        if (!this.$embeds)
+            this.$embeds = [];
+        this.$embeds.push(prefix);
+    };
+
+    this.getEmbeds = function() {
+        return this.$embeds;
+    };
+
+    var pushState = function(currentState, stack) {
+        if (currentState != "start" || stack.length)
+            stack.unshift(this.nextState, currentState);
+        return this.nextState;
+    };
+    var popState = function(currentState, stack) {
+        stack.shift();
+        return stack.shift() || "start";
+    };
+
+    this.normalizeRules = function() {
+        var id = 0;
+        var rules = this.$rules;
+        function processState(key) {
+            var state = rules[key];
+            state.processed = true;
+            for (var i = 0; i < state.length; i++) {
+                var rule = state[i];
+                if (!rule.regex && rule.start) {
+                    rule.regex = rule.start;
+                    if (!rule.next)
+                        rule.next = [];
+                    rule.next.push({
+                        defaultToken: rule.token
+                    }, {
+                        token: rule.token + ".end",
+                        regex: rule.end || rule.start,
+                        next: "pop"
+                    });
+                    rule.token = rule.token + ".start";
+                    rule.push = true;
+                }
+                var next = rule.next || rule.push;
+                if (next && Array.isArray(next)) {
+                    var stateName = rule.stateName;
+                    if (!stateName)  {
+                        stateName = rule.token;
+                        if (typeof stateName != "string")
+                            stateName = stateName[0] || "";
+                        if (rules[stateName])
+                            stateName += id++;
+                    }
+                    rules[stateName] = next;
+                    rule.next = stateName;
+                    processState(stateName);
+                } else if (next == "pop") {
+                    rule.next = popState;
+                }
+
+                if (rule.push) {
+                    rule.nextState = rule.next || rule.push;
+                    rule.next = pushState;
+                    delete rule.push;
+                }
+
+                if (rule.rules) {
+                    for (var r in rule.rules) {
+                        if (rules[r]) {
+                            if (rules[r].push)
+                                rules[r].push.apply(rules[r], rule.rules[r]);
+                        } else {
+                            rules[r] = rule.rules[r];
+                        }
+                    }
+                }
+                if (rule.include || typeof rule == "string") {
+                    var includeName = rule.include || rule;
+                    var toInsert = rules[includeName];
+                } else if (Array.isArray(rule))
+                    toInsert = rule;
+
+                if (toInsert) {
+                    var args = [i, 1].concat(toInsert);
+                    if (rule.noEscape)
+                        args = args.filter(function(x) {return !x.next;});
+                    state.splice.apply(state, args);
+                    i--;
+                    toInsert = null;
+                }
+
+                if (rule.keywordMap) {
+                    rule.token = this.createKeywordMapper(
+                        rule.keywordMap, rule.defaultToken || "text", rule.caseInsensitive
+                    );
+                    delete rule.defaultToken;
+                }
+            }
+        }
+        Object.keys(rules).forEach(processState, this);
+    };
+
+    this.createKeywordMapper = function(map, defaultToken, ignoreCase, splitChar) {
+        var keywords = Object.create(null);
+        Object.keys(map).forEach(function(className) {
+            var a = map[className];
+            if (ignoreCase)
+                a = a.toLowerCase();
+            var list = a.split(splitChar || "|");
+            for (var i = list.length; i--; )
+                keywords[list[i]] = className;
+        });
+        if (Object.getPrototypeOf(keywords)) {
+            keywords.__proto__ = null;
+        }
+        this.$keywordList = Object.keys(keywords);
+        map = null;
+        return ignoreCase
+            ? function(value) {return keywords[value.toLowerCase()] || defaultToken }
+            : function(value) {return keywords[value] || defaultToken };
+    };
+
+    this.getKeywords = function() {
+        return this.$keywords;
+    };
+
+}).call(TextHighlightRules.prototype);
+
+exports.TextHighlightRules = TextHighlightRules;
+});
+
+define("ace/mode/behaviour",["require","exports","module"], function(require, exports, module) {
+"use strict";
+
+var Behaviour = function() {
+   this.$behaviours = {};
+};
+
+(function () {
+
+    this.add = function (name, action, callback) {
+        switch (undefined) {
+          case this.$behaviours:
+              this.$behaviours = {};
+          case this.$behaviours[name]:
+              this.$behaviours[name] = {};
+        }
+        this.$behaviours[name][action] = callback;
+    }
+
+    this.addBehaviours = function (behaviours) {
+        for (var key in behaviours) {
+            for (var action in behaviours[key]) {
+                this.add(key, action, behaviours[key][action]);
+            }
+        }
+    }
+
+    this.remove = function (name) {
+        if (this.$behaviours && this.$behaviours[name]) {
+            delete this.$behaviours[name];
+        }
+    }
+
+    this.inherit = function (mode, filter) {
+        if (typeof mode === "function") {
+            var behaviours = new mode().getBehaviours(filter);
+        } else {
+            var behaviours = mode.getBehaviours(filter);
+        }
+        this.addBehaviours(behaviours);
+    }
+
+    this.getBehaviours = function (filter) {
+        if (!filter) {
+            return this.$behaviours;
+        } else {
+            var ret = {}
+            for (var i = 0; i < filter.length; i++) {
+                if (this.$behaviours[filter[i]]) {
+                    ret[filter[i]] = this.$behaviours[filter[i]];
+                }
+            }
+            return ret;
+        }
+    }
+
+}).call(Behaviour.prototype);
+
+exports.Behaviour = Behaviour;
+});
+
+define("ace/unicode",["require","exports","module"], function(require, exports, module) {
+"use strict";
+exports.packages = {};
+
+addUnicodePackage({
+    L:  "0041-005A0061-007A00AA00B500BA00C0-00D600D8-00F600F8-02C102C6-02D102E0-02E402EC02EE0370-037403760377037A-037D03860388-038A038C038E-03A103A3-03F503F7-0481048A-05250531-055605590561-058705D0-05EA05F0-05F20621-064A066E066F0671-06D306D506E506E606EE06EF06FA-06FC06FF07100712-072F074D-07A507B107CA-07EA07F407F507FA0800-0815081A082408280904-0939093D09500958-0961097109720979-097F0985-098C098F09900993-09A809AA-09B009B209B6-09B909BD09CE09DC09DD09DF-09E109F009F10A05-0A0A0A0F0A100A13-0A280A2A-0A300A320A330A350A360A380A390A59-0A5C0A5E0A72-0A740A85-0A8D0A8F-0A910A93-0AA80AAA-0AB00AB20AB30AB5-0AB90ABD0AD00AE00AE10B05-0B0C0B0F0B100B13-0B280B2A-0B300B320B330B35-0B390B3D0B5C0B5D0B5F-0B610B710B830B85-0B8A0B8E-0B900B92-0B950B990B9A0B9C0B9E0B9F0BA30BA40BA8-0BAA0BAE-0BB90BD00C05-0C0C0C0E-0C100C12-0C280C2A-0C330C35-0C390C3D0C580C590C600C610C85-0C8C0C8E-0C900C92-0CA80CAA-0CB30CB5-0CB90CBD0CDE0CE00CE10D05-0D0C0D0E-0D100D12-0D280D2A-0D390D3D0D600D610D7A-0D7F0D85-0D960D9A-0DB10DB3-0DBB0DBD0DC0-0DC60E01-0E300E320E330E40-0E460E810E820E840E870E880E8A0E8D0E94-0E970E99-0E9F0EA1-0EA30EA50EA70EAA0EAB0EAD-0EB00EB20EB30EBD0EC0-0EC40EC60EDC0EDD0F000F40-0F470F49-0F6C0F88-0F8B1000-102A103F1050-1055105A-105D106110651066106E-10701075-1081108E10A0-10C510D0-10FA10FC1100-1248124A-124D1250-12561258125A-125D1260-1288128A-128D1290-12B012B2-12B512B8-12BE12C012C2-12C512C8-12D612D8-13101312-13151318-135A1380-138F13A0-13F41401-166C166F-167F1681-169A16A0-16EA1700-170C170E-17111720-17311740-17511760-176C176E-17701780-17B317D717DC1820-18771880-18A818AA18B0-18F51900-191C1950-196D1970-19741980-19AB19C1-19C71A00-1A161A20-1A541AA71B05-1B331B45-1B4B1B83-1BA01BAE1BAF1C00-1C231C4D-1C4F1C5A-1C7D1CE9-1CEC1CEE-1CF11D00-1DBF1E00-1F151F18-1F1D1F20-1F451F48-1F4D1F50-1F571F591F5B1F5D1F5F-1F7D1F80-1FB41FB6-1FBC1FBE1FC2-1FC41FC6-1FCC1FD0-1FD31FD6-1FDB1FE0-1FEC1FF2-1FF41FF6-1FFC2071207F2090-209421022107210A-211321152119-211D212421262128212A-212D212F-2139213C-213F2145-2149214E218321842C00-2C2E2C30-2C5E2C60-2CE42CEB-2CEE2D00-2D252D30-2D652D6F2D80-2D962DA0-2DA62DA8-2DAE2DB0-2DB62DB8-2DBE2DC0-2DC62DC8-2DCE2DD0-2DD62DD8-2DDE2E2F300530063031-3035303B303C3041-3096309D-309F30A1-30FA30FC-30FF3105-312D3131-318E31A0-31B731F0-31FF3400-4DB54E00-9FCBA000-A48CA4D0-A4FDA500-A60CA610-A61FA62AA62BA640-A65FA662-A66EA67F-A697A6A0-A6E5A717-A71FA722-A788A78BA78CA7FB-A801A803-A805A807-A80AA80C-A822A840-A873A882-A8B3A8F2-A8F7A8FBA90A-A925A930-A946A960-A97CA984-A9B2A9CFAA00-AA28AA40-AA42AA44-AA4BAA60-AA76AA7AAA80-AAAFAAB1AAB5AAB6AAB9-AABDAAC0AAC2AADB-AADDABC0-ABE2AC00-D7A3D7B0-D7C6D7CB-D7FBF900-FA2DFA30-FA6DFA70-FAD9FB00-FB06FB13-FB17FB1DFB1F-FB28FB2A-FB36FB38-FB3CFB3EFB40FB41FB43FB44FB46-FBB1FBD3-FD3DFD50-FD8FFD92-FDC7FDF0-FDFBFE70-FE74FE76-FEFCFF21-FF3AFF41-FF5AFF66-FFBEFFC2-FFC7FFCA-FFCFFFD2-FFD7FFDA-FFDC",
+    Ll: "0061-007A00AA00B500BA00DF-00F600F8-00FF01010103010501070109010B010D010F01110113011501170119011B011D011F01210123012501270129012B012D012F01310133013501370138013A013C013E014001420144014601480149014B014D014F01510153015501570159015B015D015F01610163016501670169016B016D016F0171017301750177017A017C017E-0180018301850188018C018D019201950199-019B019E01A101A301A501A801AA01AB01AD01B001B401B601B901BA01BD-01BF01C601C901CC01CE01D001D201D401D601D801DA01DC01DD01DF01E101E301E501E701E901EB01ED01EF01F001F301F501F901FB01FD01FF02010203020502070209020B020D020F02110213021502170219021B021D021F02210223022502270229022B022D022F02310233-0239023C023F0240024202470249024B024D024F-02930295-02AF037103730377037B-037D039003AC-03CE03D003D103D5-03D703D903DB03DD03DF03E103E303E503E703E903EB03ED03EF-03F303F503F803FB03FC0430-045F04610463046504670469046B046D046F04710473047504770479047B047D047F0481048B048D048F04910493049504970499049B049D049F04A104A304A504A704A904AB04AD04AF04B104B304B504B704B904BB04BD04BF04C204C404C604C804CA04CC04CE04CF04D104D304D504D704D904DB04DD04DF04E104E304E504E704E904EB04ED04EF04F104F304F504F704F904FB04FD04FF05010503050505070509050B050D050F05110513051505170519051B051D051F0521052305250561-05871D00-1D2B1D62-1D771D79-1D9A1E011E031E051E071E091E0B1E0D1E0F1E111E131E151E171E191E1B1E1D1E1F1E211E231E251E271E291E2B1E2D1E2F1E311E331E351E371E391E3B1E3D1E3F1E411E431E451E471E491E4B1E4D1E4F1E511E531E551E571E591E5B1E5D1E5F1E611E631E651E671E691E6B1E6D1E6F1E711E731E751E771E791E7B1E7D1E7F1E811E831E851E871E891E8B1E8D1E8F1E911E931E95-1E9D1E9F1EA11EA31EA51EA71EA91EAB1EAD1EAF1EB11EB31EB51EB71EB91EBB1EBD1EBF1EC11EC31EC51EC71EC91ECB1ECD1ECF1ED11ED31ED51ED71ED91EDB1EDD1EDF1EE11EE31EE51EE71EE91EEB1EED1EEF1EF11EF31EF51EF71EF91EFB1EFD1EFF-1F071F10-1F151F20-1F271F30-1F371F40-1F451F50-1F571F60-1F671F70-1F7D1F80-1F871F90-1F971FA0-1FA71FB0-1FB41FB61FB71FBE1FC2-1FC41FC61FC71FD0-1FD31FD61FD71FE0-1FE71FF2-1FF41FF61FF7210A210E210F2113212F21342139213C213D2146-2149214E21842C30-2C5E2C612C652C662C682C6A2C6C2C712C732C742C76-2C7C2C812C832C852C872C892C8B2C8D2C8F2C912C932C952C972C992C9B2C9D2C9F2CA12CA32CA52CA72CA92CAB2CAD2CAF2CB12CB32CB52CB72CB92CBB2CBD2CBF2CC12CC32CC52CC72CC92CCB2CCD2CCF2CD12CD32CD52CD72CD92CDB2CDD2CDF2CE12CE32CE42CEC2CEE2D00-2D25A641A643A645A647A649A64BA64DA64FA651A653A655A657A659A65BA65DA65FA663A665A667A669A66BA66DA681A683A685A687A689A68BA68DA68FA691A693A695A697A723A725A727A729A72BA72DA72F-A731A733A735A737A739A73BA73DA73FA741A743A745A747A749A74BA74DA74FA751A753A755A757A759A75BA75DA75FA761A763A765A767A769A76BA76DA76FA771-A778A77AA77CA77FA781A783A785A787A78CFB00-FB06FB13-FB17FF41-FF5A",
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+    Co: "E000-F8FF",
+    Cs: "D800-DFFF",
+    Cn: "03780379037F-0383038B038D03A20526-05300557055805600588058B-059005C8-05CF05EB-05EF05F5-05FF06040605061C061D0620065F070E074B074C07B2-07BF07FB-07FF082E082F083F-08FF093A093B094F095609570973-097809800984098D098E0991099209A909B109B3-09B509BA09BB09C509C609C909CA09CF-09D609D8-09DB09DE09E409E509FC-0A000A040A0B-0A0E0A110A120A290A310A340A370A3A0A3B0A3D0A43-0A460A490A4A0A4E-0A500A52-0A580A5D0A5F-0A650A76-0A800A840A8E0A920AA90AB10AB40ABA0ABB0AC60ACA0ACE0ACF0AD1-0ADF0AE40AE50AF00AF2-0B000B040B0D0B0E0B110B120B290B310B340B3A0B3B0B450B460B490B4A0B4E-0B550B58-0B5B0B5E0B640B650B72-0B810B840B8B-0B8D0B910B96-0B980B9B0B9D0BA0-0BA20BA5-0BA70BAB-0BAD0BBA-0BBD0BC3-0BC50BC90BCE0BCF0BD1-0BD60BD8-0BE50BFB-0C000C040C0D0C110C290C340C3A-0C3C0C450C490C4E-0C540C570C5A-0C5F0C640C650C70-0C770C800C810C840C8D0C910CA90CB40CBA0CBB0CC50CC90CCE-0CD40CD7-0CDD0CDF0CE40CE50CF00CF3-0D010D040D0D0D110D290D3A-0D3C0D450D490D4E-0D560D58-0D5F0D640D650D76-0D780D800D810D840D97-0D990DB20DBC0DBE0DBF0DC7-0DC90DCB-0DCE0DD50DD70DE0-0DF10DF5-0E000E3B-0E3E0E5C-0E800E830E850E860E890E8B0E8C0E8E-0E930E980EA00EA40EA60EA80EA90EAC0EBA0EBE0EBF0EC50EC70ECE0ECF0EDA0EDB0EDE-0EFF0F480F6D-0F700F8C-0F8F0F980FBD0FCD0FD9-0FFF10C6-10CF10FD-10FF1249124E124F12571259125E125F1289128E128F12B112B612B712BF12C112C612C712D7131113161317135B-135E137D-137F139A-139F13F5-13FF169D-169F16F1-16FF170D1715-171F1737-173F1754-175F176D17711774-177F17DE17DF17EA-17EF17FA-17FF180F181A-181F1878-187F18AB-18AF18F6-18FF191D-191F192C-192F193C-193F1941-1943196E196F1975-197F19AC-19AF19CA-19CF19DB-19DD1A1C1A1D1A5F1A7D1A7E1A8A-1A8F1A9A-1A9F1AAE-1AFF1B4C-1B4F1B7D-1B7F1BAB-1BAD1BBA-1BFF1C38-1C3A1C4A-1C4C1C80-1CCF1CF3-1CFF1DE7-1DFC1F161F171F1E1F1F1F461F471F4E1F4F1F581F5A1F5C1F5E1F7E1F7F1FB51FC51FD41FD51FDC1FF01FF11FF51FFF2065-206920722073208F2095-209F20B9-20CF20F1-20FF218A-218F23E9-23FF2427-243F244B-245F26CE26E226E4-26E727002705270A270B2728274C274E2753-2755275F27602795-279727B027BF27CB27CD-27CF2B4D-2B4F2B5A-2BFF2C2F2C5F2CF2-2CF82D26-2D2F2D66-2D6E2D70-2D7F2D97-2D9F2DA72DAF2DB72DBF2DC72DCF2DD72DDF2E32-2E7F2E9A2EF4-2EFF2FD6-2FEF2FFC-2FFF3040309730983100-3104312E-3130318F31B8-31BF31E4-31EF321F32FF4DB6-4DBF9FCC-9FFFA48D-A48FA4C7-A4CFA62C-A63FA660A661A674-A67BA698-A69FA6F8-A6FFA78D-A7FAA82C-A82FA83A-A83FA878-A87FA8C5-A8CDA8DA-A8DFA8FC-A8FFA954-A95EA97D-A97FA9CEA9DA-A9DDA9E0-A9FFAA37-AA3FAA4EAA4FAA5AAA5BAA7C-AA7FAAC3-AADAAAE0-ABBFABEEABEFABFA-ABFFD7A4-D7AFD7C7-D7CAD7FC-D7FFFA2EFA2FFA6EFA6FFADA-FAFFFB07-FB12FB18-FB1CFB37FB3DFB3FFB42FB45FBB2-FBD2FD40-FD4FFD90FD91FDC8-FDEFFDFEFDFFFE1A-FE1FFE27-FE2FFE53FE67FE6C-FE6FFE75FEFDFEFEFF00FFBF-FFC1FFC8FFC9FFD0FFD1FFD8FFD9FFDD-FFDFFFE7FFEF-FFF8FFFEFFFF"
+});
+
+function addUnicodePackage (pack) {
+    var codePoint = /\w{4}/g;
+    for (var name in pack)
+        exports.packages[name] = pack[name].replace(codePoint, "\\u$&");
+};
+
+});
+
+define("ace/token_iterator",["require","exports","module"], function(require, exports, module) {
+"use strict";
+var TokenIterator = function(session, initialRow, initialColumn) {
+    this.$session = session;
+    this.$row = initialRow;
+    this.$rowTokens = session.getTokens(initialRow);
+
+    var token = session.getTokenAt(initialRow, initialColumn);
+    this.$tokenIndex = token ? token.index : -1;
+};
+
+(function() {
+    this.stepBackward = function() {
+        this.$tokenIndex -= 1;
+
+        while (this.$tokenIndex < 0) {
+            this.$row -= 1;
+            if (this.$row < 0) {
+                this.$row = 0;
+                return null;
+            }
+
+            this.$rowTokens = this.$session.getTokens(this.$row);
+            this.$tokenIndex = this.$rowTokens.length - 1;
+        }
+
+        return this.$rowTokens[this.$tokenIndex];
+    };
+    this.stepForward = function() {
+        this.$tokenIndex += 1;
+        var rowCount;
+        while (this.$tokenIndex >= this.$rowTokens.length) {
+            this.$row += 1;
+            if (!rowCount)
+                rowCount = this.$session.getLength();
+            if (this.$row >= rowCount) {
+                this.$row = rowCount - 1;
+                return null;
+            }
+
+            this.$rowTokens = this.$session.getTokens(this.$row);
+            this.$tokenIndex = 0;
+        }
+
+        return this.$rowTokens[this.$tokenIndex];
+    };
+    this.getCurrentToken = function () {
+        return this.$rowTokens[this.$tokenIndex];
+    };
+    this.getCurrentTokenRow = function () {
+        return this.$row;
+    };
+    this.getCurrentTokenColumn = function() {
+        var rowTokens = this.$rowTokens;
+        var tokenIndex = this.$tokenIndex;
+        var column = rowTokens[tokenIndex].start;
+        if (column !== undefined)
+            return column;
+
+        column = 0;
+        while (tokenIndex > 0) {
+            tokenIndex -= 1;
+            column += rowTokens[tokenIndex].value.length;
+        }
+
+        return column;
+    };
+
+}).call(TokenIterator.prototype);
+
+exports.TokenIterator = TokenIterator;
+});
+
+define("ace/mode/text",["require","exports","module","ace/tokenizer","ace/mode/text_highlight_rules","ace/mode/behaviour","ace/unicode","ace/lib/lang","ace/token_iterator","ace/range"], function(require, exports, module) {
+"use strict";
+
+var Tokenizer = require("../tokenizer").Tokenizer;
+var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;
+var Behaviour = require("./behaviour").Behaviour;
+var unicode = require("../unicode");
+var lang = require("../lib/lang");
+var TokenIterator = require("../token_iterator").TokenIterator;
+var Range = require("../range").Range;
+
+var Mode = function() {
+    this.HighlightRules = TextHighlightRules;
+    this.$behaviour = new Behaviour();
+};
+
+(function() {
+
+    this.tokenRe = new RegExp("^["
+        + unicode.packages.L
+        + unicode.packages.Mn + unicode.packages.Mc
+        + unicode.packages.Nd
+        + unicode.packages.Pc + "\\$_]+", "g"
+    );
+
+    this.nonTokenRe = new RegExp("^(?:[^"
+        + unicode.packages.L
+        + unicode.packages.Mn + unicode.packages.Mc
+        + unicode.packages.Nd
+        + unicode.packages.Pc + "\\$_]|\\s])+", "g"
+    );
+
+    this.getTokenizer = function() {
+        if (!this.$tokenizer) {
+            this.$highlightRules = this.$highlightRules || new this.HighlightRules();
+            this.$tokenizer = new Tokenizer(this.$highlightRules.getRules());
+        }
+        return this.$tokenizer;
+    };
+
+    this.lineCommentStart = "";
+    this.blockComment = "";
+
+    this.toggleCommentLines = function(state, session, startRow, endRow) {
+        var doc = session.doc;
+
+        var ignoreBlankLines = true;
+        var shouldRemove = true;
+        var minIndent = Infinity;
+        var tabSize = session.getTabSize();
+        var insertAtTabStop = false;
+
+        if (!this.lineCommentStart) {
+            if (!this.blockComment)
+                return false;
+            var lineCommentStart = this.blockComment.start;
+            var lineCommentEnd = this.blockComment.end;
+            var regexpStart = new RegExp("^(\\s*)(?:" + lang.escapeRegExp(lineCommentStart) + ")");
+            var regexpEnd = new RegExp("(?:" + lang.escapeRegExp(lineCommentEnd) + ")\\s*$");
+
+            var comment = function(line, i) {
+                if (testRemove(line, i))
+                    return;
+                if (!ignoreBlankLines || /\S/.test(line)) {
+                    doc.insertInLine({row: i, column: line.length}, lineCommentEnd);
+                    doc.insertInLine({row: i, column: minIndent}, lineCommentStart);
+                }
+            };
+
+            var uncomment = function(line, i) {
+                var m;
+                if (m = line.match(regexpEnd))
+                    doc.removeInLine(i, line.length - m[0].length, line.length);
+                if (m = line.match(regexpStart))
+                    doc.removeInLine(i, m[1].length, m[0].length);
+            };
+
+            var testRemove = function(line, row) {
+                if (regexpStart.test(line))
+                    return true;
+                var tokens = session.getTokens(row);
+                for (var i = 0; i < tokens.length; i++) {
+                    if (tokens[i].type === 'comment')
+                        return true;
+                }
+            };
+        } else {
+            if (Array.isArray(this.lineCommentStart)) {
+                var regexpStart = this.lineCommentStart.map(lang.escapeRegExp).join("|");
+                var lineCommentStart = this.lineCommentStart[0];
+            } else {
+                var regexpStart = lang.escapeRegExp(this.lineCommentStart);
+                var lineCommentStart = this.lineCommentStart;
+            }
+            regexpStart = new RegExp("^(\\s*)(?:" + regexpStart + ") ?");
+
+            insertAtTabStop = session.getUseSoftTabs();
+
+            var uncomment = function(line, i) {
+                var m = line.match(regexpStart);
+                if (!m) return;
+                var start = m[1].length, end = m[0].length;
+                if (!shouldInsertSpace(line, start, end) && m[0][end - 1] == " ")
+                    end--;
+                doc.removeInLine(i, start, end);
+            };
+            var commentWithSpace = lineCommentStart + " ";
+            var comment = function(line, i) {
+                if (!ignoreBlankLines || /\S/.test(line)) {
+                    if (shouldInsertSpace(line, minIndent, minIndent))
+                        doc.insertInLine({row: i, column: minIndent}, commentWithSpace);
+                    else
+                        doc.insertInLine({row: i, column: minIndent}, lineCommentStart);
+                }
+            };
+            var testRemove = function(line, i) {
+                return regexpStart.test(line);
+            };
+
+            var shouldInsertSpace = function(line, before, after) {
+                var spaces = 0;
+                while (before-- && line.charAt(before) == " ")
+                    spaces++;
+                if (spaces % tabSize != 0)
+                    return false;
+                var spaces = 0;
+                while (line.charAt(after++) == " ")
+                    spaces++;
+                if (tabSize > 2)
+                    return spaces % tabSize != tabSize - 1;
+                else
+                    return spaces % tabSize == 0;
+                return true;
+            };
+        }
+
+        function iter(fun) {
+            for (var i = startRow; i <= endRow; i++)
+                fun(doc.getLine(i), i);
+        }
+
+
+        var minEmptyLength = Infinity;
+        iter(function(line, i) {
+            var indent = line.search(/\S/);
+            if (indent !== -1) {
+                if (indent < minIndent)
+                    minIndent = indent;
+                if (shouldRemove && !testRemove(line, i))
+                    shouldRemove = false;
+            } else if (minEmptyLength > line.length) {
+                minEmptyLength = line.length;
+            }
+        });
+
+        if (minIndent == Infinity) {
+            minIndent = minEmptyLength;
+            ignoreBlankLines = false;
+            shouldRemove = false;
+        }
+
+        if (insertAtTabStop && minIndent % tabSize != 0)
+            minIndent = Math.floor(minIndent / tabSize) * tabSize;
+
+        iter(shouldRemove ? uncomment : comment);
+    };
+
+    this.toggleBlockComment = function(state, session, range, cursor) {
+        var comment = this.blockComment;
+        if (!comment)
+            return;
+        if (!comment.start && comment[0])
+            comment = comment[0];
+
+        var iterator = new TokenIterator(session, cursor.row, cursor.column);
+        var token = iterator.getCurrentToken();
+
+        var sel = session.selection;
+        var initialRange = session.selection.toOrientedRange();
+        var startRow, colDiff;
+
+        if (token && /comment/.test(token.type)) {
+            var startRange, endRange;
+            while (token && /comment/.test(token.type)) {
+                var i = token.value.indexOf(comment.start);
+                if (i != -1) {
+                    var row = iterator.getCurrentTokenRow();
+                    var column = iterator.getCurrentTokenColumn() + i;
+                    startRange = new Range(row, column, row, column + comment.start.length);
+                    break;
+                }
+                token = iterator.stepBackward();
+            }
+
+            var iterator = new TokenIterator(session, cursor.row, cursor.column);
+            var token = iterator.getCurrentToken();
+            while (token && /comment/.test(token.type)) {
+                var i = token.value.indexOf(comment.end);
+                if (i != -1) {
+                    var row = iterator.getCurrentTokenRow();
+                    var column = iterator.getCurrentTokenColumn() + i;
+                    endRange = new Range(row, column, row, column + comment.end.length);
+                    break;
+                }
+                token = iterator.stepForward();
+            }
+            if (endRange)
+                session.remove(endRange);
+            if (startRange) {
+                session.remove(startRange);
+                startRow = startRange.start.row;
+                colDiff = -comment.start.length;
+            }
+        } else {
+            colDiff = comment.start.length;
+            startRow = range.start.row;
+            session.insert(range.end, comment.end);
+            session.insert(range.start, comment.start);
+        }
+        if (initialRange.start.row == startRow)
+            initialRange.start.column += colDiff;
+        if (initialRange.end.row == startRow)
+            initialRange.end.column += colDiff;
+        session.selection.fromOrientedRange(initialRange);
+    };
+
+    this.getNextLineIndent = function(state, line, tab) {
+        return this.$getIndent(line);
+    };
+
+    this.checkOutdent = function(state, line, input) {
+        return false;
+    };
+
+    this.autoOutdent = function(state, doc, row) {
+    };
+
+    this.$getIndent = function(line) {
+        return line.match(/^\s*/)[0];
+    };
+
+    this.createWorker = function(session) {
+        return null;
+    };
+
+    this.createModeDelegates = function (mapping) {
+        this.$embeds = [];
+        this.$modes = {};
+        for (var i in mapping) {
+            if (mapping[i]) {
+                this.$embeds.push(i);
+                this.$modes[i] = new mapping[i]();
+            }
+        }
+
+        var delegations = ['toggleBlockComment', 'toggleCommentLines', 'getNextLineIndent',
+            'checkOutdent', 'autoOutdent', 'transformAction', 'getCompletions'];
+
+        for (var i = 0; i < delegations.length; i++) {
+            (function(scope) {
+              var functionName = delegations[i];
+              var defaultHandler = scope[functionName];
+              scope[delegations[i]] = function() {
+                  return this.$delegator(functionName, arguments, defaultHandler);
+              };
+            } (this));
+        }
+    };
+
+    this.$delegator = function(method, args, defaultHandler) {
+        var state = args[0];
+        if (typeof state != "string")
+            state = state[0];
+        for (var i = 0; i < this.$embeds.length; i++) {
+            if (!this.$modes[this.$embeds[i]]) continue;
+
+            var split = state.split(this.$embeds[i]);
+            if (!split[0] && split[1]) {
+                args[0] = split[1];
+                var mode = this.$modes[this.$embeds[i]];
+                return mode[method].apply(mode, args);
+            }
+        }
+        var ret = defaultHandler.apply(this, args);
+        return defaultHandler ? ret : undefined;
+    };
+
+    this.transformAction = function(state, action, editor, session, param) {
+        if (this.$behaviour) {
+            var behaviours = this.$behaviour.getBehaviours();
+            for (var key in behaviours) {
+                if (behaviours[key][action]) {
+                    var ret = behaviours[key][action].apply(this, arguments);
+                    if (ret) {
+                        return ret;
+                    }
+                }
+            }
+        }
+    };
+
+    this.getKeywords = function(append) {
+        if (!this.completionKeywords) {
+            var rules = this.$tokenizer.rules;
+            var completionKeywords = [];
+            for (var rule in rules) {
+                var ruleItr = rules[rule];
+                for (var r = 0, l = ruleItr.length; r < l; r++) {
+                    if (typeof ruleItr[r].token === "string") {
+                        if (/keyword|support|storage/.test(ruleItr[r].token))
+                            completionKeywords.push(ruleItr[r].regex);
+                    }
+                    else if (typeof ruleItr[r].token === "object") {
+                        for (var a = 0, aLength = ruleItr[r].token.length; a < aLength; a++) {
+                            if (/keyword|support|storage/.test(ruleItr[r].token[a])) {
+                                var rule = ruleItr[r].regex.match(/\(.+?\)/g)[a];
+                                completionKeywords.push(rule.substr(1, rule.length - 2));
+                            }
+                        }
+                    }
+                }
+            }
+            this.completionKeywords = completionKeywords;
+        }
+        if (!append)
+            return this.$keywordList;
+        return completionKeywords.concat(this.$keywordList || []);
+    };
+
+    this.$createKeywordList = function() {
+        if (!this.$highlightRules)
+            this.getTokenizer();
+        return this.$keywordList = this.$highlightRules.$keywordList || [];
+    };
+
+    this.getCompletions = function(state, session, pos, prefix) {
+        var keywords = this.$keywordList || this.$createKeywordList();
+        return keywords.map(function(word) {
+            return {
+                name: word,
+                value: word,
+                score: 0,
+                meta: "keyword"
+            };
+        });
+    };
+
+    this.$id = "ace/mode/text";
+}).call(Mode.prototype);
+
+exports.Mode = Mode;
+});
+
+define("ace/anchor",["require","exports","module","ace/lib/oop","ace/lib/event_emitter"], function(require, exports, module) {
+"use strict";
+
+var oop = require("./lib/oop");
+var EventEmitter = require("./lib/event_emitter").EventEmitter;
+
+var Anchor = exports.Anchor = function(doc, row, column) {
+    this.$onChange = this.onChange.bind(this);
+    this.attach(doc);
+
+    if (typeof column == "undefined")
+        this.setPosition(row.row, row.column);
+    else
+        this.setPosition(row, column);
+};
+
+(function() {
+
+    oop.implement(this, EventEmitter);
+    this.getPosition = function() {
+        return this.$clipPositionToDocument(this.row, this.column);
+    };
+    this.getDocument = function() {
+        return this.document;
+    };
+    this.$insertRight = false;
+    this.onChange = function(e) {
+        var delta = e.data;
+        var range = delta.range;
+
+        if (range.start.row == range.end.row && range.start.row != this.row)
+            return;
+
+        if (range.start.row > this.row)
+            return;
+
+        if (range.start.row == this.row && range.start.column > this.column)
+            return;
+
+        var row = this.row;
+        var column = this.column;
+        var start = range.start;
+        var end = range.end;
+
+        if (delta.action === "insertText") {
+            if (start.row === row && start.column <= column) {
+                if (start.column === column && this.$insertRight) {
+                } else if (start.row === end.row) {
+                    column += end.column - start.column;
+                } else {
+                    column -= start.column;
+                    row += end.row - start.row;
+                }
+            } else if (start.row !== end.row && start.row < row) {
+                row += end.row - start.row;
+            }
+        } else if (delta.action === "insertLines") {
+            if (start.row === row && column === 0 && this.$insertRight) {
+            }
+            else if (start.row <= row) {
+                row += end.row - start.row;
+            }
+        } else if (delta.action === "removeText") {
+            if (start.row === row && start.column < column) {
+                if (end.column >= column)
+                    column = start.column;
+                else
+                    column = Math.max(0, column - (end.column - start.column));
+
+            } else if (start.row !== end.row && start.row < row) {
+                if (end.row === row)
+                    column = Math.max(0, column - end.column) + start.column;
+                row -= (end.row - start.row);
+            } else if (end.row === row) {
+                row -= end.row - start.row;
+                column = Math.max(0, column - end.column) + start.column;
+            }
+        } else if (delta.action == "removeLines") {
+            if (start.row <= row) {
+                if (end.row <= row)
+                    row -= end.row - start.row;
+                else {
+                    row = start.row;
+                    column = 0;
+                }
+            }
+        }
+
+        this.setPosition(row, column, true);
+    };
+    this.setPosition = function(row, column, noClip) {
+        var pos;
+        if (noClip) {
+            pos = {
+                row: row,
+                column: column
+            };
+        } else {
+            pos = this.$clipPositionToDocument(row, column);
+        }
+
+        if (this.row == pos.row && this.column == pos.column)
+            return;
+
+        var old = {
+            row: this.row,
+            column: this.column
+        };
+
+        this.row = pos.row;
+        this.column = pos.column;
+        this._signal("change", {
+            old: old,
+            value: pos
+        });
+    };
+    this.detach = function() {
+        this.document.removeEventListener("change", this.$onChange);
+    };
+    this.attach = function(doc) {
+        this.document = doc || this.document;
+        this.document.on("change", this.$onChange);
+    };
+    this.$clipPositionToDocument = function(row, column) {
+        var pos = {};
+
+        if (row >= this.document.getLength()) {
+            pos.row = Math.max(0, this.document.getLength() - 1);
+            pos.column = this.document.getLine(pos.row).length;
+        }
+        else if (row < 0) {
+            pos.row = 0;
+            pos.column = 0;
+        }
+        else {
+            pos.row = row;
+            pos.column = Math.min(this.document.getLine(pos.row).length, Math.max(0, column));
+        }
+
+        if (column < 0)
+            pos.column = 0;
+
+        return pos;
+    };
+
+}).call(Anchor.prototype);
+
+});
+
+define("ace/document",["require","exports","module","ace/lib/oop","ace/lib/event_emitter","ace/range","ace/anchor"], function(require, exports, module) {
+"use strict";
+
+var oop = require("./lib/oop");
+var EventEmitter = require("./lib/event_emitter").EventEmitter;
+var Range = require("./range").Range;
+var Anchor = require("./anchor").Anchor;
+
+var Document = function(text) {
+    this.$lines = [];
+    if (text.length === 0) {
+        this.$lines = [""];
+    } else if (Array.isArray(text)) {
+        this._insertLines(0, text);
+    } else {
+        this.insert({row: 0, column:0}, text);
+    }
+};
+
+(function() {
+
+    oop.implement(this, EventEmitter);
+    this.setValue = function(text) {
+        var len = this.getLength();
+        this.remove(new Range(0, 0, len, this.getLine(len-1).length));
+        this.insert({row: 0, column:0}, text);
+    };
+    this.getValue = function() {
+        return this.getAllLines().join(this.getNewLineCharacter());
+    };
+    this.createAnchor = function(row, column) {
+        return new Anchor(this, row, column);
+    };
+    if ("aaa".split(/a/).length === 0)
+        this.$split = function(text) {
+            return text.replace(/\r\n|\r/g, "\n").split("\n");
+        };
+    else
+        this.$split = function(text) {
+            return text.split(/\r\n|\r|\n/);
+        };
+
+
+    this.$detectNewLine = function(text) {
+        var match = text.match(/^.*?(\r\n|\r|\n)/m);
+        this.$autoNewLine = match ? match[1] : "\n";
+        this._signal("changeNewLineMode");
+    };
+    this.getNewLineCharacter = function() {
+        switch (this.$newLineMode) {
+          case "windows":
+            return "\r\n";
+          case "unix":
+            return "\n";
+          default:
+            return this.$autoNewLine || "\n";
+        }
+    };
+
+    this.$autoNewLine = "";
+    this.$newLineMode = "auto";
+    this.setNewLineMode = function(newLineMode) {
+        if (this.$newLineMode === newLineMode)
+            return;
+
+        this.$newLineMode = newLineMode;
+        this._signal("changeNewLineMode");
+    };
+    this.getNewLineMode = function() {
+        return this.$newLineMode;
+    };
+    this.isNewLine = function(text) {
+        return (text == "\r\n" || text == "\r" || text == "\n");
+    };
+    this.getLine = function(row) {
+        return this.$lines[row] || "";
+    };
+    this.getLines = function(firstRow, lastRow) {
+        return this.$lines.slice(firstRow, lastRow + 1);
+    };
+    this.getAllLines = function() {
+        return this.getLines(0, this.getLength());
+    };
+    this.getLength = function() {
+        return this.$lines.length;
+    };
+    this.getTextRange = function(range) {
+        if (range.start.row == range.end.row) {
+            return this.getLine(range.start.row)
+                .substring(range.start.column, range.end.column);
+        }
+        var lines = this.getLines(range.start.row, range.end.row);
+        lines[0] = (lines[0] || "").substring(range.start.column);
+        var l = lines.length - 1;
+        if (range.end.row - range.start.row == l)
+            lines[l] = lines[l].substring(0, range.end.column);
+        return lines.join(this.getNewLineCharacter());
+    };
+
+    this.$clipPosition = function(position) {
+        var length = this.getLength();
+        if (position.row >= length) {
+            position.row = Math.max(0, length - 1);
+            position.column = this.getLine(length-1).length;
+        } else if (position.row < 0)
+            position.row = 0;
+        return position;
+    };
+    this.insert = function(position, text) {
+        if (!text || text.length === 0)
+            return position;
+
+        position = this.$clipPosition(position);
+        if (this.getLength() <= 1)
+            this.$detectNewLine(text);
+
+        var lines = this.$split(text);
+        var firstLine = lines.splice(0, 1)[0];
+        var lastLine = lines.length == 0 ? null : lines.splice(lines.length - 1, 1)[0];
+
+        position = this.insertInLine(position, firstLine);
+        if (lastLine !== null) {
+            position = this.insertNewLine(position); // terminate first line
+            position = this._insertLines(position.row, lines);
+            position = this.insertInLine(position, lastLine || "");
+        }
+        return position;
+    };
+    this.insertLines = function(row, lines) {
+        if (row >= this.getLength())
+            return this.insert({row: row, column: 0}, "\n" + lines.join("\n"));
+        return this._insertLines(Math.max(row, 0), lines);
+    };
+    this._insertLines = function(row, lines) {
+        if (lines.length == 0)
+            return {row: row, column: 0};
+        while (lines.length > 0xF000) {
+            var end = this._insertLines(row, lines.slice(0, 0xF000));
+            lines = lines.slice(0xF000);
+            row = end.row;
+        }
+
+        var args = [row, 0];
+        args.push.apply(args, lines);
+        this.$lines.splice.apply(this.$lines, args);
+
+        var range = new Range(row, 0, row + lines.length, 0);
+        var delta = {
+            action: "insertLines",
+            range: range,
+            lines: lines
+        };
+        this._signal("change", { data: delta });
+        return range.end;
+    };
+    this.insertNewLine = function(position) {
+        position = this.$clipPosition(position);
+        var line = this.$lines[position.row] || "";
+
+        this.$lines[position.row] = line.substring(0, position.column);
+        this.$lines.splice(position.row + 1, 0, line.substring(position.column, line.length));
+
+        var end = {
+            row : position.row + 1,
+            column : 0
+        };
+
+        var delta = {
+            action: "insertText",
+            range: Range.fromPoints(position, end),
+            text: this.getNewLineCharacter()
+        };
+        this._signal("change", { data: delta });
+
+        return end;
+    };
+    this.insertInLine = function(position, text) {
+        if (text.length == 0)
+            return position;
+
+        var line = this.$lines[position.row] || "";
+
+        this.$lines[position.row] = line.substring(0, position.column) + text
+                + line.substring(position.column);
+
+        var end = {
+            row : position.row,
+            column : position.column + text.length
+        };
+
+        var delta = {
+            action: "insertText",
+            range: Range.fromPoints(position, end),
+            text: text
+        };
+        this._signal("change", { data: delta });
+
+        return end;
+    };
+    this.remove = function(range) {
+        if (!(range instanceof Range))
+            range = Range.fromPoints(range.start, range.end);
+        range.start = this.$clipPosition(range.start);
+        range.end = this.$clipPosition(range.end);
+
+        if (range.isEmpty())
+            return range.start;
+
+        var firstRow = range.start.row;
+        var lastRow = range.end.row;
+
+        if (range.isMultiLine()) {
+            var firstFullRow = range.start.column == 0 ? firstRow : firstRow + 1;
+            var lastFullRow = lastRow - 1;
+
+            if (range.end.column > 0)
+                this.removeInLine(lastRow, 0, range.end.column);
+
+            if (lastFullRow >= firstFullRow)
+                this._removeLines(firstFullRow, lastFullRow);
+
+            if (firstFullRow != firstRow) {
+                this.removeInLine(firstRow, range.start.column, this.getLine(firstRow).length);
+                this.removeNewLine(range.start.row);
+            }
+        }
+        else {
+            this.removeInLine(firstRow, range.start.column, range.end.column);
+        }
+        return range.start;
+    };
+    this.removeInLine = function(row, startColumn, endColumn) {
+        if (startColumn == endColumn)
+            return;
+
+        var range = new Range(row, startColumn, row, endColumn);
+        var line = this.getLine(row);
+        var removed = line.substring(startColumn, endColumn);
+        var newLine = line.substring(0, startColumn) + line.substring(endColumn, line.length);
+        this.$lines.splice(row, 1, newLine);
+
+        var delta = {
+            action: "removeText",
+            range: range,
+            text: removed
+        };
+        this._signal("change", { data: delta });
+        return range.start;
+    };
+    this.removeLines = function(firstRow, lastRow) {
+        if (firstRow < 0 || lastRow >= this.getLength())
+            return this.remove(new Range(firstRow, 0, lastRow + 1, 0));
+        return this._removeLines(firstRow, lastRow);
+    };
+
+    this._removeLines = function(firstRow, lastRow) {
+        var range = new Range(firstRow, 0, lastRow + 1, 0);
+        var removed = this.$lines.splice(firstRow, lastRow - firstRow + 1);
+
+        var delta = {
+            action: "removeLines",
+            range: range,
+            nl: this.getNewLineCharacter(),
+            lines: removed
+        };
+        this._signal("change", { data: delta });
+        return removed;
+    };
+    this.removeNewLine = function(row) {
+        var firstLine = this.getLine(row);
+        var secondLine = this.getLine(row+1);
+
+        var range = new Range(row, firstLine.length, row+1, 0);
+        var line = firstLine + secondLine;
+
+        this.$lines.splice(row, 2, line);
+
+        var delta = {
+            action: "removeText",
+            range: range,
+            text: this.getNewLineCharacter()
+        };
+        this._signal("change", { data: delta });
+    };
+    this.replace = function(range, text) {
+        if (!(range instanceof Range))
+            range = Range.fromPoints(range.start, range.end);
+        if (text.length == 0 && range.isEmpty())
+            return range.start;
+        if (text == this.getTextRange(range))
+            return range.end;
+
+        this.remove(range);
+        if (text) {
+            var end = this.insert(range.start, text);
+        }
+        else {
+            end = range.start;
+        }
+
+        return end;
+    };
+    this.applyDeltas = function(deltas) {
+        for (var i=0; i<deltas.length; i++) {
+            var delta = deltas[i];
+            var range = Range.fromPoints(delta.range.start, delta.range.end);
+
+            if (delta.action == "insertLines")
+                this.insertLines(range.start.row, delta.lines);
+            else if (delta.action == "insertText")
+                this.insert(range.start, delta.text);
+            else if (delta.action == "removeLines")
+                this._removeLines(range.start.row, range.end.row - 1);
+            else if (delta.action == "removeText")
+                this.remove(range);
+        }
+    };
+    this.revertDeltas = function(deltas) {
+        for (var i=deltas.length-1; i>=0; i--) {
+            var delta = deltas[i];
+
+            var range = Range.fromPoints(delta.range.start, delta.range.end);
+
+            if (delta.action == "insertLines")
+                this._removeLines(range.start.row, range.end.row - 1);
+            else if (delta.action == "insertText")
+                this.remove(range);
+            else if (delta.action == "removeLines")
+                this._insertLines(range.start.row, delta.lines);
+            else if (delta.action == "removeText")
+                this.insert(range.start, delta.text);
+        }
+    };
+    this.indexToPosition = function(index, startRow) {
+        var lines = this.$lines || this.getAllLines();
+        var newlineLength = this.getNewLineCharacter().length;
+        for (var i = startRow || 0, l = lines.length; i < l; i++) {
+            index -= lines[i].length + newlineLength;
+            if (index < 0)
+                return {row: i, column: index + lines[i].length + newlineLength};
+        }
+        return {row: l-1, column: lines[l-1].length};
+    };
+    this.positionToIndex = function(pos, startRow) {
+        var lines = this.$lines || this.getAllLines();
+        var newlineLength = this.getNewLineCharacter().length;
+        var index = 0;
+        var row = Math.min(pos.row, lines.length);
+        for (var i = startRow || 0; i < row; ++i)
+            index += lines[i].length + newlineLength;
+
+        return index + pos.column;
+    };
+
+}).call(Document.prototype);
+
+exports.Document = Document;
+});
+
+define("ace/background_tokenizer",["require","exports","module","ace/lib/oop","ace/lib/event_emitter"], function(require, exports, module) {
+"use strict";
+
+var oop = require("./lib/oop");
+var EventEmitter = require("./lib/event_emitter").EventEmitter;
+
+var BackgroundTokenizer = function(tokenizer, editor) {
+    this.running = false;
+    this.lines = [];
+    this.states = [];
+    this.currentLine = 0;
+    this.tokenizer = tokenizer;
+
+    var self = this;
+
+    this.$worker = function() {
+        if (!self.running) { return; }
+
+        var workerStart = new Date();
+        var currentLine = self.currentLine;
+        var endLine = -1;
+        var doc = self.doc;
+
+        while (self.lines[currentLine])
+            currentLine++;
+
+        var startLine = currentLine;
+
+        var len = doc.getLength();
+        var processedLines = 0;
+        self.running = false;
+        while (currentLine < len) {
+            self.$tokenizeRow(currentLine);
+            endLine = currentLine;
+            do {
+                currentLine++;
+            } while (self.lines[currentLine]);
+            processedLines ++;
+            if ((processedLines % 5 === 0) && (new Date() - workerStart) > 20) {
+                self.running = setTimeout(self.$worker, 20);
+                break;
+            }
+        }
+        self.currentLine = currentLine;
+
+        if (startLine <= endLine)
+            self.fireUpdateEvent(startLine, endLine);
+    };
+};
+
+(function(){
+
+    oop.implement(this, EventEmitter);
+    this.setTokenizer = function(tokenizer) {
+        this.tokenizer = tokenizer;
+        this.lines = [];
+        this.states = [];
+
+        this.start(0);
+    };
+    this.setDocument = function(doc) {
+        this.doc = doc;
+        this.lines = [];
+        this.states = [];
+
+        this.stop();
+    };
+    this.fireUpdateEvent = function(firstRow, lastRow) {
+        var data = {
+            first: firstRow,
+            last: lastRow
+        };
+        this._signal("update", {data: data});
+    };
+    this.start = function(startRow) {
+        this.currentLine = Math.min(startRow || 0, this.currentLine, this.doc.getLength());
+        this.lines.splice(this.currentLine, this.lines.length);
+        this.states.splice(this.currentLine, this.states.length);
+
+        this.stop();
+        this.running = setTimeout(this.$worker, 700);
+    };
+
+    this.scheduleStart = function() {
+        if (!this.running)
+            this.running = setTimeout(this.$worker, 700);
+    }
+
+    this.$updateOnChange = function(delta) {
+        var range = delta.range;
+        var startRow = range.start.row;
+        var len = range.end.row - startRow;
+
+        if (len === 0) {
+            this.lines[startRow] = null;
+        } else if (delta.action == "removeText" || delta.action == "removeLines") {
+            this.lines.splice(startRow, len + 1, null);
+            this.states.splice(startRow, len + 1, null);
+        } else {
+            var args = Array(len + 1);
+            args.unshift(startRow, 1);
+            this.lines.splice.apply(this.lines, args);
+            this.states.splice.apply(this.states, args);
+        }
+
+        this.currentLine = Math.min(startRow, this.currentLine, this.doc.getLength());
+
+        this.stop();
+    };
+    this.stop = function() {
+        if (this.running)
+            clearTimeout(this.running);
+        this.running = false;
+    };
+    this.getTokens = function(row) {
+        return this.lines[row] || this.$tokenizeRow(row);
+    };
+    this.getState = function(row) {
+        if (this.currentLine == row)
+            this.$tokenizeRow(row);
+        return this.states[row] || "start";
+    };
+
+    this.$tokenizeRow = function(row) {
+        var line = this.doc.getLine(row);
+        var state = this.states[row - 1];
+
+        var data = this.tokenizer.getLineTokens(line, state, row);
+
+        if (this.states[row] + "" !== data.state + "") {
+            this.states[row] = data.state;
+            this.lines[row + 1] = null;
+            if (this.currentLine > row + 1)
+                this.currentLine = row + 1;
+        } else if (this.currentLine == row) {
+            this.currentLine = row + 1;
+        }
+
+        return this.lines[row] = data.tokens;
+    };
+
+}).call(BackgroundTokenizer.prototype);
+
+exports.BackgroundTokenizer = BackgroundTokenizer;
+});
+
+define("ace/search_highlight",["require","exports","module","ace/lib/lang","ace/lib/oop","ace/range"], function(require, exports, module) {
+"use strict";
+
+var lang = require("./lib/lang");
+var oop = require("./lib/oop");
+var Range = require("./range").Range;
+
+var SearchHighlight = function(regExp, clazz, type) {
+    this.setRegexp(regExp);
+    this.clazz = clazz;
+    this.type = type || "text";
+};
+
+(function() {
+    this.MAX_RANGES = 500;
+
+    this.setRegexp = function(regExp) {
+        if (this.regExp+"" == regExp+"")
+            return;
+        this.regExp = regExp;
+        this.cache = [];
+    };
+
+    this.update = function(html, markerLayer, session, config) {
+        if (!this.regExp)
+            return;
+        var start = config.firstRow, end = config.lastRow;
+
+        for (var i = start; i <= end; i++) {
+            var ranges = this.cache[i];
+            if (ranges == null) {
+                ranges = lang.getMatchOffsets(session.getLine(i), this.regExp);
+                if (ranges.length > this.MAX_RANGES)
+                    ranges = ranges.slice(0, this.MAX_RANGES);
+                ranges = ranges.map(function(match) {
+                    return new Range(i, match.offset, i, match.offset + match.length);
+                });
+                this.cache[i] = ranges.length ? ranges : "";
+            }
+
+            for (var j = ranges.length; j --; ) {
+                markerLayer.drawSingleLineMarker(
+                    html, ranges[j].toScreenRange(session), this.clazz, config);
+            }
+        }
+    };
+
+}).call(SearchHighlight.prototype);
+
+exports.SearchHighlight = SearchHighlight;
+});
+
+define("ace/edit_session/fold_line",["require","exports","module","ace/range"], function(require, exports, module) {
+"use strict";
+
+var Range = require("../range").Range;
+function FoldLine(foldData, folds) {
+    this.foldData = foldData;
+    if (Array.isArray(folds)) {
+        this.folds = folds;
+    } else {
+        folds = this.folds = [ folds ];
+    }
+
+    var last = folds[folds.length - 1];
+    this.range = new Range(folds[0].start.row, folds[0].start.column,
+                           last.end.row, last.end.column);
+    this.start = this.range.start;
+    this.end   = this.range.end;
+
+    this.folds.forEach(function(fold) {
+        fold.setFoldLine(this);
+    }, this);
+}
+
+(function() {
+    this.shiftRow = function(shift) {
+        this.start.row += shift;
+        this.end.row += shift;
+        this.folds.forEach(function(fold) {
+            fold.start.row += shift;
+            fold.end.row += shift;
+        });
+    };
+
+    this.addFold = function(fold) {
+        if (fold.sameRow) {
+            if (fold.start.row < this.startRow || fold.endRow > this.endRow) {
+                throw new Error("Can't add a fold to this FoldLine as it has no connection");
+            }
+            this.folds.push(fold);
+            this.folds.sort(function(a, b) {
+                return -a.range.compareEnd(b.start.row, b.start.column);
+            });
+            if (this.range.compareEnd(fold.start.row, fold.start.column) > 0) {
+                this.end.row = fold.end.row;
+                this.end.column =  fold.end.column;
+            } else if (this.range.compareStart(fold.end.row, fold.end.column) < 0) {
+                this.start.row = fold.start.row;
+                this.start.column = fold.start.column;
+            }
+        } else if (fold.start.row == this.end.row) {
+            this.folds.push(fold);
+            this.end.row = fold.end.row;
+            this.end.column = fold.end.column;
+        } else if (fold.end.row == this.start.row) {
+            this.folds.unshift(fold);
+            this.start.row = fold.start.row;
+            this.start.column = fold.start.column;
+        } else {
+            throw new Error("Trying to add fold to FoldRow that doesn't have a matching row");
+        }
+        fold.foldLine = this;
+    };
+
+    this.containsRow = function(row) {
+        return row >= this.start.row && row <= this.end.row;
+    };
+
+    this.walk = function(callback, endRow, endColumn) {
+        var lastEnd = 0,
+            folds = this.folds,
+            fold,
+            cmp, stop, isNewRow = true;
+
+        if (endRow == null) {
+            endRow = this.end.row;
+            endColumn = this.end.column;
+        }
+
+        for (var i = 0; i < folds.length; i++) {
+            fold = folds[i];
+
+            cmp = fold.range.compareStart(endRow, endColumn);
+            if (cmp == -1) {
+                callback(null, endRow, endColumn, lastEnd, isNewRow);
+                return;
+            }
+
+            stop = callback(null, fold.start.row, fold.start.column, lastEnd, isNewRow);
+            stop = !stop && callback(fold.placeholder, fold.start.row, fold.start.column, lastEnd);
+            if (stop || cmp === 0) {
+                return;
+            }
+            isNewRow = !fold.sameRow;
+            lastEnd = fold.end.column;
+        }
+        callback(null, endRow, endColumn, lastEnd, isNewRow);
+    };
+
+    this.getNextFoldTo = function(row, column) {
+        var fold, cmp;
+        for (var i = 0; i < this.folds.length; i++) {
+            fold = this.folds[i];
+            cmp = fold.range.compareEnd(row, column);
+            if (cmp == -1) {
+                return {
+                    fold: fold,
+                    kind: "after"
+                };
+            } else if (cmp === 0) {
+                return {
+                    fold: fold,
+                    kind: "inside"
+                };
+            }
+        }
+        return null;
+    };
+
+    this.addRemoveChars = function(row, column, len) {
+        var ret = this.getNextFoldTo(row, column),
+            fold, folds;
+        if (ret) {
+            fold = ret.fold;
+            if (ret.kind == "inside"
+                && fold.start.column != column
+                && fold.start.row != row)
+            {
+                window.console && window.console.log(row, column, fold);
+            } else if (fold.start.row == row) {
+                folds = this.folds;
+                var i = folds.indexOf(fold);
+                if (i === 0) {
+                    this.start.column += len;
+                }
+                for (i; i < folds.length; i++) {
+                    fold = folds[i];
+                    fold.start.column += len;
+                    if (!fold.sameRow) {
+                        return;
+                    }
+                    fold.end.column += len;
+                }
+                this.end.column += len;
+            }
+        }
+    };
+
+    this.split = function(row, column) {
+        var pos = this.getNextFoldTo(row, column);
+
+        if (!pos || pos.kind == "inside")
+            return null;
+
+        var fold = pos.fold;
+        var folds = this.folds;
+        var foldData = this.foldData;
+
+        var i = folds.indexOf(fold);
+        var foldBefore = folds[i - 1];
+        this.end.row = foldBefore.end.row;
+        this.end.column = foldBefore.end.column;
+        folds = folds.splice(i, folds.length - i);
+
+        var newFoldLine = new FoldLine(foldData, folds);
+        foldData.splice(foldData.indexOf(this) + 1, 0, newFoldLine);
+        return newFoldLine;
+    };
+
+    this.merge = function(foldLineNext) {
+        var folds = foldLineNext.folds;
+        for (var i = 0; i < folds.length; i++) {
+            this.addFold(folds[i]);
+        }
+        var foldData = this.foldData;
+        foldData.splice(foldData.indexOf(foldLineNext), 1);
+    };
+
+    this.toString = function() {
+        var ret = [this.range.toString() + ": [" ];
+
+        this.folds.forEach(function(fold) {
+            ret.push("  " + fold.toString());
+        });
+        ret.push("]");
+        return ret.join("\n");
+    };
+
+    this.idxToPosition = function(idx) {
+        var lastFoldEndColumn = 0;
+
+        for (var i = 0; i < this.folds.length; i++) {
+            var fold = this.folds[i];
+
+            idx -= fold.start.column - lastFoldEndColumn;
+            if (idx < 0) {
+                return {
+                    row: fold.start.row,
+                    column: fold.start.column + idx
+                };
+            }
+
+            idx -= fold.placeholder.length;
+            if (idx < 0) {
+                return fold.start;
+            }
+
+            lastFoldEndColumn = fold.end.column;
+        }
+
+        return {
+            row: this.end.row,
+            column: this.end.column + idx
+        };
+    };
+}).call(FoldLine.prototype);
+
+exports.FoldLine = FoldLine;
+});
+
+define("ace/range_list",["require","exports","module","ace/range"], function(require, exports, module) {
+"use strict";
+var Range = require("./range").Range;
+var comparePoints = Range.comparePoints;
+
+var RangeList = function() {
+    this.ranges = [];
+};
+
+(function() {
+    this.comparePoints = comparePoints;
+
+    this.pointIndex = function(pos, excludeEdges, startIndex) {
+        var list = this.ranges;
+
+        for (var i = startIndex || 0; i < list.length; i++) {
+            var range = list[i];
+            var cmpEnd = comparePoints(pos, range.end);
+            if (cmpEnd > 0)
+                continue;
+            var cmpStart = comparePoints(pos, range.start);
+            if (cmpEnd === 0)
+                return excludeEdges && cmpStart !== 0 ? -i-2 : i;
+            if (cmpStart > 0 || (cmpStart === 0 && !excludeEdges))
+                return i;
+
+            return -i-1;
+        }
+        return -i - 1;
+    };
+
+    this.add = function(range) {
+        var excludeEdges = !range.isEmpty();
+        var startIndex = this.pointIndex(range.start, excludeEdges);
+        if (startIndex < 0)
+            startIndex = -startIndex - 1;
+
+        var endIndex = this.pointIndex(range.end, excludeEdges, startIndex);
+
+        if (endIndex < 0)
+            endIndex = -endIndex - 1;
+        else
+            endIndex++;
+        return this.ranges.splice(startIndex, endIndex - startIndex, range);
+    };
+
+    this.addList = function(list) {
+        var removed = [];
+        for (var i = list.length; i--; ) {
+            removed.push.call(removed, this.add(list[i]));
+        }
+        return removed;
+    };
+
+    this.substractPoint = function(pos) {
+        var i = this.pointIndex(pos);
+
+        if (i >= 0)
+            return this.ranges.splice(i, 1);
+    };
+    this.merge = function() {
+        var removed = [];
+        var list = this.ranges;
+
+        list = list.sort(function(a, b) {
+            return comparePoints(a.start, b.start);
+        });
+
+        var next = list[0], range;
+        for (var i = 1; i < list.length; i++) {
+            range = next;
+            next = list[i];
+            var cmp = comparePoints(range.end, next.start);
+            if (cmp < 0)
+                continue;
+
+            if (cmp == 0 && !range.isEmpty() && !next.isEmpty())
+                continue;
+
+            if (comparePoints(range.end, next.end) < 0) {
+                range.end.row = next.end.row;
+                range.end.column = next.end.column;
+            }
+
+            list.splice(i, 1);
+            removed.push(next);
+            next = range;
+            i--;
+        }
+
+        this.ranges = list;
+
+        return removed;
+    };
+
+    this.contains = function(row, column) {
+        return this.pointIndex({row: row, column: column}) >= 0;
+    };
+
+    this.containsPoint = function(pos) {
+        return this.pointIndex(pos) >= 0;
+    };
+
+    this.rangeAtPoint = function(pos) {
+        var i = this.pointIndex(pos);
+        if (i >= 0)
+            return this.ranges[i];
+    };
+
+
+    this.clipRows = function(startRow, endRow) {
+        var list = this.ranges;
+        if (list[0].start.row > endRow || list[list.length - 1].start.row < startRow)
+            return [];
+
+        var startIndex = this.pointIndex({row: startRow, column: 0});
+        if (startIndex < 0)
+            startIndex = -startIndex - 1;
+        var endIndex = this.pointIndex({row: endRow, column: 0}, startIndex);
+        if (endIndex < 0)
+            endIndex = -endIndex - 1;
+
+        var clipped = [];
+        for (var i = startIndex; i < endIndex; i++) {
+            clipped.push(list[i]);
+        }
+        return clipped;
+    };
+
+    this.removeAll = function() {
+        return this.ranges.splice(0, this.ranges.length);
+    };
+
+    this.attach = function(session) {
+        if (this.session)
+            this.detach();
+
+        this.session = session;
+        this.onChange = this.$onChange.bind(this);
+
+        this.session.on('change', this.onChange);
+    };
+
+    this.detach = function() {
+        if (!this.session)
+            return;
+        this.session.removeListener('change', this.onChange);
+        this.session = null;
+    };
+
+    this.$onChange = function(e) {
+        var changeRange = e.data.range;
+        if (e.data.action[0] == "i"){
+            var start = changeRange.start;
+            var end = changeRange.end;
+        } else {
+            var end = changeRange.start;
+            var start = changeRange.end;
+        }
+        var startRow = start.row;
+        var endRow = end.row;
+        var lineDif = endRow - startRow;
+
+        var colDiff = -start.column + end.column;
+        var ranges = this.ranges;
+
+        for (var i = 0, n = ranges.length; i < n; i++) {
+            var r = ranges[i];
+            if (r.end.row < startRow)
+                continue;
+            if (r.start.row > startRow)
+                break;
+
+            if (r.start.row == startRow && r.start.column >= start.column ) {
+                if (r.start.column == start.column && this.$insertRight) {
+                } else {
+                    r.start.column += colDiff;
+                    r.start.row += lineDif;
+                }
+            }
+            if (r.end.row == startRow && r.end.column >= start.column) {
+                if (r.end.column == start.column && this.$insertRight) {
+                    continue;
+                }
+                if (r.end.column == start.column && colDiff > 0 && i < n - 1) {
+                    if (r.end.column > r.start.column && r.end.column == ranges[i+1].start.column)
+                        r.end.column -= colDiff;
+                }
+                r.end.column += colDiff;
+                r.end.row += lineDif;
+            }
+        }
+
+        if (lineDif != 0 && i < n) {
+            for (; i < n; i++) {
+                var r = ranges[i];
+                r.start.row += lineDif;
+                r.end.row += lineDif;
+            }
+        }
+    };
+
+}).call(RangeList.prototype);
+
+exports.RangeList = RangeList;
+});
+
+define("ace/edit_session/fold",["require","exports","module","ace/range","ace/range_list","ace/lib/oop"], function(require, exports, module) {
+"use strict";
+
+var Range = require("../range").Range;
+var RangeList = require("../range_list").RangeList;
+var oop = require("../lib/oop")
+var Fold = exports.Fold = function(range, placeholder) {
+    this.foldLine = null;
+    this.placeholder = placeholder;
+    this.range = range;
+    this.start = range.start;
+    this.end = range.end;
+
+    this.sameRow = range.start.row == range.end.row;
+    this.subFolds = this.ranges = [];
+};
+
+oop.inherits(Fold, RangeList);
+
+(function() {
+
+    this.toString = function() {
+        return '"' + this.placeholder + '" ' + this.range.toString();
+    };
+
+    this.setFoldLine = function(foldLine) {
+        this.foldLine = foldLine;
+        this.subFolds.forEach(function(fold) {
+            fold.setFoldLine(foldLine);
+        });
+    };
+
+    this.clone = function() {
+        var range = this.range.clone();
+        var fold = new Fold(range, this.placeholder);
+        this.subFolds.forEach(function(subFold) {
+            fold.subFolds.push(subFold.clone());
+        });
+        fold.collapseChildren = this.collapseChildren;
+        return fold;
+    };
+
+    this.addSubFold = function(fold) {
+        if (this.range.isEqual(fold))
+            return;
+
+        if (!this.range.containsRange(fold))
+            throw new Error("A fold can't intersect already existing fold" + fold.range + this.range);
+        consumeRange(fold, this.start);
+
+        var row = fold.start.row, column = fold.start.column;
+        for (var i = 0, cmp = -1; i < this.subFolds.length; i++) {
+            cmp = this.subFolds[i].range.compare(row, column);
+            if (cmp != 1)
+                break;
+        }
+        var afterStart = this.subFolds[i];
+
+        if (cmp == 0)
+            return afterStart.addSubFold(fold);
+        var row = fold.range.end.row, column = fold.range.end.column;
+        for (var j = i, cmp = -1; j < this.subFolds.length; j++) {
+            cmp = this.subFolds[j].range.compare(row, column);
+            if (cmp != 1)
+                break;
+        }
+        var afterEnd = this.subFolds[j];
+
+        if (cmp == 0)
+            throw new Error("A fold can't intersect already existing fold" + fold.range + this.range);
+
+        var consumedFolds = this.subFolds.splice(i, j - i, fold);
+        fold.setFoldLine(this.foldLine);
+
+        return fold;
+    };
+
+    this.restoreRange = function(range) {
+        return restoreRange(range, this.start);
+    };
+
+}).call(Fold.prototype);
+
+function consumePoint(point, anchor) {
+    point.row -= anchor.row;
+    if (point.row == 0)
+        point.column -= anchor.column;
+}
+function consumeRange(range, anchor) {
+    consumePoint(range.start, anchor);
+    consumePoint(range.end, anchor);
+}
+function restorePoint(point, anchor) {
+    if (point.row == 0)
+        point.column += anchor.column;
+    point.row += anchor.row;
+}
+function restoreRange(range, anchor) {
+    restorePoint(range.start, anchor);
+    restorePoint(range.end, anchor);
+}
+
+});
+
+define("ace/edit_session/folding",["require","exports","module","ace/range","ace/edit_session/fold_line","ace/edit_session/fold","ace/token_iterator"], function(require, exports, module) {
+"use strict";
+
+var Range = require("../range").Range;
+var FoldLine = require("./fold_line").FoldLine;
+var Fold = require("./fold").Fold;
+var TokenIterator = require("../token_iterator").TokenIterator;
+
+function Folding() {
+    this.getFoldAt = function(row, column, side) {
+        var foldLine = this.getFoldLine(row);
+        if (!foldLine)
+            return null;
+
+        var folds = foldLine.folds;
+        for (var i = 0; i < folds.length; i++) {
+            var fold = folds[i];
+            if (fold.range.contains(row, column)) {
+                if (side == 1 && fold.range.isEnd(row, column)) {
+                    continue;
+                } else if (side == -1 && fold.range.isStart(row, column)) {
+                    continue;
+                }
+                return fold;
+            }
+        }
+    };
+    this.getFoldsInRange = function(range) {
+        var start = range.start;
+        var end = range.end;
+        var foldLines = this.$foldData;
+        var foundFolds = [];
+
+        start.column += 1;
+        end.column -= 1;
+
+        for (var i = 0; i < foldLines.length; i++) {
+            var cmp = foldLines[i].range.compareRange(range);
+            if (cmp == 2) {
+                continue;
+            }
+            else if (cmp == -2) {
+                break;
+            }
+
+            var folds = foldLines[i].folds;
+            for (var j = 0; j < folds.length; j++) {
+                var fold = folds[j];
+                cmp = fold.range.compareRange(range);
+                if (cmp == -2) {
+                    break;
+                } else if (cmp == 2) {
+                    continue;
+                } else
+                if (cmp == 42) {
+                    break;
+                }
+                foundFolds.push(fold);
+            }
+        }
+        start.column -= 1;
+        end.column += 1;
+
+        return foundFolds;
+    };
+
+    this.getFoldsInRangeList = function(ranges) {
+        if (Array.isArray(ranges)) {
+            var folds = [];
+            ranges.forEach(function(range) {
+                folds = folds.concat(this.getFoldsInRange(range));
+            }, this);
+        } else {
+            var folds = this.getFoldsInRange(ranges);
+        }
+        return folds;
+    }
+    this.getAllFolds = function() {
+        var folds = [];
+        var foldLines = this.$foldData;
+
+        for (var i = 0; i < foldLines.length; i++)
+            for (var j = 0; j < foldLines[i].folds.length; j++)
+                folds.push(foldLines[i].folds[j]);
+
+        return folds;
+    };
+    this.getFoldStringAt = function(row, column, trim, foldLine) {
+        foldLine = foldLine || this.getFoldLine(row);
+        if (!foldLine)
+            return null;
+
+        var lastFold = {
+            end: { column: 0 }
+        };
+        var str, fold;
+        for (var i = 0; i < foldLine.folds.length; i++) {
+            fold = foldLine.folds[i];
+            var cmp = fold.range.compareEnd(row, column);
+            if (cmp == -1) {
+                str = this
+                    .getLine(fold.start.row)
+                    .substring(lastFold.end.column, fold.start.column);
+                break;
+            }
+            else if (cmp === 0) {
+                return null;
+            }
+            lastFold = fold;
+        }
+        if (!str)
+            str = this.getLine(fold.start.row).substring(lastFold.end.column);
+
+        if (trim == -1)
+            return str.substring(0, column - lastFold.end.column);
+        else if (trim == 1)
+            return str.substring(column - lastFold.end.column);
+        else
+            return str;
+    };
+
+    this.getFoldLine = function(docRow, startFoldLine) {
+        var foldData = this.$foldData;
+        var i = 0;
+        if (startFoldLine)
+            i = foldData.indexOf(startFoldLine);
+        if (i == -1)
+            i = 0;
+        for (i; i < foldData.length; i++) {
+            var foldLine = foldData[i];
+            if (foldLine.start.row <= docRow && foldLine.end.row >= docRow) {
+                return foldLine;
+            } else if (foldLine.end.row > docRow) {
+                return null;
+            }
+        }
+        return null;
+    };
+    this.getNextFoldLine = function(docRow, startFoldLine) {
+        var foldData = this.$foldData;
+        var i = 0;
+        if (startFoldLine)
+            i = foldData.indexOf(startFoldLine);
+        if (i == -1)
+            i = 0;
+        for (i; i < foldData.length; i++) {
+            var foldLine = foldData[i];
+            if (foldLine.end.row >= docRow) {
+                return foldLine;
+            }
+        }
+        return null;
+    };
+
+    this.getFoldedRowCount = function(first, last) {
+        var foldData = this.$foldData, rowCount = last-first+1;
+        for (var i = 0; i < foldData.length; i++) {
+            var foldLine = foldData[i],
+                end = foldLine.end.row,
+                start = foldLine.start.row;
+            if (end >= last) {
+                if(start < last) {
+                    if(start >= first)
+                        rowCount -= last-start;
+                    else
+                        rowCount = 0;//in one fold
+                }
+                break;
+            } else if(end >= first){
+                if (start >= first) //fold inside range
+                    rowCount -=  end-start;
+                else
+                    rowCount -=  end-first+1;
+            }
+        }
+        return rowCount;
+    };
+
+    this.$addFoldLine = function(foldLine) {
+        this.$foldData.push(foldLine);
+        this.$foldData.sort(function(a, b) {
+            return a.start.row - b.start.row;
+        });
+        return foldLine;
+    };
+    this.addFold = function(placeholder, range) {
+        var foldData = this.$foldData;
+        var added = false;
+        var fold;
+
+        if (placeholder instanceof Fold)
+            fold = placeholder;
+        else {
+            fold = new Fold(range, placeholder);
+            fold.collapseChildren = range.collapseChildren;
+        }
+        this.$clipRangeToDocument(fold.range);
+
+        var startRow = fold.start.row;
+        var startColumn = fold.start.column;
+        var endRow = fold.end.row;
+        var endColumn = fold.end.column;
+        if (!(startRow < endRow ||
+            startRow == endRow && startColumn <= endColumn - 2))
+            throw new Error("The range has to be at least 2 characters width");
+
+        var startFold = this.getFoldAt(startRow, startColumn, 1);
+        var endFold = this.getFoldAt(endRow, endColumn, -1);
+        if (startFold && endFold == startFold)
+            return startFold.addSubFold(fold);
+
+        if (startFold && !startFold.range.isStart(startRow, startColumn))
+            this.removeFold(startFold);
+
+        if (endFold && !endFold.range.isEnd(endRow, endColumn))
+            this.removeFold(endFold);
+        var folds = this.getFoldsInRange(fold.range);
+        if (folds.length > 0) {
+            this.removeFolds(folds);
+            folds.forEach(function(subFold) {
+                fold.addSubFold(subFold);
+            });
+        }
+
+        for (var i = 0; i < foldData.length; i++) {
+            var foldLine = foldData[i];
+            if (endRow == foldLine.start.row) {
+                foldLine.addFold(fold);
+                added = true;
+                break;
+            } else if (startRow == foldLine.end.row) {
+                foldLine.addFold(fold);
+                added = true;
+                if (!fold.sameRow) {
+                    var foldLineNext = foldData[i + 1];
+                    if (foldLineNext && foldLineNext.start.row == endRow) {
+                        foldLine.merge(foldLineNext);
+                        break;
+                    }
+                }
+                break;
+            } else if (endRow <= foldLine.start.row) {
+                break;
+            }
+        }
+
+        if (!added)
+            foldLine = this.$addFoldLine(new FoldLine(this.$foldData, fold));
+
+        if (this.$useWrapMode)
+            this.$updateWrapData(foldLine.start.row, foldLine.start.row);
+        else
+            this.$updateRowLengthCache(foldLine.start.row, foldLine.start.row);
+        this.$modified = true;
+        this._emit("changeFold", { data: fold, action: "add" });
+
+        return fold;
+    };
+
+    this.addFolds = function(folds) {
+        folds.forEach(function(fold) {
+            this.addFold(fold);
+        }, this);
+    };
+
+    this.removeFold = function(fold) {
+        var foldLine = fold.foldLine;
+        var startRow = foldLine.start.row;
+        var endRow = foldLine.end.row;
+
+        var foldLines = this.$foldData;
+        var folds = foldLine.folds;
+        if (folds.length == 1) {
+            foldLines.splice(foldLines.indexOf(foldLine), 1);
+        } else
+        if (foldLine.range.isEnd(fold.end.row, fold.end.column)) {
+            folds.pop();
+            foldLine.end.row = folds[folds.length - 1].end.row;
+            foldLine.end.column = folds[folds.length - 1].end.column;
+        } else
+        if (foldLine.range.isStart(fold.start.row, fold.start.column)) {
+            folds.shift();
+            foldLine.start.row = folds[0].start.row;
+            foldLine.start.column = folds[0].start.column;
+        } else
+        if (fold.sameRow) {
+            folds.splice(folds.indexOf(fold), 1);
+        } else
+        {
+            var newFoldLine = foldLine.split(fold.start.row, fold.start.column);
+            folds = newFoldLine.folds;
+            folds.shift();
+            newFoldLine.start.row = folds[0].start.row;
+            newFoldLine.start.column = folds[0].start.column;
+        }
+
+        if (!this.$updating) {
+            if (this.$useWrapMode)
+                this.$updateWrapData(startRow, endRow);
+            else
+                this.$updateRowLengthCache(startRow, endRow);
+        }
+        this.$modified = true;
+        this._emit("changeFold", { data: fold, action: "remove" });
+    };
+
+    this.removeFolds = function(folds) {
+        var cloneFolds = [];
+        for (var i = 0; i < folds.length; i++) {
+            cloneFolds.push(folds[i]);
+        }
+
+        cloneFolds.forEach(function(fold) {
+            this.removeFold(fold);
+        }, this);
+        this.$modified = true;
+    };
+
+    this.expandFold = function(fold) {
+        this.removeFold(fold);
+        fold.subFolds.forEach(function(subFold) {
+            fold.restoreRange(subFold);
+            this.addFold(subFold);
+        }, this);
+        if (fold.collapseChildren > 0) {
+            this.foldAll(fold.start.row+1, fold.end.row, fold.collapseChildren-1);
+        }
+        fold.subFolds = [];
+    };
+
+    this.expandFolds = function(folds) {
+        folds.forEach(function(fold) {
+            this.expandFold(fold);
+        }, this);
+    };
+
+    this.unfold = function(location, expandInner) {
+        var range, folds;
+        if (location == null) {
+            range = new Range(0, 0, this.getLength(), 0);
+            expandInner = true;
+        } else if (typeof location == "number")
+            range = new Range(location, 0, location, this.getLine(location).length);
+        else if ("row" in location)
+            range = Range.fromPoints(location, location);
+        else
+            range = location;
+
+        folds = this.getFoldsInRangeList(range);
+        if (expandInner) {
+            this.removeFolds(folds);
+        } else {
+            var subFolds = folds;
+            while (subFolds.length) {
+                this.expandFolds(subFolds);
+                subFolds = this.getFoldsInRangeList(range);
+            }
+        }
+        if (folds.length)
+            return folds;
+    };
+    this.isRowFolded = function(docRow, startFoldRow) {
+        return !!this.getFoldLine(docRow, startFoldRow);
+    };
+
+    this.getRowFoldEnd = function(docRow, startFoldRow) {
+        var foldLine = this.getFoldLine(docRow, startFoldRow);
+        return foldLine ? foldLine.end.row : docRow;
+    };
+
+    this.getRowFoldStart = function(docRow, startFoldRow) {
+        var foldLine = this.getFoldLine(docRow, startFoldRow);
+        return foldLine ? foldLine.start.row : docRow;
+    };
+
+    this.getFoldDisplayLine = function(foldLine, endRow, endColumn, startRow, startColumn) {
+        if (startRow == null)
+            startRow = foldLine.start.row;
+        if (startColumn == null)
+            startColumn = 0;
+        if (endRow == null)
+            endRow = foldLine.end.row;
+        if (endColumn == null)
+            endColumn = this.getLine(endRow).length;
+        var doc = this.doc;
+        var textLine = "";
+
+        foldLine.walk(function(placeholder, row, column, lastColumn) {
+            if (row < startRow)
+                return;
+            if (row == startRow) {
+                if (column < startColumn)
+                    return;
+                lastColumn = Math.max(startColumn, lastColumn);
+            }
+
+            if (placeholder != null) {
+                textLine += placeholder;
+            } else {
+                textLine += doc.getLine(row).substring(lastColumn, column);
+            }
+        }, endRow, endColumn);
+        return textLine;
+    };
+
+    this.getDisplayLine = function(row, endColumn, startRow, startColumn) {
+        var foldLine = this.getFoldLine(row);
+
+        if (!foldLine) {
+            var line;
+            line = this.doc.getLine(row);
+            return line.substring(startColumn || 0, endColumn || line.length);
+        } else {
+            return this.getFoldDisplayLine(
+                foldLine, row, endColumn, startRow, startColumn);
+        }
+    };
+
+    this.$cloneFoldData = function() {
+        var fd = [];
+        fd = this.$foldData.map(function(foldLine) {
+            var folds = foldLine.folds.map(function(fold) {
+                return fold.clone();
+            });
+            return new FoldLine(fd, folds);
+        });
+
+        return fd;
+    };
+
+    this.toggleFold = function(tryToUnfold) {
+        var selection = this.selection;
+        var range = selection.getRange();
+        var fold;
+        var bracketPos;
+
+        if (range.isEmpty()) {
+            var cursor = range.start;
+            fold = this.getFoldAt(cursor.row, cursor.column);
+
+            if (fold) {
+                this.expandFold(fold);
+                return;
+            } else if (bracketPos = this.findMatchingBracket(cursor)) {
+                if (range.comparePoint(bracketPos) == 1) {
+                    range.end = bracketPos;
+                } else {
+                    range.start = bracketPos;
+                    range.start.column++;
+                    range.end.column--;
+                }
+            } else if (bracketPos = this.findMatchingBracket({row: cursor.row, column: cursor.column + 1})) {
+                if (range.comparePoint(bracketPos) == 1)
+                    range.end = bracketPos;
+                else
+                    range.start = bracketPos;
+
+                range.start.column++;
+            } else {
+                range = this.getCommentFoldRange(cursor.row, cursor.column) || range;
+            }
+        } else {
+            var folds = this.getFoldsInRange(range);
+            if (tryToUnfold && folds.length) {
+                this.expandFolds(folds);
+                return;
+            } else if (folds.length == 1 ) {
+                fold = folds[0];
+            }
+        }
+
+        if (!fold)
+            fold = this.getFoldAt(range.start.row, range.start.column);
+
+        if (fold && fold.range.toString() == range.toString()) {
+            this.expandFold(fold);
+            return;
+        }
+
+        var placeholder = "...";
+        if (!range.isMultiLine()) {
+            placeholder = this.getTextRange(range);
+            if(placeholder.length < 4)
+                return;
+            placeholder = placeholder.trim().substring(0, 2) + "..";
+        }
+
+        this.addFold(placeholder, range);
+    };
+
+    this.getCommentFoldRange = function(row, column, dir) {
+        var iterator = new TokenIterator(this, row, column);
+        var token = iterator.getCurrentToken();
+        if (token && /^comment|string/.test(token.type)) {
+            var range = new Range();
+            var re = new RegExp(token.type.replace(/\..*/, "\\."));
+            if (dir != 1) {
+                do {
+                    token = iterator.stepBackward();
+                } while(token && re.test(token.type));
+                iterator.stepForward();
+            }
+
+            range.start.row = iterator.getCurrentTokenRow();
+            range.start.column = iterator.getCurrentTokenColumn() + 2;
+
+            iterator = new TokenIterator(this, row, column);
+
+            if (dir != -1) {
+                do {
+                    token = iterator.stepForward();
+                } while(token && re.test(token.type));
+                token = iterator.stepBackward();
+            } else
+                token = iterator.getCurrentToken();
+
+            range.end.row = iterator.getCurrentTokenRow();
+            range.end.column = iterator.getCurrentTokenColumn() + token.value.length - 2;
+            return range;
+        }
+    };
+
+    this.foldAll = function(startRow, endRow, depth) {
+        if (depth == undefined)
+            depth = 100000; // JSON.stringify doesn't hanle Infinity
+        var foldWidgets = this.foldWidgets;
+        if (!foldWidgets)
+            return; // mode doesn't support folding
+        endRow = endRow || this.getLength();
+        startRow = startRow || 0;
+        for (var row = startRow; row < endRow; row++) {
+            if (foldWidgets[row] == null)
+                foldWidgets[row] = this.getFoldWidget(row);
+            if (foldWidgets[row] != "start")
+                continue;
+
+            var range = this.getFoldWidgetRange(row);
+            if (range && range.isMultiLine()
+                && range.end.row <= endRow
+                && range.start.row >= startRow
+            ) {
+                row = range.end.row;
+                try {
+                    var fold = this.addFold("...", range);
+                    if (fold)
+                        fold.collapseChildren = depth;
+                } catch(e) {}
+            }
+        }
+    };
+    this.$foldStyles = {
+        "manual": 1,
+        "markbegin": 1,
+        "markbeginend": 1
+    };
+    this.$foldStyle = "markbegin";
+    this.setFoldStyle = function(style) {
+        if (!this.$foldStyles[style])
+            throw new Error("invalid fold style: " + style + "[" + Object.keys(this.$foldStyles).join(", ") + "]");
+
+        if (this.$foldStyle == style)
+            return;
+
+        this.$foldStyle = style;
+
+        if (style == "manual")
+            this.unfold();
+        var mode = this.$foldMode;
+        this.$setFolding(null);
+        this.$setFolding(mode);
+    };
+
+    this.$setFolding = function(foldMode) {
+        if (this.$foldMode == foldMode)
+            return;
+
+        this.$foldMode = foldMode;
+
+        this.off('change', this.$updateFoldWidgets);
+        this.off('tokenizerUpdate', this.$tokenizerUpdateFoldWidgets);
+        this._emit("changeAnnotation");
+
+        if (!foldMode || this.$foldStyle == "manual") {
+            this.foldWidgets = null;
+            return;
+        }
+
+        this.foldWidgets = [];
+        this.getFoldWidget = foldMode.getFoldWidget.bind(foldMode, this, this.$foldStyle);
+        this.getFoldWidgetRange = foldMode.getFoldWidgetRange.bind(foldMode, this, this.$foldStyle);
+
+        this.$updateFoldWidgets = this.updateFoldWidgets.bind(this);
+        this.$tokenizerUpdateFoldWidgets = this.tokenizerUpdateFoldWidgets.bind(this);
+        this.on('change', this.$updateFoldWidgets);
+        this.on('tokenizerUpdate', this.$tokenizerUpdateFoldWidgets);
+    };
+
+    this.getParentFoldRangeData = function (row, ignoreCurrent) {
+        var fw = this.foldWidgets;
+        if (!fw || (ignoreCurrent && fw[row]))
+            return {};
+
+        var i = row - 1, firstRange;
+        while (i >= 0) {
+            var c = fw[i];
+            if (c == null)
+                c = fw[i] = this.getFoldWidget(i);
+
+            if (c == "start") {
+                var range = this.getFoldWidgetRange(i);
+                if (!firstRange)
+                    firstRange = range;
+                if (range && range.end.row >= row)
+                    break;
+            }
+            i--;
+        }
+
+        return {
+            range: i !== -1 && range,
+            firstRange: firstRange
+        };
+    }
+
+    this.onFoldWidgetClick = function(row, e) {
+        e = e.domEvent;
+        var options = {
+            children: e.shiftKey,
+            all: e.ctrlKey || e.metaKey,
+            siblings: e.altKey
+        };
+
+        var range = this.$toggleFoldWidget(row, options);
+        if (!range) {
+            var el = (e.target || e.srcElement)
+            if (el && /ace_fold-widget/.test(el.className))
+                el.className += " ace_invalid";
+        }
+    };
+
+    this.$toggleFoldWidget = function(row, options) {
+        if (!this.getFoldWidget)
+            return;
+        var type = this.getFoldWidget(row);
+        var line = this.getLine(row);
+
+        var dir = type === "end" ? -1 : 1;
+        var fold = this.getFoldAt(row, dir === -1 ? 0 : line.length, dir);
+
+        if (fold) {
+            if (options.children || options.all)
+                this.removeFold(fold);
+            else
+                this.expandFold(fold);
+            return;
+        }
+
+        var range = this.getFoldWidgetRange(row, true);
+        if (range && !range.isMultiLine()) {
+            fold = this.getFoldAt(range.start.row, range.start.column, 1);
+            if (fold && range.isEqual(fold.range)) {
+                this.removeFold(fold);
+                return;
+            }
+        }
+
+        if (options.siblings) {
+            var data = this.getParentFoldRangeData(row);
+            if (data.range) {
+                var startRow = data.range.start.row + 1;
+                var endRow = data.range.end.row;
+            }
+            this.foldAll(startRow, endRow, options.all ? 10000 : 0);
+        } else if (options.children) {
+            endRow = range ? range.end.row : this.getLength();
+            this.foldAll(row + 1, range.end.row, options.all ? 10000 : 0);
+        } else if (range) {
+            if (options.all)
+                range.collapseChildren = 10000;
+            this.addFold("...", range);
+        }
+
+        return range;
+    };
+
+
+
+    this.toggleFoldWidget = function(toggleParent) {
+        var row = this.selection.getCursor().row;
+        row = this.getRowFoldStart(row);
+        var range = this.$toggleFoldWidget(row, {});
+
+        if (range)
+            return;
+        var data = this.getParentFoldRangeData(row, true);
+        range = data.range || data.firstRange;
+
+        if (range) {
+            row = range.start.row;
+            var fold = this.getFoldAt(row, this.getLine(row).length, 1);
+
+            if (fold) {
+                this.removeFold(fold);
+            } else {
+                this.addFold("...", range);
+            }
+        }
+    };
+
+    this.updateFoldWidgets = function(e) {
+        var delta = e.data;
+        var range = delta.range;
+        var firstRow = range.start.row;
+        var len = range.end.row - firstRow;
+
+        if (len === 0) {
+            this.foldWidgets[firstRow] = null;
+        } else if (delta.action == "removeText" || delta.action == "removeLines") {
+            this.foldWidgets.splice(firstRow, len + 1, null);
+        } else {
+            var args = Array(len + 1);
+            args.unshift(firstRow, 1);
+            this.foldWidgets.splice.apply(this.foldWidgets, args);
+        }
+    };
+    this.tokenizerUpdateFoldWidgets = function(e) {
+        var rows = e.data;
+        if (rows.first != rows.last) {
+            if (this.foldWidgets.length > rows.first)
+                this.foldWidgets.splice(rows.first, this.foldWidgets.length);
+        }
+    }
+}
+
+exports.Folding = Folding;
+
+});
+
+define("ace/edit_session/bracket_match",["require","exports","module","ace/token_iterator","ace/range"], function(require, exports, module) {
+"use strict";
+
+var TokenIterator = require("../token_iterator").TokenIterator;
+var Range = require("../range").Range;
+
+
+function BracketMatch() {
+
+    this.findMatchingBracket = function(position, chr) {
+        if (position.column == 0) return null;
+
+        var charBeforeCursor = chr || this.getLine(position.row).charAt(position.column-1);
+        if (charBeforeCursor == "") return null;
+
+        var match = charBeforeCursor.match(/([\(\[\{])|([\)\]\}])/);
+        if (!match)
+            return null;
+
+        if (match[1])
+            return this.$findClosingBracket(match[1], position);
+        else
+            return this.$findOpeningBracket(match[2], position);
+    };
+
+    this.getBracketRange = function(pos) {
+        var line = this.getLine(pos.row);
+        var before = true, range;
+
+        var chr = line.charAt(pos.column-1);
+        var match = chr && chr.match(/([\(\[\{])|([\)\]\}])/);
+        if (!match) {
+            chr = line.charAt(pos.column);
+            pos = {row: pos.row, column: pos.column + 1};
+            match = chr && chr.match(/([\(\[\{])|([\)\]\}])/);
+            before = false;
+        }
+        if (!match)
+            return null;
+
+        if (match[1]) {
+            var bracketPos = this.$findClosingBracket(match[1], pos);
+            if (!bracketPos)
+                return null;
+            range = Range.fromPoints(pos, bracketPos);
+            if (!before) {
+                range.end.column++;
+                range.start.column--;
+            }
+            range.cursor = range.end;
+        } else {
+            var bracketPos = this.$findOpeningBracket(match[2], pos);
+            if (!bracketPos)
+                return null;
+            range = Range.fromPoints(bracketPos, pos);
+            if (!before) {
+                range.start.column++;
+                range.end.column--;
+            }
+            range.cursor = range.start;
+        }
+
+        return range;
+    };
+
+    this.$brackets = {
+        ")": "(",
+        "(": ")",
+        "]": "[",
+        "[": "]",
+        "{": "}",
+        "}": "{"
+    };
+
+    this.$findOpeningBracket = function(bracket, position, typeRe) {
+        var openBracket = this.$brackets[bracket];
+        var depth = 1;
+
+        var iterator = new TokenIterator(this, position.row, position.column);
+        var token = iterator.getCurrentToken();
+        if (!token)
+            token = iterator.stepForward();
+        if (!token)
+            return;
+
+         if (!typeRe){
+            typeRe = new RegExp(
+                "(\\.?" +
+                token.type.replace(".", "\\.").replace("rparen", ".paren")
+                    .replace(/\b(?:end|start|begin)\b/, "")
+                + ")+"
+            );
+        }
+        var valueIndex = position.column - iterator.getCurrentTokenColumn() - 2;
+        var value = token.value;
+
+        while (true) {
+
+            while (valueIndex >= 0) {
+                var chr = value.charAt(valueIndex);
+                if (chr == openBracket) {
+                    depth -= 1;
+                    if (depth == 0) {
+                        return {row: iterator.getCurrentTokenRow(),
+                            column: valueIndex + iterator.getCurrentTokenColumn()};
+                    }
+                }
+                else if (chr == bracket) {
+                    depth += 1;
+                }
+                valueIndex -= 1;
+            }
+            do {
+                token = iterator.stepBackward();
+            } while (token && !typeRe.test(token.type));
+
+            if (token == null)
+                break;
+
+            value = token.value;
+            valueIndex = value.length - 1;
+        }
+
+        return null;
+    };
+
+    this.$findClosingBracket = function(bracket, position, typeRe) {
+        var closingBracket = this.$brackets[bracket];
+        var depth = 1;
+
+        var iterator = new TokenIterator(this, position.row, position.column);
+        var token = iterator.getCurrentToken();
+        if (!token)
+            token = iterator.stepForward();
+        if (!token)
+            return;
+
+        if (!typeRe){
+            typeRe = new RegExp(
+                "(\\.?" +
+                token.type.replace(".", "\\.").replace("lparen", ".paren")
+                    .replace(/\b(?:end|start|begin)\b/, "")
+                + ")+"
+            );
+        }
+        var valueIndex = position.column - iterator.getCurrentTokenColumn();
+
+        while (true) {
+
+            var value = token.value;
+            var valueLength = value.length;
+            while (valueIndex < valueLength) {
+                var chr = value.charAt(valueIndex);
+                if (chr == closingBracket) {
+                    depth -= 1;
+                    if (depth == 0) {
+                        return {row: iterator.getCurrentTokenRow(),
+                            column: valueIndex + iterator.getCurrentTokenColumn()};
+                    }
+                }
+                else if (chr == bracket) {
+                    depth += 1;
+                }
+                valueIndex += 1;
+            }
+            do {
+                token = iterator.stepForward();
+            } while (token && !typeRe.test(token.type));
+
+            if (token == null)
+                break;
+
+            valueIndex = 0;
+        }
+
+        return null;
+    };
+}
+exports.BracketMatch = BracketMatch;
+
+});
+
+define("ace/edit_session",["require","exports","module","ace/lib/oop","ace/lib/lang","ace/config","ace/lib/event_emitter","ace/selection","ace/mode/text","ace/range","ace/document","ace/background_tokenizer","ace/search_highlight","ace/edit_session/folding","ace/edit_session/bracket_match"], function(require, exports, module) {
+"use strict";
+
+var oop = require("./lib/oop");
+var lang = require("./lib/lang");
+var config = require("./config");
+var EventEmitter = require("./lib/event_emitter").EventEmitter;
+var Selection = require("./selection").Selection;
+var TextMode = require("./mode/text").Mode;
+var Range = require("./range").Range;
+var Document = require("./document").Document;
+var BackgroundTokenizer = require("./background_tokenizer").BackgroundTokenizer;
+var SearchHighlight = require("./search_highlight").SearchHighlight;
+
+var EditSession = function(text, mode) {
+    this.$breakpoints = [];
+    this.$decorations = [];
+    this.$frontMarkers = {};
+    this.$backMarkers = {};
+    this.$markerId = 1;
+    this.$undoSelect = true;
+
+    this.$foldData = [];
+    this.$foldData.toString = function() {
+        return this.join("\n");
+    }
+    this.on("changeFold", this.onChangeFold.bind(this));
+    this.$onChange = this.onChange.bind(this);
+
+    if (typeof text != "object" || !text.getLine)
+        text = new Document(text);
+
+    this.setDocument(text);
+    this.selection = new Selection(this);
+
+    config.resetOptions(this);
+    this.setMode(mode);
+    config._signal("session", this);
+};
+
+
+(function() {
+
+    oop.implement(this, EventEmitter);
+    this.setDocument = function(doc) {
+        if (this.doc)
+            this.doc.removeListener("change", this.$onChange);
+
+        this.doc = doc;
+        doc.on("change", this.$onChange);
+
+        if (this.bgTokenizer)
+            this.bgTokenizer.setDocument(this.getDocument());
+
+        this.resetCaches();
+    };
+    this.getDocument = function() {
+        return this.doc;
+    };
+    this.$resetRowCache = function(docRow) {
+        if (!docRow) {
+            this.$docRowCache = [];
+            this.$screenRowCache = [];
+            return;
+        }
+        var l = this.$docRowCache.length;
+        var i = this.$getRowCacheIndex(this.$docRowCache, docRow) + 1;
+        if (l > i) {
+            this.$docRowCache.splice(i, l);
+            this.$screenRowCache.splice(i, l);
+        }
+    };
+
+    this.$getRowCacheIndex = function(cacheArray, val) {
+        var low = 0;
+        var hi = cacheArray.length - 1;
+
+        while (low <= hi) {
+            var mid = (low + hi) >> 1;
+            var c = cacheArray[mid];
+
+            if (val > c)
+                low = mid + 1;
+            else if (val < c)
+                hi = mid - 1;
+            else
+                return mid;
+        }
+
+        return low -1;
+    };
+
+    this.resetCaches = function() {
+        this.$modified = true;
+        this.$wrapData = [];
+        this.$rowLengthCache = [];
+        this.$resetRowCache(0);
+        if (this.bgTokenizer)
+            this.bgTokenizer.start(0);
+    };
+
+    this.onChangeFold = function(e) {
+        var fold = e.data;
+        this.$resetRowCache(fold.start.row);
+    };
+
+    this.onChange = function(e) {
+        var delta = e.data;
+        this.$modified = true;
+
+        this.$resetRowCache(delta.range.start.row);
+
+        var removedFolds = this.$updateInternalDataOnChange(e);
+        if (!this.$fromUndo && this.$undoManager && !delta.ignore) {
+            this.$deltasDoc.push(delta);
+            if (removedFolds && removedFolds.length != 0) {
+                this.$deltasFold.push({
+                    action: "removeFolds",
+                    folds:  removedFolds
+                });
+            }
+
+            this.$informUndoManager.schedule();
+        }
+
+        this.bgTokenizer && this.bgTokenizer.$updateOnChange(delta);
+        this._signal("change", e);
+    };
+    this.setValue = function(text) {
+        this.doc.setValue(text);
+        this.selection.moveTo(0, 0);
+
+        this.$resetRowCache(0);
+        this.$deltas = [];
+        this.$deltasDoc = [];
+        this.$deltasFold = [];
+        this.setUndoManager(this.$undoManager);
+        this.getUndoManager().reset();
+    };
+    this.getValue =
+    this.toString = function() {
+        return this.doc.getValue();
+    };
+    this.getSelection = function() {
+        return this.selection;
+    };
+    this.getState = function(row) {
+        return this.bgTokenizer.getState(row);
+    };
+    this.getTokens = function(row) {
+        return this.bgTokenizer.getTokens(row);
+    };
+    this.getTokenAt = function(row, column) {
+        var tokens = this.bgTokenizer.getTokens(row);
+        var token, c = 0;
+        if (column == null) {
+            i = tokens.length - 1;
+            c = this.getLine(row).length;
+        } else {
+            for (var i = 0; i < tokens.length; i++) {
+                c += tokens[i].value.length;
+                if (c >= column)
+                    break;
+            }
+        }
+        token = tokens[i];
+        if (!token)
+            return null;
+        token.index = i;
+        token.start = c - token.value.length;
+        return token;
+    };
+    this.setUndoManager = function(undoManager) {
+        this.$undoManager = undoManager;
+        this.$deltas = [];
+        this.$deltasDoc = [];
+        this.$deltasFold = [];
+
+        if (this.$informUndoManager)
+            this.$informUndoManager.cancel();
+
+        if (undoManager) {
+            var self = this;
+
+            this.$syncInformUndoManager = function() {
+                self.$informUndoManager.cancel();
+
+                if (self.$deltasFold.length) {
+                    self.$deltas.push({
+                        group: "fold",
+                        deltas: self.$deltasFold
+                    });
+                    self.$deltasFold = [];
+                }
+
+                if (self.$deltasDoc.length) {
+                    self.$deltas.push({
+                        group: "doc",
+                        deltas: self.$deltasDoc
+                    });
+                    self.$deltasDoc = [];
+                }
+
+                if (self.$deltas.length > 0) {
+                    undoManager.execute({
+                        action: "aceupdate",
+                        args: [self.$deltas, self],
+                        merge: self.mergeUndoDeltas
+                    });
+                }
+                self.mergeUndoDeltas = false;
+                self.$deltas = [];
+            };
+            this.$informUndoManager = lang.delayedCall(this.$syncInformUndoManager);
+        }
+    };
+    this.markUndoGroup = function() {
+        if (this.$syncInformUndoManager)
+            this.$syncInformUndoManager();
+    };
+
+    this.$defaultUndoManager = {
+        undo: function() {},
+        redo: function() {},
+        reset: function() {}
+    };
+    this.getUndoManager = function() {
+        return this.$undoManager || this.$defaultUndoManager;
+    };
+    this.getTabString = function() {
+        if (this.getUseSoftTabs()) {
+            return lang.stringRepeat(" ", this.getTabSize());
+        } else {
+            return "\t";
+        }
+    };
+    this.setUseSoftTabs = function(val) {
+        this.setOption("useSoftTabs", val);
+    };
+    this.getUseSoftTabs = function() {
+        return this.$useSoftTabs && !this.$mode.$indentWithTabs;
+    };
+    this.setTabSize = function(tabSize) {
+        this.setOption("tabSize", tabSize);
+    };
+    this.getTabSize = function() {
+        return this.$tabSize;
+    };
+    this.isTabStop = function(position) {
+        return this.$useSoftTabs && (position.column % this.$tabSize === 0);
+    };
+
+    this.$overwrite = false;
+    this.setOverwrite = function(overwrite) {
+        this.setOption("overwrite", overwrite);
+    };
+    this.getOverwrite = function() {
+        return this.$overwrite;
+    };
+    this.toggleOverwrite = function() {
+        this.setOverwrite(!this.$overwrite);
+    };
+    this.addGutterDecoration = function(row, className) {
+        if (!this.$decorations[row])
+            this.$decorations[row] = "";
+        this.$decorations[row] += " " + className;
+        this._signal("changeBreakpoint", {});
+    };
+    this.removeGutterDecoration = function(row, className) {
+        this.$decorations[row] = (this.$decorations[row] || "").replace(" " + className, "");
+        this._signal("changeBreakpoint", {});
+    };
+    this.getBreakpoints = function() {
+        return this.$breakpoints;
+    };
+    this.setBreakpoints = function(rows) {
+        this.$breakpoints = [];
+        for (var i=0; i<rows.length; i++) {
+            this.$breakpoints[rows[i]] = "ace_breakpoint";
+        }
+        this._signal("changeBreakpoint", {});
+    };
+    this.clearBreakpoints = function() {
+        this.$breakpoints = [];
+        this._signal("changeBreakpoint", {});
+    };
+    this.setBreakpoint = function(row, className) {
+        if (className === undefined)
+            className = "ace_breakpoint";
+        if (className)
+            this.$breakpoints[row] = className;
+        else
+            delete this.$breakpoints[row];
+        this._signal("changeBreakpoint", {});
+    };
+    this.clearBreakpoint = function(row) {
+        delete this.$breakpoints[row];
+        this._signal("changeBreakpoint", {});
+    };
+    this.addMarker = function(range, clazz, type, inFront) {
+        var id = this.$markerId++;
+
+        var marker = {
+            range : range,
+            type : type || "line",
+            renderer: typeof type == "function" ? type : null,
+            clazz : clazz,
+            inFront: !!inFront,
+            id: id
+        };
+
+        if (inFront) {
+            this.$frontMarkers[id] = marker;
+            this._signal("changeFrontMarker");
+        } else {
+            this.$backMarkers[id] = marker;
+            this._signal("changeBackMarker");
+        }
+
+        return id;
+    };
+    this.addDynamicMarker = function(marker, inFront) {
+        if (!marker.update)
+            return;
+        var id = this.$markerId++;
+        marker.id = id;
+        marker.inFront = !!inFront;
+
+        if (inFront) {
+            this.$frontMarkers[id] = marker;
+            this._signal("changeFrontMarker");
+        } else {
+            this.$backMarkers[id] = marker;
+            this._signal("changeBackMarker");
+        }
+
+        return marker;
+    };
+    this.removeMarker = function(markerId) {
+        var marker = this.$frontMarkers[markerId] || this.$backMarkers[markerId];
+        if (!marker)
+            return;
+
+        var markers = marker.inFront ? this.$frontMarkers : this.$backMarkers;
+        if (marker) {
+            delete (markers[markerId]);
+            this._signal(marker.inFront ? "changeFrontMarker" : "changeBackMarker");
+        }
+    };
+    this.getMarkers = function(inFront) {
+        return inFront ? this.$frontMarkers : this.$backMarkers;
+    };
+
+    this.highlight = function(re) {
+        if (!this.$searchHighlight) {
+            var highlight = new SearchHighlight(null, "ace_selected-word", "text");
+            this.$searchHighlight = this.addDynamicMarker(highlight);
+        }
+        this.$searchHighlight.setRegexp(re);
+    };
+    this.highlightLines = function(startRow, endRow, clazz, inFront) {
+        if (typeof endRow != "number") {
+            clazz = endRow;
+            endRow = startRow;
+        }
+        if (!clazz)
+            clazz = "ace_step";
+
+        var range = new Range(startRow, 0, endRow, Infinity);
+        range.id = this.addMarker(range, clazz, "fullLine", inFront);
+        return range;
+    };
+    this.setAnnotations = function(annotations) {
+        this.$annotations = annotations;
+        this._signal("changeAnnotation", {});
+    };
+    this.getAnnotations = function() {
+        return this.$annotations || [];
+    };
+    this.clearAnnotations = function() {
+        this.setAnnotations([]);
+    };
+    this.$detectNewLine = function(text) {
+        var match = text.match(/^.*?(\r?\n)/m);
+        if (match) {
+            this.$autoNewLine = match[1];
+        } else {
+            this.$autoNewLine = "\n";
+        }
+    };
+    this.getWordRange = function(row, column) {
+        var line = this.getLine(row);
+
+        var inToken = false;
+        if (column > 0)
+            inToken = !!line.charAt(column - 1).match(this.tokenRe);
+
+        if (!inToken)
+            inToken = !!line.charAt(column).match(this.tokenRe);
+
+        if (inToken)
+            var re = this.tokenRe;
+        else if (/^\s+$/.test(line.slice(column-1, column+1)))
+            var re = /\s/;
+        else
+            var re = this.nonTokenRe;
+
+        var start = column;
+        if (start > 0) {
+            do {
+                start--;
+            }
+            while (start >= 0 && line.charAt(start).match(re));
+            start++;
+        }
+
+        var end = column;
+        while (end < line.length && line.charAt(end).match(re)) {
+            end++;
+        }
+
+        return new Range(row, start, row, end);
+    };
+    this.getAWordRange = function(row, column) {
+        var wordRange = this.getWordRange(row, column);
+        var line = this.getLine(wordRange.end.row);
+
+        while (line.charAt(wordRange.end.column).match(/[ \t]/)) {
+            wordRange.end.column += 1;
+        }
+        return wordRange;
+    };
+    this.setNewLineMode = function(newLineMode) {
+        this.doc.setNewLineMode(newLineMode);
+    };
+    this.getNewLineMode = function() {
+        return this.doc.getNewLineMode();
+    };
+    this.setUseWorker = function(useWorker) { this.setOption("useWorker", useWorker); };
+    this.getUseWorker = function() { return this.$useWorker; };
+    this.onReloadTokenizer = function(e) {
+        var rows = e.data;
+        this.bgTokenizer.start(rows.first);
+        this._signal("tokenizerUpdate", e);
+    };
+
+    this.$modes = {};
+    this.$mode = null;
+    this.$modeId = null;
+    this.setMode = function(mode, cb) {
+        if (mode && typeof mode === "object") {
+            if (mode.getTokenizer)
+                return this.$onChangeMode(mode);
+            var options = mode;
+            var path = options.path;
+        } else {
+            path = mode || "ace/mode/text";
+        }
+        if (!this.$modes["ace/mode/text"])
+            this.$modes["ace/mode/text"] = new TextMode();
+
+        if (this.$modes[path] && !options) {
+            this.$onChangeMode(this.$modes[path]);
+            cb && cb();
+            return;
+        }
+        this.$modeId = path;
+        config.loadModule(["mode", path], function(m) {
+            if (this.$modeId !== path)
+                return cb && cb();
+            if (this.$modes[path] && !options)
+                return this.$onChangeMode(this.$modes[path]);
+            if (m && m.Mode) {
+                m = new m.Mode(options);
+                if (!options) {
+                    this.$modes[path] = m;
+                    m.$id = path;
+                }
+                this.$onChangeMode(m);
+                cb && cb();
+            }
+        }.bind(this));
+        if (!this.$mode)
+            this.$onChangeMode(this.$modes["ace/mode/text"], true);
+    };
+
+    this.$onChangeMode = function(mode, $isPlaceholder) {
+        if (!$isPlaceholder)
+            this.$modeId = mode.$id;
+        if (this.$mode === mode)
+            return;
+
+        this.$mode = mode;
+
+        this.$stopWorker();
+
+        if (this.$useWorker)
+            this.$startWorker();
+
+        var tokenizer = mode.getTokenizer();
+
+        if(tokenizer.addEventListener !== undefined) {
+            var onReloadTokenizer = this.onReloadTokenizer.bind(this);
+            tokenizer.addEventListener("update", onReloadTokenizer);
+        }
+
+        if (!this.bgTokenizer) {
+            this.bgTokenizer = new BackgroundTokenizer(tokenizer);
+            var _self = this;
+            this.bgTokenizer.addEventListener("update", function(e) {
+                _self._signal("tokenizerUpdate", e);
+            });
+        } else {
+            this.bgTokenizer.setTokenizer(tokenizer);
+        }
+
+        this.bgTokenizer.setDocument(this.getDocument());
+
+        this.tokenRe = mode.tokenRe;
+        this.nonTokenRe = mode.nonTokenRe;
+
+
+        if (!$isPlaceholder) {
+            if (mode.attachToSession)
+                mode.attachToSession(this);
+            this.$options.wrapMethod.set.call(this, this.$wrapMethod);
+            this.$setFolding(mode.foldingRules);
+            this.bgTokenizer.start(0);
+            this._emit("changeMode");
+        }
+    };
+
+    this.$stopWorker = function() {
+        if (this.$worker) {
+            this.$worker.terminate();
+            this.$worker = null;
+        }
+    };
+
+    this.$startWorker = function() {
+        try {
+            this.$worker = this.$mode.createWorker(this);
+        } catch (e) {
+            config.warn("Could not load worker", e);
+            this.$worker = null;
+        }
+    };
+    this.getMode = function() {
+        return this.$mode;
+    };
+
+    this.$scrollTop = 0;
+    this.setScrollTop = function(scrollTop) {
+        if (this.$scrollTop === scrollTop || isNaN(scrollTop))
+            return;
+
+        this.$scrollTop = scrollTop;
+        this._signal("changeScrollTop", scrollTop);
+    };
+    this.getScrollTop = function() {
+        return this.$scrollTop;
+    };
+
+    this.$scrollLeft = 0;
+    this.setScrollLeft = function(scrollLeft) {
+        if (this.$scrollLeft === scrollLeft || isNaN(scrollLeft))
+            return;
+
+        this.$scrollLeft = scrollLeft;
+        this._signal("changeScrollLeft", scrollLeft);
+    };
+    this.getScrollLeft = function() {
+        return this.$scrollLeft;
+    };
+    this.getScreenWidth = function() {
+        this.$computeWidth();
+        if (this.lineWidgets)
+            return Math.max(this.getLineWidgetMaxWidth(), this.screenWidth);
+        return this.screenWidth;
+    };
+
+    this.getLineWidgetMaxWidth = function() {
+        if (this.lineWidgetsWidth != null) return this.lineWidgetsWidth;
+        var width = 0;
+        this.lineWidgets.forEach(function(w) {
+            if (w && w.screenWidth > width)
+                width = w.screenWidth;
+        });
+        return this.lineWidgetWidth = width;
+    };
+
+    this.$computeWidth = function(force) {
+        if (this.$modified || force) {
+            this.$modified = false;
+
+            if (this.$useWrapMode)
+                return this.screenWidth = this.$wrapLimit;
+
+            var lines = this.doc.getAllLines();
+            var cache = this.$rowLengthCache;
+            var longestScreenLine = 0;
+            var foldIndex = 0;
+            var foldLine = this.$foldData[foldIndex];
+            var foldStart = foldLine ? foldLine.start.row : Infinity;
+            var len = lines.length;
+
+            for (var i = 0; i < len; i++) {
+                if (i > foldStart) {
+                    i = foldLine.end.row + 1;
+                    if (i >= len)
+                        break;
+                    foldLine = this.$foldData[foldIndex++];
+                    foldStart = foldLine ? foldLine.start.row : Infinity;
+                }
+
+                if (cache[i] == null)
+                    cache[i] = this.$getStringScreenWidth(lines[i])[0];
+
+                if (cache[i] > longestScreenLine)
+                    longestScreenLine = cache[i];
+            }
+            this.screenWidth = longestScreenLine;
+        }
+    };
+    this.getLine = function(row) {
+        return this.doc.getLine(row);
+    };
+    this.getLines = function(firstRow, lastRow) {
+        return this.doc.getLines(firstRow, lastRow);
+    };
+    this.getLength = function() {
+        return this.doc.getLength();
+    };
+    this.getTextRange = function(range) {
+        return this.doc.getTextRange(range || this.selection.getRange());
+    };
+    this.insert = function(position, text) {
+        return this.doc.insert(position, text);
+    };
+    this.remove = function(range) {
+        return this.doc.remove(range);
+    };
+    this.undoChanges = function(deltas, dontSelect) {
+        if (!deltas.length)
+            return;
+
+        this.$fromUndo = true;
+        var lastUndoRange = null;
+        for (var i = deltas.length - 1; i != -1; i--) {
+            var delta = deltas[i];
+            if (delta.group == "doc") {
+                this.doc.revertDeltas(delta.deltas);
+                lastUndoRange =
+                    this.$getUndoSelection(delta.deltas, true, lastUndoRange);
+            } else {
+                delta.deltas.forEach(function(foldDelta) {
+                    this.addFolds(foldDelta.folds);
+                }, this);
+            }
+        }
+        this.$fromUndo = false;
+        lastUndoRange &&
+            this.$undoSelect &&
+            !dontSelect &&
+            this.selection.setSelectionRange(lastUndoRange);
+        return lastUndoRange;
+    };
+    this.redoChanges = function(deltas, dontSelect) {
+        if (!deltas.length)
+            return;
+
+        this.$fromUndo = true;
+        var lastUndoRange = null;
+        for (var i = 0; i < deltas.length; i++) {
+            var delta = deltas[i];
+            if (delta.group == "doc") {
+                this.doc.applyDeltas(delta.deltas);
+                lastUndoRange =
+                    this.$getUndoSelection(delta.deltas, false, lastUndoRange);
+            }
+        }
+        this.$fromUndo = false;
+        lastUndoRange &&
+            this.$undoSelect &&
+            !dontSelect &&
+            this.selection.setSelectionRange(lastUndoRange);
+        return lastUndoRange;
+    };
+    this.setUndoSelect = function(enable) {
+        this.$undoSelect = enable;
+    };
+
+    this.$getUndoSelection = function(deltas, isUndo, lastUndoRange) {
+        function isInsert(delta) {
+            var insert =
+                delta.action === "insertText" || delta.action === "insertLines";
+            return isUndo ? !insert : insert;
+        }
+
+        var delta = deltas[0];
+        var range, point;
+        var lastDeltaIsInsert = false;
+        if (isInsert(delta)) {
+            range = Range.fromPoints(delta.range.start, delta.range.end);
+            lastDeltaIsInsert = true;
+        } else {
+            range = Range.fromPoints(delta.range.start, delta.range.start);
+            lastDeltaIsInsert = false;
+        }
+
+        for (var i = 1; i < deltas.length; i++) {
+            delta = deltas[i];
+            if (isInsert(delta)) {
+                point = delta.range.start;
+                if (range.compare(point.row, point.column) == -1) {
+                    range.setStart(delta.range.start);
+                }
+                point = delta.range.end;
+                if (range.compare(point.row, point.column) == 1) {
+                    range.setEnd(delta.range.end);
+                }
+                lastDeltaIsInsert = true;
+            } else {
+                point = delta.range.start;
+                if (range.compare(point.row, point.column) == -1) {
+                    range =
+                        Range.fromPoints(delta.range.start, delta.range.start);
+                }
+                lastDeltaIsInsert = false;
+            }
+        }
+        if (lastUndoRange != null) {
+            if (Range.comparePoints(lastUndoRange.start, range.start) === 0) {
+                lastUndoRange.start.column += range.end.column - range.start.column;
+                lastUndoRange.end.column += range.end.column - range.start.column;
+            }
+
+            var cmp = lastUndoRange.compareRange(range);
+            if (cmp == 1) {
+                range.setStart(lastUndoRange.start);
+            } else if (cmp == -1) {
+                range.setEnd(lastUndoRange.end);
+            }
+        }
+
+        return range;
+    };
+    this.replace = function(range, text) {
+        return this.doc.replace(range, text);
+    };
+    this.moveText = function(fromRange, toPosition, copy) {
+        var text = this.getTextRange(fromRange);
+        var folds = this.getFoldsInRange(fromRange);
+
+        var toRange = Range.fromPoints(toPosition, toPosition);
+        if (!copy) {
+            this.remove(fromRange);
+            var rowDiff = fromRange.start.row - fromRange.end.row;
+            var collDiff = rowDiff ? -fromRange.end.column : fromRange.start.column - fromRange.end.column;
+            if (collDiff) {
+                if (toRange.start.row == fromRange.end.row && toRange.start.column > fromRange.end.column)
+                    toRange.start.column += collDiff;
+                if (toRange.end.row == fromRange.end.row && toRange.end.column > fromRange.end.column)
+                    toRange.end.column += collDiff;
+            }
+            if (rowDiff && toRange.start.row >= fromRange.end.row) {
+                toRange.start.row += rowDiff;
+                toRange.end.row += rowDiff;
+            }
+        }
+
+        toRange.end = this.insert(toRange.start, text);
+        if (folds.length) {
+            var oldStart = fromRange.start;
+            var newStart = toRange.start;
+            var rowDiff = newStart.row - oldStart.row;
+            var collDiff = newStart.column - oldStart.column;
+            this.addFolds(folds.map(function(x) {
+                x = x.clone();
+                if (x.start.row == oldStart.row)
+                    x.start.column += collDiff;
+                if (x.end.row == oldStart.row)
+                    x.end.column += collDiff;
+                x.start.row += rowDiff;
+                x.end.row += rowDiff;
+                return x;
+            }));
+        }
+
+        return toRange;
+    };
+    this.indentRows = function(startRow, endRow, indentString) {
+        indentString = indentString.replace(/\t/g, this.getTabString());
+        for (var row=startRow; row<=endRow; row++)
+            this.insert({row: row, column:0}, indentString);
+    };
+    this.outdentRows = function (range) {
+        var rowRange = range.collapseRows();
+        var deleteRange = new Range(0, 0, 0, 0);
+        var size = this.getTabSize();
+
+        for (var i = rowRange.start.row; i <= rowRange.end.row; ++i) {
+            var line = this.getLine(i);
+
+            deleteRange.start.row = i;
+            deleteRange.end.row = i;
+            for (var j = 0; j < size; ++j)
+                if (line.charAt(j) != ' ')
+                    break;
+            if (j < size && line.charAt(j) == '\t') {
+                deleteRange.start.column = j;
+                deleteRange.end.column = j + 1;
+            } else {
+                deleteRange.start.column = 0;
+                deleteRange.end.column = j;
+            }
+            this.remove(deleteRange);
+        }
+    };
+
+    this.$moveLines = function(firstRow, lastRow, dir) {
+        firstRow = this.getRowFoldStart(firstRow);
+        lastRow = this.getRowFoldEnd(lastRow);
+        if (dir < 0) {
+            var row = this.getRowFoldStart(firstRow + dir);
+            if (row < 0) return 0;
+            var diff = row-firstRow;
+        } else if (dir > 0) {
+            var row = this.getRowFoldEnd(lastRow + dir);
+            if (row > this.doc.getLength()-1) return 0;
+            var diff = row-lastRow;
+        } else {
+            firstRow = this.$clipRowToDocument(firstRow);
+            lastRow = this.$clipRowToDocument(lastRow);
+            var diff = lastRow - firstRow + 1;
+        }
+
+        var range = new Range(firstRow, 0, lastRow, Number.MAX_VALUE);
+        var folds = this.getFoldsInRange(range).map(function(x){
+            x = x.clone();
+            x.start.row += diff;
+            x.end.row += diff;
+            return x;
+        });
+
+        var lines = dir == 0
+            ? this.doc.getLines(firstRow, lastRow)
+            : this.doc.removeLines(firstRow, lastRow);
+        this.doc.insertLines(firstRow+diff, lines);
+        folds.length && this.addFolds(folds);
+        return diff;
+    };
+    this.moveLinesUp = function(firstRow, lastRow) {
+        return this.$moveLines(firstRow, lastRow, -1);
+    };
+    this.moveLinesDown = function(firstRow, lastRow) {
+        return this.$moveLines(firstRow, lastRow, 1);
+    };
+    this.duplicateLines = function(firstRow, lastRow) {
+        return this.$moveLines(firstRow, lastRow, 0);
+    };
+
+
+    this.$clipRowToDocument = function(row) {
+        return Math.max(0, Math.min(row, this.doc.getLength()-1));
+    };
+
+    this.$clipColumnToRow = function(row, column) {
+        if (column < 0)
+            return 0;
+        return Math.min(this.doc.getLine(row).length, column);
+    };
+
+
+    this.$clipPositionToDocument = function(row, column) {
+        column = Math.max(0, column);
+
+        if (row < 0) {
+            row = 0;
+            column = 0;
+        } else {
+            var len = this.doc.getLength();
+            if (row >= len) {
+                row = len - 1;
+                column = this.doc.getLine(len-1).length;
+            } else {
+                column = Math.min(this.doc.getLine(row).length, column);
+            }
+        }
+
+        return {
+            row: row,
+            column: column
+        };
+    };
+
+    this.$clipRangeToDocument = function(range) {
+        if (range.start.row < 0) {
+            range.start.row = 0;
+            range.start.column = 0;
+        } else {
+            range.start.column = this.$clipColumnToRow(
+                range.start.row,
+                range.start.column
+            );
+        }
+
+        var len = this.doc.getLength() - 1;
+        if (range.end.row > len) {
+            range.end.row = len;
+            range.end.column = this.doc.getLine(len).length;
+        } else {
+            range.end.column = this.$clipColumnToRow(
+                range.end.row,
+                range.end.column
+            );
+        }
+        return range;
+    };
+    this.$wrapLimit = 80;
+    this.$useWrapMode = false;
+    this.$wrapLimitRange = {
+        min : null,
+        max : null
+    };
+    this.setUseWrapMode = function(useWrapMode) {
+        if (useWrapMode != this.$useWrapMode) {
+            this.$useWrapMode = useWrapMode;
+            this.$modified = true;
+            this.$resetRowCache(0);
+            if (useWrapMode) {
+                var len = this.getLength();
+                this.$wrapData = Array(len);
+                this.$updateWrapData(0, len - 1);
+            }
+
+            this._signal("changeWrapMode");
+        }
+    };
+    this.getUseWrapMode = function() {
+        return this.$useWrapMode;
+    };
+    this.setWrapLimitRange = function(min, max) {
+        if (this.$wrapLimitRange.min !== min || this.$wrapLimitRange.max !== max) {
+            this.$wrapLimitRange = {
+                min: min,
+                max: max
+            };
+            this.$modified = true;
+            this._signal("changeWrapMode");
+        }
+    };
+    this.adjustWrapLimit = function(desiredLimit, $printMargin) {
+        var limits = this.$wrapLimitRange;
+        if (limits.max < 0)
+            limits = {min: $printMargin, max: $printMargin};
+        var wrapLimit = this.$constrainWrapLimit(desiredLimit, limits.min, limits.max);
+        if (wrapLimit != this.$wrapLimit && wrapLimit > 1) {
+            this.$wrapLimit = wrapLimit;
+            this.$modified = true;
+            if (this.$useWrapMode) {
+                this.$updateWrapData(0, this.getLength() - 1);
+                this.$resetRowCache(0);
+                this._signal("changeWrapLimit");
+            }
+            return true;
+        }
+        return false;
+    };
+
+    this.$constrainWrapLimit = function(wrapLimit, min, max) {
+        if (min)
+            wrapLimit = Math.max(min, wrapLimit);
+
+        if (max)
+            wrapLimit = Math.min(max, wrapLimit);
+
+        return wrapLimit;
+    };
+    this.getWrapLimit = function() {
+        return this.$wrapLimit;
+    };
+    this.setWrapLimit = function (limit) {
+        this.setWrapLimitRange(limit, limit);
+    };
+    this.getWrapLimitRange = function() {
+        return {
+            min : this.$wrapLimitRange.min,
+            max : this.$wrapLimitRange.max
+        };
+    };
+
+    this.$updateInternalDataOnChange = function(e) {
+        var useWrapMode = this.$useWrapMode;
+        var len;
+        var action = e.data.action;
+        var firstRow = e.data.range.start.row;
+        var lastRow = e.data.range.end.row;
+        var start = e.data.range.start;
+        var end = e.data.range.end;
+        var removedFolds = null;
+
+        if (action.indexOf("Lines") != -1) {
+            if (action == "insertLines") {
+                lastRow = firstRow + (e.data.lines.length);
+            } else {
+                lastRow = firstRow;
+            }
+            len = e.data.lines ? e.data.lines.length : lastRow - firstRow;
+        } else {
+            len = lastRow - firstRow;
+        }
+
+        this.$updating = true;
+        if (len != 0) {
+            if (action.indexOf("remove") != -1) {
+                this[useWrapMode ? "$wrapData" : "$rowLengthCache"].splice(firstRow, len);
+
+                var foldLines = this.$foldData;
+                removedFolds = this.getFoldsInRange(e.data.range);
+                this.removeFolds(removedFolds);
+
+                var foldLine = this.getFoldLine(end.row);
+                var idx = 0;
+                if (foldLine) {
+                    foldLine.addRemoveChars(end.row, end.column, start.column - end.column);
+                    foldLine.shiftRow(-len);
+
+                    var foldLineBefore = this.getFoldLine(firstRow);
+                    if (foldLineBefore && foldLineBefore !== foldLine) {
+                        foldLineBefore.merge(foldLine);
+                        foldLine = foldLineBefore;
+                    }
+                    idx = foldLines.indexOf(foldLine) + 1;
+                }
+
+                for (idx; idx < foldLines.length; idx++) {
+                    var foldLine = foldLines[idx];
+                    if (foldLine.start.row >= end.row) {
+                        foldLine.shiftRow(-len);
+                    }
+                }
+
+                lastRow = firstRow;
+            } else {
+                var args = Array(len);
+                args.unshift(firstRow, 0);
+                var arr = useWrapMode ? this.$wrapData : this.$rowLengthCache
+                arr.splice.apply(arr, args);
+                var foldLines = this.$foldData;
+                var foldLine = this.getFoldLine(firstRow);
+                var idx = 0;
+                if (foldLine) {
+                    var cmp = foldLine.range.compareInside(start.row, start.column);
+                    if (cmp == 0) {
+                        foldLine = foldLine.split(start.row, start.column);
+                        if (foldLine) {
+                            foldLine.shiftRow(len);
+                            foldLine.addRemoveChars(lastRow, 0, end.column - start.column);
+                        }
+                    } else
+                    if (cmp == -1) {
+                        foldLine.addRemoveChars(firstRow, 0, end.column - start.column);
+                        foldLine.shiftRow(len);
+                    }
+                    idx = foldLines.indexOf(foldLine) + 1;
+                }
+
+                for (idx; idx < foldLines.length; idx++) {
+                    var foldLine = foldLines[idx];
+                    if (foldLine.start.row >= firstRow) {
+                        foldLine.shiftRow(len);
+                    }
+                }
+            }
+        } else {
+            len = Math.abs(e.data.range.start.column - e.data.range.end.column);
+            if (action.indexOf("remove") != -1) {
+                removedFolds = this.getFoldsInRange(e.data.range);
+                this.removeFolds(removedFolds);
+
+                len = -len;
+            }
+            var foldLine = this.getFoldLine(firstRow);
+            if (foldLine) {
+                foldLine.addRemoveChars(firstRow, start.column, len);
+            }
+        }
+
+        if (useWrapMode && this.$wrapData.length != this.doc.getLength()) {
+            console.error("doc.getLength() and $wrapData.length have to be the same!");
+        }
+        this.$updating = false;
+
+        if (useWrapMode)
+            this.$updateWrapData(firstRow, lastRow);
+        else
+            this.$updateRowLengthCache(firstRow, lastRow);
+
+        return removedFolds;
+    };
+
+    this.$updateRowLengthCache = function(firstRow, lastRow, b) {
+        this.$rowLengthCache[firstRow] = null;
+        this.$rowLengthCache[lastRow] = null;
+    };
+
+    this.$updateWrapData = function(firstRow, lastRow) {
+        var lines = this.doc.getAllLines();
+        var tabSize = this.getTabSize();
+        var wrapData = this.$wrapData;
+        var wrapLimit = this.$wrapLimit;
+        var tokens;
+        var foldLine;
+
+        var row = firstRow;
+        lastRow = Math.min(lastRow, lines.length - 1);
+        while (row <= lastRow) {
+            foldLine = this.getFoldLine(row, foldLine);
+            if (!foldLine) {
+                tokens = this.$getDisplayTokens(lines[row]);
+                wrapData[row] = this.$computeWrapSplits(tokens, wrapLimit, tabSize);
+                row ++;
+            } else {
+                tokens = [];
+                foldLine.walk(function(placeholder, row, column, lastColumn) {
+                        var walkTokens;
+                        if (placeholder != null) {
+                            walkTokens = this.$getDisplayTokens(
+                                            placeholder, tokens.length);
+                            walkTokens[0] = PLACEHOLDER_START;
+                            for (var i = 1; i < walkTokens.length; i++) {
+                                walkTokens[i] = PLACEHOLDER_BODY;
+                            }
+                        } else {
+                            walkTokens = this.$getDisplayTokens(
+                                lines[row].substring(lastColumn, column),
+                                tokens.length);
+                        }
+                        tokens = tokens.concat(walkTokens);
+                    }.bind(this),
+                    foldLine.end.row,
+                    lines[foldLine.end.row].length + 1
+                );
+
+                wrapData[foldLine.start.row] = this.$computeWrapSplits(tokens, wrapLimit, tabSize);
+                row = foldLine.end.row + 1;
+            }
+        }
+    };
+    var CHAR = 1,
+        CHAR_EXT = 2,
+        PLACEHOLDER_START = 3,
+        PLACEHOLDER_BODY =  4,
+        PUNCTUATION = 9,
+        SPACE = 10,
+        TAB = 11,
+        TAB_SPACE = 12;
+
+
+    this.$computeWrapSplits = function(tokens, wrapLimit) {
+        if (tokens.length == 0) {
+            return [];
+        }
+
+        var splits = [];
+        var displayLength = tokens.length;
+        var lastSplit = 0, lastDocSplit = 0;
+
+        var isCode = this.$wrapAsCode;
+
+        function addSplit(screenPos) {
+            var displayed = tokens.slice(lastSplit, screenPos);
+            var len = displayed.length;
+            displayed.join("").
+                replace(/12/g, function() {
+                    len -= 1;
+                }).
+                replace(/2/g, function() {
+                    len -= 1;
+                });
+
+            lastDocSplit += len;
+            splits.push(lastDocSplit);
+            lastSplit = screenPos;
+        }
+
+        while (displayLength - lastSplit > wrapLimit) {
+            var split = lastSplit + wrapLimit;
+            if (tokens[split - 1] >= SPACE && tokens[split] >= SPACE) {
+                addSplit(split);
+                continue;
+            }
+            if (tokens[split] == PLACEHOLDER_START || tokens[split] == PLACEHOLDER_BODY) {
+                for (split; split != lastSplit - 1; split--) {
+                    if (tokens[split] == PLACEHOLDER_START) {
+                        break;
+                    }
+                }
+                if (split > lastSplit) {
+                    addSplit(split);
+                    continue;
+                }
+                split = lastSplit + wrapLimit;
+                for (split; split < tokens.length; split++) {
+                    if (tokens[split] != PLACEHOLDER_BODY) {
+                        break;
+                    }
+                }
+                if (split == tokens.length) {
+                    break;  // Breaks the while-loop.
+                }
+                addSplit(split);
+                continue;
+            }
+            var minSplit = Math.max(split - (isCode ? 10 : wrapLimit-(wrapLimit>>2)), lastSplit - 1);
+            while (split > minSplit && tokens[split] < PLACEHOLDER_START) {
+                split --;
+            }
+            if (isCode) {
+                while (split > minSplit && tokens[split] < PLACEHOLDER_START) {
+                    split --;
+                }
+                while (split > minSplit && tokens[split] == PUNCTUATION) {
+                    split --;
+                }
+            } else {
+                while (split > minSplit && tokens[split] < SPACE) {
+                    split --;
+                }
+            }
+            if (split > minSplit) {
+                addSplit(++split);
+                continue;
+            }
+            split = lastSplit + wrapLimit;
+            if (tokens[split] == CHAR_EXT)
+                split--;
+            addSplit(split);
+        }
+        return splits;
+    };
+    this.$getDisplayTokens = function(str, offset) {
+        var arr = [];
+        var tabSize;
+        offset = offset || 0;
+
+        for (var i = 0; i < str.length; i++) {
+            var c = str.charCodeAt(i);
+            if (c == 9) {
+                tabSize = this.getScreenTabSize(arr.length + offset);
+                arr.push(TAB);
+                for (var n = 1; n < tabSize; n++) {
+                    arr.push(TAB_SPACE);
+                }
+            }
+            else if (c == 32) {
+                arr.push(SPACE);
+            } else if((c > 39 && c < 48) || (c > 57 && c < 64)) {
+                arr.push(PUNCTUATION);
+            }
+            else if (c >= 0x1100 && isFullWidth(c)) {
+                arr.push(CHAR, CHAR_EXT);
+            } else {
+                arr.push(CHAR);
+            }
+        }
+        return arr;
+    };
+    this.$getStringScreenWidth = function(str, maxScreenColumn, screenColumn) {
+        if (maxScreenColumn == 0)
+            return [0, 0];
+        if (maxScreenColumn == null)
+            maxScreenColumn = Infinity;
+        screenColumn = screenColumn || 0;
+
+        var c, column;
+        for (column = 0; column < str.length; column++) {
+            c = str.charCodeAt(column);
+            if (c == 9) {
+                screenColumn += this.getScreenTabSize(screenColumn);
+            }
+            else if (c >= 0x1100 && isFullWidth(c)) {
+                screenColumn += 2;
+            } else {
+                screenColumn += 1;
+            }
+            if (screenColumn > maxScreenColumn) {
+                break;
+            }
+        }
+
+        return [screenColumn, column];
+    };
+
+    this.lineWidgets = null;
+    this.getRowLength = function(row) {
+        if (this.lineWidgets)
+            var h = this.lineWidgets[row] && this.lineWidgets[row].rowCount || 0;
+        else
+            h = 0
+        if (!this.$useWrapMode || !this.$wrapData[row]) {
+            return 1 + h;
+        } else {
+            return this.$wrapData[row].length + 1 + h;
+        }
+    };
+    this.getRowLineCount = function(row) {
+        if (!this.$useWrapMode || !this.$wrapData[row]) {
+            return 1;
+        } else {
+            return this.$wrapData[row].length + 1;
+        }
+    };
+    this.getScreenLastRowColumn = function(screenRow) {
+        var pos = this.screenToDocumentPosition(screenRow, Number.MAX_VALUE);
+        return this.documentToScreenColumn(pos.row, pos.column);
+    };
+    this.getDocumentLastRowColumn = function(docRow, docColumn) {
+        var screenRow = this.documentToScreenRow(docRow, docColumn);
+        return this.getScreenLastRowColumn(screenRow);
+    };
+    this.getDocumentLastRowColumnPosition = function(docRow, docColumn) {
+        var screenRow = this.documentToScreenRow(docRow, docColumn);
+        return this.screenToDocumentPosition(screenRow, Number.MAX_VALUE / 10);
+    };
+    this.getRowSplitData = function(row) {
+        if (!this.$useWrapMode) {
+            return undefined;
+        } else {
+            return this.$wrapData[row];
+        }
+    };
+    this.getScreenTabSize = function(screenColumn) {
+        return this.$tabSize - screenColumn % this.$tabSize;
+    };
+
+
+    this.screenToDocumentRow = function(screenRow, screenColumn) {
+        return this.screenToDocumentPosition(screenRow, screenColumn).row;
+    };
+
+
+    this.screenToDocumentColumn = function(screenRow, screenColumn) {
+        return this.screenToDocumentPosition(screenRow, screenColumn).column;
+    };
+    this.screenToDocumentPosition = function(screenRow, screenColumn) {
+        if (screenRow < 0)
+            return {row: 0, column: 0};
+
+        var line;
+        var docRow = 0;
+        var docColumn = 0;
+        var column;
+        var row = 0;
+        var rowLength = 0;
+
+        var rowCache = this.$screenRowCache;
+        var i = this.$getRowCacheIndex(rowCache, screenRow);
+        var l = rowCache.length;
+        if (l && i >= 0) {
+            var row = rowCache[i];
+            var docRow = this.$docRowCache[i];
+            var doCache = screenRow > rowCache[l - 1];
+        } else {
+            var doCache = !l;
+        }
+
+        var maxRow = this.getLength() - 1;
+        var foldLine = this.getNextFoldLine(docRow);
+        var foldStart = foldLine ? foldLine.start.row : Infinity;
+
+        while (row <= screenRow) {
+            rowLength = this.getRowLength(docRow);
+            if (row + rowLength > screenRow || docRow >= maxRow) {
+                break;
+            } else {
+                row += rowLength;
+                docRow++;
+                if (docRow > foldStart) {
+                    docRow = foldLine.end.row+1;
+                    foldLine = this.getNextFoldLine(docRow, foldLine);
+                    foldStart = foldLine ? foldLine.start.row : Infinity;
+                }
+            }
+
+            if (doCache) {
+                this.$docRowCache.push(docRow);
+                this.$screenRowCache.push(row);
+            }
+        }
+
+        if (foldLine && foldLine.start.row <= docRow) {
+            line = this.getFoldDisplayLine(foldLine);
+            docRow = foldLine.start.row;
+        } else if (row + rowLength <= screenRow || docRow > maxRow) {
+            return {
+                row: maxRow,
+                column: this.getLine(maxRow).length
+            };
+        } else {
+            line = this.getLine(docRow);
+            foldLine = null;
+        }
+
+        if (this.$useWrapMode) {
+            var splits = this.$wrapData[docRow];
+            if (splits) {
+                var splitIndex = Math.floor(screenRow - row);
+                column = splits[splitIndex];
+                if(splitIndex > 0 && splits.length) {
+                    docColumn = splits[splitIndex - 1] || splits[splits.length - 1];
+                    line = line.substring(docColumn);
+                }
+            }
+        }
+
+        docColumn += this.$getStringScreenWidth(line, screenColumn)[1];
+        if (this.$useWrapMode && docColumn >= column)
+            docColumn = column - 1;
+
+        if (foldLine)
+            return foldLine.idxToPosition(docColumn);
+
+        return {row: docRow, column: docColumn};
+    };
+    this.documentToScreenPosition = function(docRow, docColumn) {
+        if (typeof docColumn === "undefined")
+            var pos = this.$clipPositionToDocument(docRow.row, docRow.column);
+        else
+            pos = this.$clipPositionToDocument(docRow, docColumn);
+
+        docRow = pos.row;
+        docColumn = pos.column;
+
+        var screenRow = 0;
+        var foldStartRow = null;
+        var fold = null;
+        fold = this.getFoldAt(docRow, docColumn, 1);
+        if (fold) {
+            docRow = fold.start.row;
+            docColumn = fold.start.column;
+        }
+
+        var rowEnd, row = 0;
+
+
+        var rowCache = this.$docRowCache;
+        var i = this.$getRowCacheIndex(rowCache, docRow);
+        var l = rowCache.length;
+        if (l && i >= 0) {
+            var row = rowCache[i];
+            var screenRow = this.$screenRowCache[i];
+            var doCache = docRow > rowCache[l - 1];
+        } else {
+            var doCache = !l;
+        }
+
+        var foldLine = this.getNextFoldLine(row);
+        var foldStart = foldLine ?foldLine.start.row :Infinity;
+
+        while (row < docRow) {
+            if (row >= foldStart) {
+                rowEnd = foldLine.end.row + 1;
+                if (rowEnd > docRow)
+                    break;
+                foldLine = this.getNextFoldLine(rowEnd, foldLine);
+                foldStart = foldLine ?foldLine.start.row :Infinity;
+            }
+            else {
+                rowEnd = row + 1;
+            }
+
+            screenRow += this.getRowLength(row);
+            row = rowEnd;
+
+            if (doCache) {
+                this.$docRowCache.push(row);
+                this.$screenRowCache.push(screenRow);
+            }
+        }
+        var textLine = "";
+        if (foldLine && row >= foldStart) {
+            textLine = this.getFoldDisplayLine(foldLine, docRow, docColumn);
+            foldStartRow = foldLine.start.row;
+        } else {
+            textLine = this.getLine(docRow).substring(0, docColumn);
+            foldStartRow = docRow;
+        }
+        if (this.$useWrapMode) {
+            var wrapRow = this.$wrapData[foldStartRow];
+            if (wrapRow) {
+                var screenRowOffset = 0;
+                while (textLine.length >= wrapRow[screenRowOffset]) {
+                    screenRow ++;
+                    screenRowOffset++;
+                }
+                textLine = textLine.substring(
+                    wrapRow[screenRowOffset - 1] || 0, textLine.length
+                );
+            }
+        }
+
+        return {
+            row: screenRow,
+            column: this.$getStringScreenWidth(textLine)[0]
+        };
+    };
+    this.documentToScreenColumn = function(row, docColumn) {
+        return this.documentToScreenPosition(row, docColumn).column;
+    };
+    this.documentToScreenRow = function(docRow, docColumn) {
+        return this.documentToScreenPosition(docRow, docColumn).row;
+    };
+    this.getScreenLength = function() {
+        var screenRows = 0;
+        var fold = null;
+        if (!this.$useWrapMode) {
+            screenRows = this.getLength();
+            var foldData = this.$foldData;
+            for (var i = 0; i < foldData.length; i++) {
+                fold = foldData[i];
+                screenRows -= fold.end.row - fold.start.row;
+            }
+        } else {
+            var lastRow = this.$wrapData.length;
+            var row = 0, i = 0;
+            var fold = this.$foldData[i++];
+            var foldStart = fold ? fold.start.row :Infinity;
+
+            while (row < lastRow) {
+                var splits = this.$wrapData[row];
+                screenRows += splits ? splits.length + 1 : 1;
+                row ++;
+                if (row > foldStart) {
+                    row = fold.end.row+1;
+                    fold = this.$foldData[i++];
+                    foldStart = fold ?fold.start.row :Infinity;
+                }
+            }
+        }
+        if (this.lineWidgets)
+            screenRows += this.$getWidgetScreenLength();
+
+        return screenRows;
+    };
+    this.$setFontMetrics = function(fm) {
+    };
+
+    this.destroy = function() {
+        if (this.bgTokenizer) {
+            this.bgTokenizer.setDocument(null);
+            this.bgTokenizer = null;
+        }
+        this.$stopWorker();
+    };
+    function isFullWidth(c) {
+        if (c < 0x1100)
+            return false;
+        return c >= 0x1100 && c <= 0x115F ||
+               c >= 0x11A3 && c <= 0x11A7 ||
+               c >= 0x11FA && c <= 0x11FF ||
+               c >= 0x2329 && c <= 0x232A ||
+               c >= 0x2E80 && c <= 0x2E99 ||
+               c >= 0x2E9B && c <= 0x2EF3 ||
+               c >= 0x2F00 && c <= 0x2FD5 ||
+               c >= 0x2FF0 && c <= 0x2FFB ||
+               c >= 0x3000 && c <= 0x303E ||
+               c >= 0x3041 && c <= 0x3096 ||
+               c >= 0x3099 && c <= 0x30FF ||
+               c >= 0x3105 && c <= 0x312D ||
+               c >= 0x3131 && c <= 0x318E ||
+               c >= 0x3190 && c <= 0x31BA ||
+               c >= 0x31C0 && c <= 0x31E3 ||
+               c >= 0x31F0 && c <= 0x321E ||
+               c >= 0x3220 && c <= 0x3247 ||
+               c >= 0x3250 && c <= 0x32FE ||
+               c >= 0x3300 && c <= 0x4DBF ||
+               c >= 0x4E00 && c <= 0xA48C ||
+               c >= 0xA490 && c <= 0xA4C6 ||
+               c >= 0xA960 && c <= 0xA97C ||
+               c >= 0xAC00 && c <= 0xD7A3 ||
+               c >= 0xD7B0 && c <= 0xD7C6 ||
+               c >= 0xD7CB && c <= 0xD7FB ||
+               c >= 0xF900 && c <= 0xFAFF ||
+               c >= 0xFE10 && c <= 0xFE19 ||
+               c >= 0xFE30 && c <= 0xFE52 ||
+               c >= 0xFE54 && c <= 0xFE66 ||
+               c >= 0xFE68 && c <= 0xFE6B ||
+               c >= 0xFF01 && c <= 0xFF60 ||
+               c >= 0xFFE0 && c <= 0xFFE6;
+    };
+
+}).call(EditSession.prototype);
+
+require("./edit_session/folding").Folding.call(EditSession.prototype);
+require("./edit_session/bracket_match").BracketMatch.call(EditSession.prototype);
+
+
+config.defineOptions(EditSession.prototype, "session", {
+    wrap: {
+        set: function(value) {
+            if (!value || value == "off")
+                value = false;
+            else if (value == "free")
+                value = true;
+            else if (value == "printMargin")
+                value = -1;
+            else if (typeof value == "string")
+                value = parseInt(value, 10) || false;
+
+            if (this.$wrap == value)
+                return;
+            if (!value) {
+                this.setUseWrapMode(false);
+            } else {
+                var col = typeof value == "number" ? value : null;
+                this.setWrapLimitRange(col, col);
+                this.setUseWrapMode(true);
+            }
+            this.$wrap = value;
+        },
+        get: function() {
+            if (this.getUseWrapMode()) {
+                if (this.$wrap == -1)
+                    return "printMargin";
+                if (!this.getWrapLimitRange().min)
+                    return "free";
+                return this.$wrap;
+            }
+            return "off";
+        },
+        handlesSet: true
+    },
+    wrapMethod: {
+        set: function(val) {
+            val = val == "auto"
+                ? this.$mode.type != "text"
+                : val != "text";
+            if (val != this.$wrapAsCode) {
+                this.$wrapAsCode = val;
+                if (this.$useWrapMode) {
+                    this.$modified = true;
+                    this.$resetRowCache(0);
+                    this.$updateWrapData(0, this.getLength() - 1);
+                }
+            }
+        },
+        initialValue: "auto"
+    },
+    firstLineNumber: {
+        set: function() {this._signal("changeBreakpoint");},
+        initialValue: 1
+    },
+    useWorker: {
+        set: function(useWorker) {
+            this.$useWorker = useWorker;
+
+            this.$stopWorker();
+            if (useWorker)
+                this.$startWorker();
+        },
+        initialValue: true
+    },
+    useSoftTabs: {initialValue: true},
+    tabSize: {
+        set: function(tabSize) {
+            if (isNaN(tabSize) || this.$tabSize === tabSize) return;
+
+            this.$modified = true;
+            this.$rowLengthCache = [];
+            this.$tabSize = tabSize;
+            this._signal("changeTabSize");
+        },
+        initialValue: 4,
+        handlesSet: true
+    },
+    overwrite: {
+        set: function(val) {this._signal("changeOverwrite");},
+        initialValue: false
+    },
+    newLineMode: {
+        set: function(val) {this.doc.setNewLineMode(val)},
+        get: function() {return this.doc.getNewLineMode()},
+        handlesSet: true
+    },
+    mode: {
+        set: function(val) { this.setMode(val) },
+        get: function() { return this.$modeId }
+    }
+});
+
+exports.EditSession = EditSession;
+});
+
+define("ace/search",["require","exports","module","ace/lib/lang","ace/lib/oop","ace/range"], function(require, exports, module) {
+"use strict";
+
+var lang = require("./lib/lang");
+var oop = require("./lib/oop");
+var Range = require("./range").Range;
+
+var Search = function() {
+    this.$options = {};
+};
+
+(function() {
+    this.set = function(options) {
+        oop.mixin(this.$options, options);
+        return this;
+    };
+    this.getOptions = function() {
+        return lang.copyObject(this.$options);
+    };
+    this.setOptions = function(options) {
+        this.$options = options;
+    };
+    this.find = function(session) {
+        var options = this.$options;
+        var iterator = this.$matchIterator(session, options);
+        if (!iterator)
+            return false;
+
+        var firstRange = null;
+        iterator.forEach(function(range, row, offset) {
+            if (!range.start) {
+                var column = range.offset + (offset || 0);
+                firstRange = new Range(row, column, row, column + range.length);
+                if (!range.length && options.start && options.start.start
+                    && options.skipCurrent != false && firstRange.isEqual(options.start)
+                ) {
+                    firstRange = null;
+                    return false;
+                }
+            } else
+                firstRange = range;
+            return true;
+        });
+
+        return firstRange;
+    };
+    this.findAll = function(session) {
+        var options = this.$options;
+        if (!options.needle)
+            return [];
+        this.$assembleRegExp(options);
+
+        var range = options.range;
+        var lines = range
+            ? session.getLines(range.start.row, range.end.row)
+            : session.doc.getAllLines();
+
+        var ranges = [];
+        var re = options.re;
+        if (options.$isMultiLine) {
+            var len = re.length;
+            var maxRow = lines.length - len;
+            var prevRange;
+            outer: for (var row = re.offset || 0; row <= maxRow; row++) {
+                for (var j = 0; j < len; j++)
+                    if (lines[row + j].search(re[j]) == -1)
+                        continue outer;
+
+                var startLine = lines[row];
+                var line = lines[row + len - 1];
+                var startIndex = startLine.length - startLine.match(re[0])[0].length;
+                var endIndex = line.match(re[len - 1])[0].length;
+
+                if (prevRange && prevRange.end.row === row &&
+                    prevRange.end.column > startIndex
+                ) {
+                    continue;
+                }
+                ranges.push(prevRange = new Range(
+                    row, startIndex, row + len - 1, endIndex
+                ));
+                if (len > 2)
+                    row = row + len - 2;
+            }
+        } else {
+            for (var i = 0; i < lines.length; i++) {
+                var matches = lang.getMatchOffsets(lines[i], re);
+                for (var j = 0; j < matches.length; j++) {
+                    var match = matches[j];
+                    ranges.push(new Range(i, match.offset, i, match.offset + match.length));
+                }
+            }
+        }
+
+        if (range) {
+            var startColumn = range.start.column;
+            var endColumn = range.start.column;
+            var i = 0, j = ranges.length - 1;
+            while (i < j && ranges[i].start.column < startColumn && ranges[i].start.row == range.start.row)
+                i++;
+
+            while (i < j && ranges[j].end.column > endColumn && ranges[j].end.row == range.end.row)
+                j--;
+
+            ranges = ranges.slice(i, j + 1);
+            for (i = 0, j = ranges.length; i < j; i++) {
+                ranges[i].start.row += range.start.row;
+                ranges[i].end.row += range.start.row;
+            }
+        }
+
+        return ranges;
+    };
+    this.replace = function(input, replacement) {
+        var options = this.$options;
+
+        var re = this.$assembleRegExp(options);
+        if (options.$isMultiLine)
+            return replacement;
+
+        if (!re)
+            return;
+
+        var match = re.exec(input);
+        if (!match || match[0].length != input.length)
+            return null;
+
+        replacement = input.replace(re, replacement);
+        if (options.preserveCase) {
+            replacement = replacement.split("");
+            for (var i = Math.min(input.length, input.length); i--; ) {
+                var ch = input[i];
+                if (ch && ch.toLowerCase() != ch)
+                    replacement[i] = replacement[i].toUpperCase();
+                else
+                    replacement[i] = replacement[i].toLowerCase();
+            }
+            replacement = replacement.join("");
+        }
+
+        return replacement;
+    };
+
+    this.$matchIterator = function(session, options) {
+        var re = this.$assembleRegExp(options);
+        if (!re)
+            return false;
+
+        var callback;
+        if (options.$isMultiLine) {
+            var len = re.length;
+            var matchIterator = function(line, row, offset) {
+                var startIndex = line.search(re[0]);
+                if (startIndex == -1)
+                    return;
+                for (var i = 1; i < len; i++) {
+                    line = session.getLine(row + i);
+                    if (line.search(re[i]) == -1)
+                        return;
+                }
+
+                var endIndex = line.match(re[len - 1])[0].length;
+
+                var range = new Range(row, startIndex, row + len - 1, endIndex);
+                if (re.offset == 1) {
+                    range.start.row--;
+                    range.start.column = Number.MAX_VALUE;
+                } else if (offset)
+                    range.start.column += offset;
+
+                if (callback(range))
+                    return true;
+            };
+        } else if (options.backwards) {
+            var matchIterator = function(line, row, startIndex) {
+                var matches = lang.getMatchOffsets(line, re);
+                for (var i = matches.length-1; i >= 0; i--)
+                    if (callback(matches[i], row, startIndex))
+                        return true;
+            };
+        } else {
+            var matchIterator = function(line, row, startIndex) {
+                var matches = lang.getMatchOffsets(line, re);
+                for (var i = 0; i < matches.length; i++)
+                    if (callback(matches[i], row, startIndex))
+                        return true;
+            };
+        }
+
+        var lineIterator = this.$lineIterator(session, options);
+
+        return {
+            forEach: function(_callback) {
+                callback = _callback;
+                lineIterator.forEach(matchIterator);
+            }
+        };
+    };
+
+    this.$assembleRegExp = function(options, $disableFakeMultiline) {
+        if (options.needle instanceof RegExp)
+            return options.re = options.needle;
+
+        var needle = options.needle;
+
+        if (!options.needle)
+            return options.re = false;
+
+        if (!options.regExp)
+            needle = lang.escapeRegExp(needle);
+
+        if (options.wholeWord)
+            needle = "\\b" + needle + "\\b";
+
+        var modifier = options.caseSensitive ? "gm" : "gmi";
+
+        options.$isMultiLine = !$disableFakeMultiline && /[\n\r]/.test(needle);
+        if (options.$isMultiLine)
+            return options.re = this.$assembleMultilineRegExp(needle, modifier);
+
+        try {
+            var re = new RegExp(needle, modifier);
+        } catch(e) {
+            re = false;
+        }
+        return options.re = re;
+    };
+
+    this.$assembleMultilineRegExp = function(needle, modifier) {
+        var parts = needle.replace(/\r\n|\r|\n/g, "$\n^").split("\n");
+        var re = [];
+        for (var i = 0; i < parts.length; i++) try {
+            re.push(new RegExp(parts[i], modifier));
+        } catch(e) {
+            return false;
+        }
+        if (parts[0] == "") {
+            re.shift();
+            re.offset = 1;
+        } else {
+            re.offset = 0;
+        }
+        return re;
+    };
+
+    this.$lineIterator = function(session, options) {
+        var backwards = options.backwards == true;
+        var skipCurrent = options.skipCurrent != false;
+
+        var range = options.range;
+        var start = options.start;
+        if (!start)
+            start = range ? range[backwards ? "end" : "start"] : session.selection.getRange();
+
+        if (start.start)
+            start = start[skipCurrent != backwards ? "end" : "start"];
+
+        var firstRow = range ? range.start.row : 0;
+        var lastRow = range ? range.end.row : session.getLength() - 1;
+
+        var forEach = backwards ? function(callback) {
+                var row = start.row;
+
+                var line = session.getLine(row).substring(0, start.column);
+                if (callback(line, row))
+                    return;
+
+                for (row--; row >= firstRow; row--)
+                    if (callback(session.getLine(row), row))
+                        return;
+
+                if (options.wrap == false)
+                    return;
+
+                for (row = lastRow, firstRow = start.row; row >= firstRow; row--)
+                    if (callback(session.getLine(row), row))
+                        return;
+            } : function(callback) {
+                var row = start.row;
+
+                var line = session.getLine(row).substr(start.column);
+                if (callback(line, row, start.column))
+                    return;
+
+                for (row = row+1; row <= lastRow; row++)
+                    if (callback(session.getLine(row), row))
+                        return;
+
+                if (options.wrap == false)
+                    return;
+
+                for (row = firstRow, lastRow = start.row; row <= lastRow; row++)
+                    if (callback(session.getLine(row), row))
+                        return;
+            };
+
+        return {forEach: forEach};
+    };
+
+}).call(Search.prototype);
+
+exports.Search = Search;
+});
+
+define("ace/keyboard/hash_handler",["require","exports","module","ace/lib/keys","ace/lib/useragent"], function(require, exports, module) {
+"use strict";
+
+var keyUtil = require("../lib/keys");
+var useragent = require("../lib/useragent");
+var KEY_MODS = keyUtil.KEY_MODS;
+
+function HashHandler(config, platform) {
+    this.platform = platform || (useragent.isMac ? "mac" : "win");
+    this.commands = {};
+    this.commandKeyBinding = {};
+    this.addCommands(config);
+    this.$singleCommand = true;
+}
+
+function MultiHashHandler(config, platform) {
+    HashHandler.call(this, config, platform);
+    this.$singleCommand = false;
+}
+
+MultiHashHandler.prototype = HashHandler.prototype;
+
+(function() {
+
+
+    this.addCommand = function(command) {
+        if (this.commands[command.name])
+            this.removeCommand(command);
+
+        this.commands[command.name] = command;
+
+        if (command.bindKey)
+            this._buildKeyHash(command);
+    };
+
+    this.removeCommand = function(command, keepCommand) {
+        var name = command && (typeof command === 'string' ? command : command.name);
+        command = this.commands[name];
+        if (!keepCommand)
+            delete this.commands[name];
+        var ckb = this.commandKeyBinding;
+        for (var keyId in ckb) {
+            var cmdGroup = ckb[keyId];
+            if (cmdGroup == command) {
+                delete ckb[keyId];
+            } else if (Array.isArray(cmdGroup)) {
+                var i = cmdGroup.indexOf(command);
+                if (i != -1) {
+                    cmdGroup.splice(i, 1);
+                    if (cmdGroup.length == 1)
+                        ckb[keyId] = cmdGroup[0];
+                }
+            }
+        }
+    };
+
+    this.bindKey = function(key, command, asDefault) {
+        if (typeof key == "object")
+            key = key[this.platform];
+        if (!key)
+            return;
+        if (typeof command == "function")
+            return this.addCommand({exec: command, bindKey: key, name: command.name || key});
+
+        key.split("|").forEach(function(keyPart) {
+            var chain = "";
+            if (keyPart.indexOf(" ") != -1) {
+                var parts = keyPart.split(/\s+/);
+                keyPart = parts.pop();
+                parts.forEach(function(keyPart) {
+                    var binding = this.parseKeys(keyPart);
+                    var id = KEY_MODS[binding.hashId] + binding.key;
+                    chain += (chain ? " " : "") + id;
+                    this._addCommandToBinding(chain, "chainKeys");
+                }, this);
+                chain += " ";
+            }
+            var binding = this.parseKeys(keyPart);
+            var id = KEY_MODS[binding.hashId] + binding.key;
+            this._addCommandToBinding(chain + id, command, asDefault);
+        }, this);
+    };
+
+    this._addCommandToBinding = function(keyId, command, asDefault) {
+        var ckb = this.commandKeyBinding, i;
+        if (!command) {
+            delete ckb[keyId];
+        } else if (!ckb[keyId] || this.$singleCommand) {
+            ckb[keyId] = command;
+        } else {
+            if (!Array.isArray(ckb[keyId])) {
+                ckb[keyId] = [ckb[keyId]];
+            } else if ((i = ckb[keyId].indexOf(command)) != -1) {
+                ckb[keyId].splice(i, 1);
+            }
+
+            if (asDefault || command.isDefault)
+                ckb[keyId].unshift(command);
+            else
+                ckb[keyId].push(command);
+        }
+    };
+
+    this.addCommands = function(commands) {
+        commands && Object.keys(commands).forEach(function(name) {
+            var command = commands[name];
+            if (!command)
+                return;
+
+            if (typeof command === "string")
+                return this.bindKey(command, name);
+
+            if (typeof command === "function")
+                command = { exec: command };
+
+            if (typeof command !== "object")
+                return;
+
+            if (!command.name)
+                command.name = name;
+
+            this.addCommand(command);
+        }, this);
+    };
+
+    this.removeCommands = function(commands) {
+        Object.keys(commands).forEach(function(name) {
+            this.removeCommand(commands[name]);
+        }, this);
+    };
+
+    this.bindKeys = function(keyList) {
+        Object.keys(keyList).forEach(function(key) {
+            this.bindKey(key, keyList[key]);
+        }, this);
+    };
+
+    this._buildKeyHash = function(command) {
+        this.bindKey(command.bindKey, command);
+    };
+    this.parseKeys = function(keys) {
+        var parts = keys.toLowerCase().split(/[\-\+]([\-\+])?/).filter(function(x){return x});
+        var key = parts.pop();
+
+        var keyCode = keyUtil[key];
+        if (keyUtil.FUNCTION_KEYS[keyCode])
+            key = keyUtil.FUNCTION_KEYS[keyCode].toLowerCase();
+        else if (!parts.length)
+            return {key: key, hashId: -1};
+        else if (parts.length == 1 && parts[0] == "shift")
+            return {key: key.toUpperCase(), hashId: -1};
+
+        var hashId = 0;
+        for (var i = parts.length; i--;) {
+            var modifier = keyUtil.KEY_MODS[parts[i]];
+            if (modifier == null) {
+                if (typeof console != "undefined")
+                    console.error("invalid modifier " + parts[i] + " in " + keys);
+                return false;
+            }
+            hashId |= modifier;
+        }
+        return {key: key, hashId: hashId};
+    };
+
+    this.findKeyCommand = function findKeyCommand(hashId, keyString) {
+        var key = KEY_MODS[hashId] + keyString;
+        return this.commandKeyBinding[key];
+    };
+
+    this.handleKeyboard = function(data, hashId, keyString, keyCode) {
+        var key = KEY_MODS[hashId] + keyString;
+        var command = this.commandKeyBinding[key];
+        if (data.$keyChain) {
+            data.$keyChain += " " + key;
+            command = this.commandKeyBinding[data.$keyChain] || command;
+        }
+
+        if (command) {
+            if (command == "chainKeys" || command[command.length - 1] == "chainKeys") {
+                data.$keyChain = data.$keyChain || key;
+                return {command: "null"};
+            }
+        }
+
+        if (data.$keyChain && keyCode > 0)
+            data.$keyChain = "";
+        return {command: command};
+    };
+
+}).call(HashHandler.prototype);
+
+exports.HashHandler = HashHandler;
+exports.MultiHashHandler = MultiHashHandler;
+});
+
+define("ace/commands/command_manager",["require","exports","module","ace/lib/oop","ace/keyboard/hash_handler","ace/lib/event_emitter"], function(require, exports, module) {
+"use strict";
+
+var oop = require("../lib/oop");
+var MultiHashHandler = require("../keyboard/hash_handler").MultiHashHandler;
+var EventEmitter = require("../lib/event_emitter").EventEmitter;
+
+var CommandManager = function(platform, commands) {
+    MultiHashHandler.call(this, commands, platform);
+    this.byName = this.commands;
+    this.setDefaultHandler("exec", function(e) {
+        return e.command.exec(e.editor, e.args || {});
+    });
+};
+
+oop.inherits(CommandManager, MultiHashHandler);
+
+(function() {
+
+    oop.implement(this, EventEmitter);
+
+    this.exec = function(command, editor, args) {
+        if (Array.isArray(command)) {
+            for (var i = command.length; i--; ) {
+                if (this.exec(command[i], editor, args)) return true;
+            }
+            return false;
+        }
+
+        if (typeof command === "string")
+            command = this.commands[command];
+
+        if (!command)
+            return false;
+
+        if (editor && editor.$readOnly && !command.readOnly)
+            return false;
+
+        var e = {editor: editor, command: command, args: args};
+        e.returnValue = this._emit("exec", e);
+        this._signal("afterExec", e);
+
+        return e.returnValue === false ? false : true;
+    };
+
+    this.toggleRecording = function(editor) {
+        if (this.$inReplay)
+            return;
+
+        editor && editor._emit("changeStatus");
+        if (this.recording) {
+            this.macro.pop();
+            this.removeEventListener("exec", this.$addCommandToMacro);
+
+            if (!this.macro.length)
+                this.macro = this.oldMacro;
+
+            return this.recording = false;
+        }
+        if (!this.$addCommandToMacro) {
+            this.$addCommandToMacro = function(e) {
+                this.macro.push([e.command, e.args]);
+            }.bind(this);
+        }
+
+        this.oldMacro = this.macro;
+        this.macro = [];
+        this.on("exec", this.$addCommandToMacro);
+        return this.recording = true;
+    };
+
+    this.replay = function(editor) {
+        if (this.$inReplay || !this.macro)
+            return;
+
+        if (this.recording)
+            return this.toggleRecording(editor);
+
+        try {
+            this.$inReplay = true;
+            this.macro.forEach(function(x) {
+                if (typeof x == "string")
+                    this.exec(x, editor);
+                else
+                    this.exec(x[0], editor, x[1]);
+            }, this);
+        } finally {
+            this.$inReplay = false;
+        }
+    };
+
+    this.trimMacro = function(m) {
+        return m.map(function(x){
+            if (typeof x[0] != "string")
+                x[0] = x[0].name;
+            if (!x[1])
+                x = x[0];
+            return x;
+        });
+    };
+
+}).call(CommandManager.prototype);
+
+exports.CommandManager = CommandManager;
+
+});
+
+define("ace/commands/default_commands",["require","exports","module","ace/lib/lang","ace/config","ace/range"], function(require, exports, module) {
+"use strict";
+
+var lang = require("../lib/lang");
+var config = require("../config");
+var Range = require("../range").Range;
+
+function bindKey(win, mac) {
+    return {win: win, mac: mac};
+}
+exports.commands = [{
+    name: "showSettingsMenu",
+    bindKey: bindKey("Ctrl-,", "Command-,"),
+    exec: function(editor) {
+        config.loadModule("ace/ext/settings_menu", function(module) {
+            module.init(editor);
+            editor.showSettingsMenu();
+        });
+    },
+    readOnly: true
+}, {
+    name: "goToNextError",
+    bindKey: bindKey("Alt-E", "Ctrl-E"),
+    exec: function(editor) {
+        config.loadModule("ace/ext/error_marker", function(module) {
+            module.showErrorMarker(editor, 1);
+        });
+    },
+    scrollIntoView: "animate",
+    readOnly: true
+}, {
+    name: "goToPreviousError",
+    bindKey: bindKey("Alt-Shift-E", "Ctrl-Shift-E"),
+    exec: function(editor) {
+        config.loadModule("ace/ext/error_marker", function(module) {
+            module.showErrorMarker(editor, -1);
+        });
+    },
+    scrollIntoView: "animate",
+    readOnly: true
+}, {
+    name: "selectall",
+    bindKey: bindKey("Ctrl-A", "Command-A"),
+    exec: function(editor) { editor.selectAll(); },
+    readOnly: true
+}, {
+    name: "centerselection",
+    bindKey: bindKey(null, "Ctrl-L"),
+    exec: function(editor) { editor.centerSelection(); },
+    readOnly: true
+}, {
+    name: "gotoline",
+    bindKey: bindKey("Ctrl-L", "Command-L"),
+    exec: function(editor) {
+        var line = parseInt(prompt("Enter line number:"), 10);
+        if (!isNaN(line)) {
+            editor.gotoLine(line);
+        }
+    },
+    readOnly: true
+}, {
+    name: "fold",
+    bindKey: bindKey("Alt-L|Ctrl-F1", "Command-Alt-L|Command-F1"),
+    exec: function(editor) { editor.session.toggleFold(false); },
+    scrollIntoView: "center",
+    readOnly: true
+}, {
+    name: "unfold",
+    bindKey: bindKey("Alt-Shift-L|Ctrl-Shift-F1", "Command-Alt-Shift-L|Command-Shift-F1"),
+    exec: function(editor) { editor.session.toggleFold(true); },
+    scrollIntoView: "center",
+    readOnly: true
+}, {
+    name: "toggleFoldWidget",
+    bindKey: bindKey("F2", "F2"),
+    exec: function(editor) { editor.session.toggleFoldWidget(); },
+    scrollIntoView: "center",
+    readOnly: true
+}, {
+    name: "toggleParentFoldWidget",
+    bindKey: bindKey("Alt-F2", "Alt-F2"),
+    exec: function(editor) { editor.session.toggleFoldWidget(true); },
+    scrollIntoView: "center",
+    readOnly: true
+}, {
+    name: "foldall",
+    bindKey: bindKey("Ctrl-Alt-0", "Ctrl-Command-Option-0"),
+    exec: function(editor) { editor.session.foldAll(); },
+    scrollIntoView: "center",
+    readOnly: true
+}, {
+    name: "foldOther",
+    bindKey: bindKey("Alt-0", "Command-Option-0"),
+    exec: function(editor) {
+        editor.session.foldAll();
+        editor.session.unfold(editor.selection.getAllRanges());
+    },
+    scrollIntoView: "center",
+    readOnly: true
+}, {
+    name: "unfoldall",
+    bindKey: bindKey("Alt-Shift-0", "Command-Option-Shift-0"),
+    exec: function(editor) { editor.session.unfold(); },
+    scrollIntoView: "center",
+    readOnly: true
+}, {
+    name: "findnext",
+    bindKey: bindKey("Ctrl-K", "Command-G"),
+    exec: function(editor) { editor.findNext(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "center",
+    readOnly: true
+}, {
+    name: "findprevious",
+    bindKey: bindKey("Ctrl-Shift-K", "Command-Shift-G"),
+    exec: function(editor) { editor.findPrevious(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "center",
+    readOnly: true
+}, {
+    name: "selectOrFindNext",
+    bindKey: bindKey("Alt-K", "Ctrl-G"),
+    exec: function(editor) {
+        if (editor.selection.isEmpty())
+            editor.selection.selectWord();
+        else
+            editor.findNext();
+    },
+    readOnly: true
+}, {
+    name: "selectOrFindPrevious",
+    bindKey: bindKey("Alt-Shift-K", "Ctrl-Shift-G"),
+    exec: function(editor) {
+        if (editor.selection.isEmpty())
+            editor.selection.selectWord();
+        else
+            editor.findPrevious();
+    },
+    readOnly: true
+}, {
+    name: "find",
+    bindKey: bindKey("Ctrl-F", "Command-F"),
+    exec: function(editor) {
+        config.loadModule("ace/ext/searchbox", function(e) {e.Search(editor)});
+    },
+    readOnly: true
+}, {
+    name: "overwrite",
+    bindKey: "Insert",
+    exec: function(editor) { editor.toggleOverwrite(); },
+    readOnly: true
+}, {
+    name: "selecttostart",
+    bindKey: bindKey("Ctrl-Shift-Home", "Command-Shift-Up"),
+    exec: function(editor) { editor.getSelection().selectFileStart(); },
+    multiSelectAction: "forEach",
+    readOnly: true,
+    scrollIntoView: "animate",
+    aceCommandGroup: "fileJump"
+}, {
+    name: "gotostart",
+    bindKey: bindKey("Ctrl-Home", "Command-Home|Command-Up"),
+    exec: function(editor) { editor.navigateFileStart(); },
+    multiSelectAction: "forEach",
+    readOnly: true,
+    scrollIntoView: "animate",
+    aceCommandGroup: "fileJump"
+}, {
+    name: "selectup",
+    bindKey: bindKey("Shift-Up", "Shift-Up"),
+    exec: function(editor) { editor.getSelection().selectUp(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor",
+    readOnly: true
+}, {
+    name: "golineup",
+    bindKey: bindKey("Up", "Up|Ctrl-P"),
+    exec: function(editor, args) { editor.navigateUp(args.times); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor",
+    readOnly: true
+}, {
+    name: "selecttoend",
+    bindKey: bindKey("Ctrl-Shift-End", "Command-Shift-Down"),
+    exec: function(editor) { editor.getSelection().selectFileEnd(); },
+    multiSelectAction: "forEach",
+    readOnly: true,
+    scrollIntoView: "animate",
+    aceCommandGroup: "fileJump"
+}, {
+    name: "gotoend",
+    bindKey: bindKey("Ctrl-End", "Command-End|Command-Down"),
+    exec: function(editor) { editor.navigateFileEnd(); },
+    multiSelectAction: "forEach",
+    readOnly: true,
+    scrollIntoView: "animate",
+    aceCommandGroup: "fileJump"
+}, {
+    name: "selectdown",
+    bindKey: bindKey("Shift-Down", "Shift-Down"),
+    exec: function(editor) { editor.getSelection().selectDown(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor",
+    readOnly: true
+}, {
+    name: "golinedown",
+    bindKey: bindKey("Down", "Down|Ctrl-N"),
+    exec: function(editor, args) { editor.navigateDown(args.times); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor",
+    readOnly: true
+}, {
+    name: "selectwordleft",
+    bindKey: bindKey("Ctrl-Shift-Left", "Option-Shift-Left"),
+    exec: function(editor) { editor.getSelection().selectWordLeft(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor",
+    readOnly: true
+}, {
+    name: "gotowordleft",
+    bindKey: bindKey("Ctrl-Left", "Option-Left"),
+    exec: function(editor) { editor.navigateWordLeft(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor",
+    readOnly: true
+}, {
+    name: "selecttolinestart",
+    bindKey: bindKey("Alt-Shift-Left", "Command-Shift-Left"),
+    exec: function(editor) { editor.getSelection().selectLineStart(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor",
+    readOnly: true
+}, {
+    name: "gotolinestart",
+    bindKey: bindKey("Alt-Left|Home", "Command-Left|Home|Ctrl-A"),
+    exec: function(editor) { editor.navigateLineStart(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor",
+    readOnly: true
+}, {
+    name: "selectleft",
+    bindKey: bindKey("Shift-Left", "Shift-Left"),
+    exec: function(editor) { editor.getSelection().selectLeft(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor",
+    readOnly: true
+}, {
+    name: "gotoleft",
+    bindKey: bindKey("Left", "Left|Ctrl-B"),
+    exec: function(editor, args) { editor.navigateLeft(args.times); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor",
+    readOnly: true
+}, {
+    name: "selectwordright",
+    bindKey: bindKey("Ctrl-Shift-Right", "Option-Shift-Right"),
+    exec: function(editor) { editor.getSelection().selectWordRight(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor",
+    readOnly: true
+}, {
+    name: "gotowordright",
+    bindKey: bindKey("Ctrl-Right", "Option-Right"),
+    exec: function(editor) { editor.navigateWordRight(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor",
+    readOnly: true
+}, {
+    name: "selecttolineend",
+    bindKey: bindKey("Alt-Shift-Right", "Command-Shift-Right"),
+    exec: function(editor) { editor.getSelection().selectLineEnd(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor",
+    readOnly: true
+}, {
+    name: "gotolineend",
+    bindKey: bindKey("Alt-Right|End", "Command-Right|End|Ctrl-E"),
+    exec: function(editor) { editor.navigateLineEnd(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor",
+    readOnly: true
+}, {
+    name: "selectright",
+    bindKey: bindKey("Shift-Right", "Shift-Right"),
+    exec: function(editor) { editor.getSelection().selectRight(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor",
+    readOnly: true
+}, {
+    name: "gotoright",
+    bindKey: bindKey("Right", "Right|Ctrl-F"),
+    exec: function(editor, args) { editor.navigateRight(args.times); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor",
+    readOnly: true
+}, {
+    name: "selectpagedown",
+    bindKey: "Shift-PageDown",
+    exec: function(editor) { editor.selectPageDown(); },
+    readOnly: true
+}, {
+    name: "pagedown",
+    bindKey: bindKey(null, "Option-PageDown"),
+    exec: function(editor) { editor.scrollPageDown(); },
+    readOnly: true
+}, {
+    name: "gotopagedown",
+    bindKey: bindKey("PageDown", "PageDown|Ctrl-V"),
+    exec: function(editor) { editor.gotoPageDown(); },
+    readOnly: true
+}, {
+    name: "selectpageup",
+    bindKey: "Shift-PageUp",
+    exec: function(editor) { editor.selectPageUp(); },
+    readOnly: true
+}, {
+    name: "pageup",
+    bindKey: bindKey(null, "Option-PageUp"),
+    exec: function(editor) { editor.scrollPageUp(); },
+    readOnly: true
+}, {
+    name: "gotopageup",
+    bindKey: "PageUp",
+    exec: function(editor) { editor.gotoPageUp(); },
+    readOnly: true
+}, {
+    name: "scrollup",
+    bindKey: bindKey("Ctrl-Up", null),
+    exec: function(e) { e.renderer.scrollBy(0, -2 * e.renderer.layerConfig.lineHeight); },
+    readOnly: true
+}, {
+    name: "scrolldown",
+    bindKey: bindKey("Ctrl-Down", null),
+    exec: function(e) { e.renderer.scrollBy(0, 2 * e.renderer.layerConfig.lineHeight); },
+    readOnly: true
+}, {
+    name: "selectlinestart",
+    bindKey: "Shift-Home",
+    exec: function(editor) { editor.getSelection().selectLineStart(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor",
+    readOnly: true
+}, {
+    name: "selectlineend",
+    bindKey: "Shift-End",
+    exec: function(editor) { editor.getSelection().selectLineEnd(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor",
+    readOnly: true
+}, {
+    name: "togglerecording",
+    bindKey: bindKey("Ctrl-Alt-E", "Command-Option-E"),
+    exec: function(editor) { editor.commands.toggleRecording(editor); },
+    readOnly: true
+}, {
+    name: "replaymacro",
+    bindKey: bindKey("Ctrl-Shift-E", "Command-Shift-E"),
+    exec: function(editor) { editor.commands.replay(editor); },
+    readOnly: true
+}, {
+    name: "jumptomatching",
+    bindKey: bindKey("Ctrl-P", "Ctrl-P"),
+    exec: function(editor) { editor.jumpToMatching(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "animate",
+    readOnly: true
+}, {
+    name: "selecttomatching",
+    bindKey: bindKey("Ctrl-Shift-P", "Ctrl-Shift-P"),
+    exec: function(editor) { editor.jumpToMatching(true); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "animate",
+    readOnly: true
+}, {
+    name: "expandToMatching",
+    bindKey: bindKey("Ctrl-Shift-M", "Ctrl-Shift-M"),
+    exec: function(editor) { editor.jumpToMatching(true, true); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "animate",
+    readOnly: true
+}, {
+    name: "passKeysToBrowser",
+    bindKey: bindKey("null", "null"),
+    exec: function() {},
+    passEvent: true,
+    readOnly: true
+},
+{
+    name: "cut",
+    exec: function(editor) {
+        var range = editor.getSelectionRange();
+        editor._emit("cut", range);
+
+        if (!editor.selection.isEmpty()) {
+            editor.session.remove(range);
+            editor.clearSelection();
+        }
+    },
+    scrollIntoView: "cursor",
+    multiSelectAction: "forEach"
+}, {
+    name: "removeline",
+    bindKey: bindKey("Ctrl-D", "Command-D"),
+    exec: function(editor) { editor.removeLines(); },
+    scrollIntoView: "cursor",
+    multiSelectAction: "forEachLine"
+}, {
+    name: "duplicateSelection",
+    bindKey: bindKey("Ctrl-Shift-D", "Command-Shift-D"),
+    exec: function(editor) { editor.duplicateSelection(); },
+    scrollIntoView: "cursor",
+    multiSelectAction: "forEach"
+}, {
+    name: "sortlines",
+    bindKey: bindKey("Ctrl-Alt-S", "Command-Alt-S"),
+    exec: function(editor) { editor.sortLines(); },
+    scrollIntoView: "selection",
+    multiSelectAction: "forEachLine"
+}, {
+    name: "togglecomment",
+    bindKey: bindKey("Ctrl-/", "Command-/"),
+    exec: function(editor) { editor.toggleCommentLines(); },
+    multiSelectAction: "forEachLine",
+    scrollIntoView: "selectionPart"
+}, {
+    name: "toggleBlockComment",
+    bindKey: bindKey("Ctrl-Shift-/", "Command-Shift-/"),
+    exec: function(editor) { editor.toggleBlockComment(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "selectionPart"
+}, {
+    name: "modifyNumberUp",
+    bindKey: bindKey("Ctrl-Shift-Up", "Alt-Shift-Up"),
+    exec: function(editor) { editor.modifyNumber(1); },
+    scrollIntoView: "cursor",
+    multiSelectAction: "forEach"
+}, {
+    name: "modifyNumberDown",
+    bindKey: bindKey("Ctrl-Shift-Down", "Alt-Shift-Down"),
+    exec: function(editor) { editor.modifyNumber(-1); },
+    scrollIntoView: "cursor",
+    multiSelectAction: "forEach"
+}, {
+    name: "replace",
+    bindKey: bindKey("Ctrl-H", "Command-Option-F"),
+    exec: function(editor) {
+        config.loadModule("ace/ext/searchbox", function(e) {e.Search(editor, true)});
+    }
+}, {
+    name: "undo",
+    bindKey: bindKey("Ctrl-Z", "Command-Z"),
+    exec: function(editor) { editor.undo(); }
+}, {
+    name: "redo",
+    bindKey: bindKey("Ctrl-Shift-Z|Ctrl-Y", "Command-Shift-Z|Command-Y"),
+    exec: function(editor) { editor.redo(); }
+}, {
+    name: "copylinesup",
+    bindKey: bindKey("Alt-Shift-Up", "Command-Option-Up"),
+    exec: function(editor) { editor.copyLinesUp(); },
+    scrollIntoView: "cursor"
+}, {
+    name: "movelinesup",
+    bindKey: bindKey("Alt-Up", "Option-Up"),
+    exec: function(editor) { editor.moveLinesUp(); },
+    scrollIntoView: "cursor"
+}, {
+    name: "copylinesdown",
+    bindKey: bindKey("Alt-Shift-Down", "Command-Option-Down"),
+    exec: function(editor) { editor.copyLinesDown(); },
+    scrollIntoView: "cursor"
+}, {
+    name: "movelinesdown",
+    bindKey: bindKey("Alt-Down", "Option-Down"),
+    exec: function(editor) { editor.moveLinesDown(); },
+    scrollIntoView: "cursor"
+}, {
+    name: "del",
+    bindKey: bindKey("Delete", "Delete|Ctrl-D|Shift-Delete"),
+    exec: function(editor) { editor.remove("right"); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor"
+}, {
+    name: "backspace",
+    bindKey: bindKey(
+        "Shift-Backspace|Backspace",
+        "Ctrl-Backspace|Shift-Backspace|Backspace|Ctrl-H"
+    ),
+    exec: function(editor) { editor.remove("left"); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor"
+}, {
+    name: "cut_or_delete",
+    bindKey: bindKey("Shift-Delete", null),
+    exec: function(editor) {
+        if (editor.selection.isEmpty()) {
+            editor.remove("left");
+        } else {
+            return false;
+        }
+    },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor"
+}, {
+    name: "removetolinestart",
+    bindKey: bindKey("Alt-Backspace", "Command-Backspace"),
+    exec: function(editor) { editor.removeToLineStart(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor"
+}, {
+    name: "removetolineend",
+    bindKey: bindKey("Alt-Delete", "Ctrl-K"),
+    exec: function(editor) { editor.removeToLineEnd(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor"
+}, {
+    name: "removewordleft",
+    bindKey: bindKey("Ctrl-Backspace", "Alt-Backspace|Ctrl-Alt-Backspace"),
+    exec: function(editor) { editor.removeWordLeft(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor"
+}, {
+    name: "removewordright",
+    bindKey: bindKey("Ctrl-Delete", "Alt-Delete"),
+    exec: function(editor) { editor.removeWordRight(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor"
+}, {
+    name: "outdent",
+    bindKey: bindKey("Shift-Tab", "Shift-Tab"),
+    exec: function(editor) { editor.blockOutdent(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "selectionPart"
+}, {
+    name: "indent",
+    bindKey: bindKey("Tab", "Tab"),
+    exec: function(editor) { editor.indent(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "selectionPart"
+}, {
+    name: "blockoutdent",
+    bindKey: bindKey("Ctrl-[", "Ctrl-["),
+    exec: function(editor) { editor.blockOutdent(); },
+    multiSelectAction: "forEachLine",
+    scrollIntoView: "selectionPart"
+}, {
+    name: "blockindent",
+    bindKey: bindKey("Ctrl-]", "Ctrl-]"),
+    exec: function(editor) { editor.blockIndent(); },
+    multiSelectAction: "forEachLine",
+    scrollIntoView: "selectionPart"
+}, {
+    name: "insertstring",
+    exec: function(editor, str) { editor.insert(str); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor"
+}, {
+    name: "inserttext",
+    exec: function(editor, args) {
+        editor.insert(lang.stringRepeat(args.text  || "", args.times || 1));
+    },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor"
+}, {
+    name: "splitline",
+    bindKey: bindKey(null, "Ctrl-O"),
+    exec: function(editor) { editor.splitLine(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor"
+}, {
+    name: "transposeletters",
+    bindKey: bindKey("Ctrl-T", "Ctrl-T"),
+    exec: function(editor) { editor.transposeLetters(); },
+    multiSelectAction: function(editor) {editor.transposeSelections(1); },
+    scrollIntoView: "cursor"
+}, {
+    name: "touppercase",
+    bindKey: bindKey("Ctrl-U", "Ctrl-U"),
+    exec: function(editor) { editor.toUpperCase(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor"
+}, {
+    name: "tolowercase",
+    bindKey: bindKey("Ctrl-Shift-U", "Ctrl-Shift-U"),
+    exec: function(editor) { editor.toLowerCase(); },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor"
+}, {
+    name: "expandtoline",
+    bindKey: bindKey("Ctrl-Shift-L", "Command-Shift-L"),
+    exec: function(editor) {
+        var range = editor.selection.getRange();
+
+        range.start.column = range.end.column = 0;
+        range.end.row++;
+        editor.selection.setRange(range, false);
+    },
+    multiSelectAction: "forEach",
+    scrollIntoView: "cursor",
+    readOnly: true
+}, {
+    name: "joinlines",
+    bindKey: bindKey(null, null),
+    exec: function(editor) {
+        var isBackwards = editor.selection.isBackwards();
+        var selectionStart = isBackwards ? editor.selection.getSelectionLead() : editor.selection.getSelectionAnchor();
+        var selectionEnd = isBackwards ? editor.selection.getSelectionAnchor() : editor.selection.getSelectionLead();
+        var firstLineEndCol = editor.session.doc.getLine(selectionStart.row).length;
+        var selectedText = editor.session.doc.getTextRange(editor.selection.getRange());
+        var selectedCount = selectedText.replace(/\n\s*/, " ").length;
+        var insertLine = editor.session.doc.getLine(selectionStart.row);
+
+        for (var i = selectionStart.row + 1; i <= selectionEnd.row + 1; i++) {
+            var curLine = lang.stringTrimLeft(lang.stringTrimRight(editor.session.doc.getLine(i)));
+            if (curLine.length !== 0) {
+                curLine = " " + curLine;
+            }
+            insertLine += curLine;
+        }
+
+        if (selectionEnd.row + 1 < (editor.session.doc.getLength() - 1)) {
+            insertLine += editor.session.doc.getNewLineCharacter();
+        }
+
+        editor.clearSelection();
+        editor.session.doc.replace(new Range(selectionStart.row, 0, selectionEnd.row + 2, 0), insertLine);
+
+        if (selectedCount > 0) {
+            editor.selection.moveCursorTo(selectionStart.row, selectionStart.column);
+            editor.selection.selectTo(selectionStart.row, selectionStart.column + selectedCount);
+        } else {
+            firstLineEndCol = editor.session.doc.getLine(selectionStart.row).length > firstLineEndCol ? (firstLineEndCol + 1) : firstLineEndCol;
+            editor.selection.moveCursorTo(selectionStart.row, firstLineEndCol);
+        }
+    },
+    multiSelectAction: "forEach",
+    readOnly: true
+}, {
+    name: "invertSelection",
+    bindKey: bindKey(null, null),
+    exec: function(editor) {
+        var endRow = editor.session.doc.getLength() - 1;
+        var endCol = editor.session.doc.getLine(endRow).length;
+        var ranges = editor.selection.rangeList.ranges;
+        var newRanges = [];
+        if (ranges.length < 1) {
+            ranges = [editor.selection.getRange()];
+        }
+
+        for (var i = 0; i < ranges.length; i++) {
+            if (i == (ranges.length - 1)) {
+                if (!(ranges[i].end.row === endRow && ranges[i].end.column === endCol)) {
+                    newRanges.push(new Range(ranges[i].end.row, ranges[i].end.column, endRow, endCol));
+                }
+            }
+
+            if (i === 0) {
+                if (!(ranges[i].start.row === 0 && ranges[i].start.column === 0)) {
+                    newRanges.push(new Range(0, 0, ranges[i].start.row, ranges[i].start.column));
+                }
+            } else {
+                newRanges.push(new Range(ranges[i-1].end.row, ranges[i-1].end.column, ranges[i].start.row, ranges[i].start.column));
+            }
+        }
+
+        editor.exitMultiSelectMode();
+        editor.clearSelection();
+
+        for(var i = 0; i < newRanges.length; i++) {
+            editor.selection.addRange(newRanges[i], false);
+        }
+    },
+    readOnly: true,
+    scrollIntoView: "none"
+}];
+
+});
+
+define("ace/editor",["require","exports","module","ace/lib/fixoldbrowsers","ace/lib/oop","ace/lib/dom","ace/lib/lang","ace/lib/useragent","ace/keyboard/textinput","ace/mouse/mouse_handler","ace/mouse/fold_handler","ace/keyboard/keybinding","ace/edit_session","ace/search","ace/range","ace/lib/event_emitter","ace/commands/command_manager","ace/commands/default_commands","ace/config","ace/token_iterator"], function(require, exports, module) {
+"use strict";
+
+require("./lib/fixoldbrowsers");
+
+var oop = require("./lib/oop");
+var dom = require("./lib/dom");
+var lang = require("./lib/lang");
+var useragent = require("./lib/useragent");
+var TextInput = require("./keyboard/textinput").TextInput;
+var MouseHandler = require("./mouse/mouse_handler").MouseHandler;
+var FoldHandler = require("./mouse/fold_handler").FoldHandler;
+var KeyBinding = require("./keyboard/keybinding").KeyBinding;
+var EditSession = require("./edit_session").EditSession;
+var Search = require("./search").Search;
+var Range = require("./range").Range;
+var EventEmitter = require("./lib/event_emitter").EventEmitter;
+var CommandManager = require("./commands/command_manager").CommandManager;
+var defaultCommands = require("./commands/default_commands").commands;
+var config = require("./config");
+var TokenIterator = require("./token_iterator").TokenIterator;
+var Editor = function(renderer, session) {
+    var container = renderer.getContainerElement();
+    this.container = container;
+    this.renderer = renderer;
+
+    this.commands = new CommandManager(useragent.isMac ? "mac" : "win", defaultCommands);
+    this.textInput  = new TextInput(renderer.getTextAreaContainer(), this);
+    this.renderer.textarea = this.textInput.getElement();
+    this.keyBinding = new KeyBinding(this);
+    this.$mouseHandler = new MouseHandler(this);
+    new FoldHandler(this);
+
+    this.$blockScrolling = 0;
+    this.$search = new Search().set({
+        wrap: true
+    });
+
+    this.$historyTracker = this.$historyTracker.bind(this);
+    this.commands.on("exec", this.$historyTracker);
+
+    this.$initOperationListeners();
+
+    this._$emitInputEvent = lang.delayedCall(function() {
+        this._signal("input", {});
+        if (this.session && this.session.bgTokenizer)
+            this.session.bgTokenizer.scheduleStart();
+    }.bind(this));
+
+    this.on("change", function(_, _self) {
+        _self._$emitInputEvent.schedule(31);
+    });
+
+    this.setSession(session || new EditSession(""));
+    config.resetOptions(this);
+    config._signal("editor", this);
+};
+
+(function(){
+
+    oop.implement(this, EventEmitter);
+
+    this.$initOperationListeners = function() {
+        function last(a) {return a[a.length - 1]}
+
+        this.selections = [];
+        this.commands.on("exec", this.startOperation.bind(this), true);
+        this.commands.on("afterExec", this.endOperation.bind(this), true);
+
+        this.$opResetTimer = lang.delayedCall(this.endOperation.bind(this));
+
+        this.on("change", function() {
+            this.curOp || this.startOperation();
+            this.curOp.docChanged = true;
+        }.bind(this), true);
+
+        this.on("changeSelection", function() {
+            this.curOp || this.startOperation();
+            this.curOp.selectionChanged = true;
+        }.bind(this), true);
+    };
+
+    this.curOp = null;
+    this.prevOp = {};
+    this.startOperation = function(commadEvent) {
+        if (this.curOp) {
+            if (!commadEvent || this.curOp.command)
+                return;
+            this.prevOp = this.curOp;
+        }
+        if (!commadEvent) {
+            this.previousCommand = null;
+            commadEvent = {};
+        }
+
+        this.$opResetTimer.schedule();
+        this.curOp = {
+            command: commadEvent.command || {},
+            args: commadEvent.args,
+            scrollTop: this.renderer.scrollTop
+        };
+        if (this.curOp.command.name)
+            this.$blockScrolling++;
+    };
+
+    this.endOperation = function(e) {
+        if (this.curOp) {
+            if (e && e.returnValue === false)
+                return this.curOp = null;
+            this._signal("beforeEndOperation");
+            var command = this.curOp.command;
+            if (command.name && this.$blockScrolling)
+                this.$blockScrolling--;
+            if (command && command.scrollIntoView) {
+                switch (command.scrollIntoView) {
+                    case "center":
+                        this.renderer.scrollCursorIntoView(null, 0.5);
+                        break;
+                    case "animate":
+                    case "cursor":
+                        this.renderer.scrollCursorIntoView();
+                        break;
+                    case "selectionPart":
+                        var range = this.selection.getRange();
+                        var config = this.renderer.layerConfig;
+                        if (range.start.row >= config.lastRow || range.end.row <= config.firstRow) {
+                            this.renderer.scrollSelectionIntoView(this.selection.anchor, this.selection.lead);
+                        }
+                        break;
+                    default:
+                        break;
+                }
+                if (command.scrollIntoView == "animate")
+                    this.renderer.animateScrolling(this.curOp.scrollTop);
+            }
+
+            this.prevOp = this.curOp;
+            this.curOp = null;
+        }
+    };
+    this.$mergeableCommands = ["backspace", "del", "insertstring"];
+    this.$historyTracker = function(e) {
+        if (!this.$mergeUndoDeltas)
+            return;
+
+        var prev = this.prevOp;
+        var mergeableCommands = this.$mergeableCommands;
+        var shouldMerge = prev.command && (e.command.name == prev.command.name);
+        if (e.command.name == "insertstring") {
+            var text = e.args;
+            if (this.mergeNextCommand === undefined)
+                this.mergeNextCommand = true;
+
+            shouldMerge = shouldMerge
+                && this.mergeNextCommand // previous command allows to coalesce with
+                && (!/\s/.test(text) || /\s/.test(prev.args)); // previous insertion was of same type
+
+            this.mergeNextCommand = true;
+        } else {
+            shouldMerge = shouldMerge
+                && mergeableCommands.indexOf(e.command.name) !== -1; // the command is mergeable
+        }
+
+        if (
+            this.$mergeUndoDeltas != "always"
+            && Date.now() - this.sequenceStartTime > 2000
+        ) {
+            shouldMerge = false; // the sequence is too long
+        }
+
+        if (shouldMerge)
+            this.session.mergeUndoDeltas = true;
+        else if (mergeableCommands.indexOf(e.command.name) !== -1)
+            this.sequenceStartTime = Date.now();
+    };
+    this.setKeyboardHandler = function(keyboardHandler, cb) {
+        if (keyboardHandler && typeof keyboardHandler === "string") {
+            this.$keybindingId = keyboardHandler;
+            var _self = this;
+            config.loadModule(["keybinding", keyboardHandler], function(module) {
+                if (_self.$keybindingId == keyboardHandler)
+                    _self.keyBinding.setKeyboardHandler(module && module.handler);
+                cb && cb();
+            });
+        } else {
+            this.$keybindingId = null;
+            this.keyBinding.setKeyboardHandler(keyboardHandler);
+            cb && cb();
+        }
+    };
+    this.getKeyboardHandler = function() {
+        return this.keyBinding.getKeyboardHandler();
+    };
+    this.setSession = function(session) {
+        if (this.session == session)
+            return;
+
+        var oldSession = this.session;
+        if (oldSession) {
+            this.session.removeEventListener("change", this.$onDocumentChange);
+            this.session.removeEventListener("changeMode", this.$onChangeMode);
+            this.session.removeEventListener("tokenizerUpdate", this.$onTokenizerUpdate);
+            this.session.removeEventListener("changeTabSize", this.$onChangeTabSize);
+            this.session.removeEventListener("changeWrapLimit", this.$onChangeWrapLimit);
+            this.session.removeEventListener("changeWrapMode", this.$onChangeWrapMode);
+            this.session.removeEventListener("onChangeFold", this.$onChangeFold);
+            this.session.removeEventListener("changeFrontMarker", this.$onChangeFrontMarker);
+            this.session.removeEventListener("changeBackMarker", this.$onChangeBackMarker);
+            this.session.removeEventListener("changeBreakpoint", this.$onChangeBreakpoint);
+            this.session.removeEventListener("changeAnnotation", this.$onChangeAnnotation);
+            this.session.removeEventListener("changeOverwrite", this.$onCursorChange);
+            this.session.removeEventListener("changeScrollTop", this.$onScrollTopChange);
+            this.session.removeEventListener("changeScrollLeft", this.$onScrollLeftChange);
+
+            var selection = this.session.getSelection();
+            selection.removeEventListener("changeCursor", this.$onCursorChange);
+            selection.removeEventListener("changeSelection", this.$onSelectionChange);
+        }
+
+        this.session = session;
+        if (session) {
+            this.$onDocumentChange = this.onDocumentChange.bind(this);
+            session.addEventListener("change", this.$onDocumentChange);
+            this.renderer.setSession(session);
+
+            this.$onChangeMode = this.onChangeMode.bind(this);
+            session.addEventListener("changeMode", this.$onChangeMode);
+
+            this.$onTokenizerUpdate = this.onTokenizerUpdate.bind(this);
+            session.addEventListener("tokenizerUpdate", this.$onTokenizerUpdate);
+
+            this.$onChangeTabSize = this.renderer.onChangeTabSize.bind(this.renderer);
+            session.addEventListener("changeTabSize", this.$onChangeTabSize);
+
+            this.$onChangeWrapLimit = this.onChangeWrapLimit.bind(this);
+            session.addEventListener("changeWrapLimit", this.$onChangeWrapLimit);
+
+            this.$onChangeWrapMode = this.onChangeWrapMode.bind(this);
+            session.addEventListener("changeWrapMode", this.$onChangeWrapMode);
+
+            this.$onChangeFold = this.onChangeFold.bind(this);
+            session.addEventListener("changeFold", this.$onChangeFold);
+
+            this.$onChangeFrontMarker = this.onChangeFrontMarker.bind(this);
+            this.session.addEventListener("changeFrontMarker", this.$onChangeFrontMarker);
+
+            this.$onChangeBackMarker = this.onChangeBackMarker.bind(this);
+            this.session.addEventListener("changeBackMarker", this.$onChangeBackMarker);
+
+            this.$onChangeBreakpoint = this.onChangeBreakpoint.bind(this);
+            this.session.addEventListener("changeBreakpoint", this.$onChangeBreakpoint);
+
+            this.$onChangeAnnotation = this.onChangeAnnotation.bind(this);
+            this.session.addEventListener("changeAnnotation", this.$onChangeAnnotation);
+
+            this.$onCursorChange = this.onCursorChange.bind(this);
+            this.session.addEventListener("changeOverwrite", this.$onCursorChange);
+
+            this.$onScrollTopChange = this.onScrollTopChange.bind(this);
+            this.session.addEventListener("changeScrollTop", this.$onScrollTopChange);
+
+            this.$onScrollLeftChange = this.onScrollLeftChange.bind(this);
+            this.session.addEventListener("changeScrollLeft", this.$onScrollLeftChange);
+
+            this.selection = session.getSelection();
+            this.selection.addEventListener("changeCursor", this.$onCursorChange);
+
+            this.$onSelectionChange = this.onSelectionChange.bind(this);
+            this.selection.addEventListener("changeSelection", this.$onSelectionChange);
+
+            this.onChangeMode();
+
+            this.$blockScrolling += 1;
+            this.onCursorChange();
+            this.$blockScrolling -= 1;
+
+            this.onScrollTopChange();
+            this.onScrollLeftChange();
+            this.onSelectionChange();
+            this.onChangeFrontMarker();
+            this.onChangeBackMarker();
+            this.onChangeBreakpoint();
+            this.onChangeAnnotation();
+            this.session.getUseWrapMode() && this.renderer.adjustWrapLimit();
+            this.renderer.updateFull();
+        } else {
+            this.selection = null;
+            this.renderer.setSession(session);
+        }
+
+        this._signal("changeSession", {
+            session: session,
+            oldSession: oldSession
+        });
+
+        oldSession && oldSession._signal("changeEditor", {oldEditor: this});
+        session && session._signal("changeEditor", {editor: this});
+    };
+    this.getSession = function() {
+        return this.session;
+    };
+    this.setValue = function(val, cursorPos) {
+        this.session.doc.setValue(val);
+
+        if (!cursorPos)
+            this.selectAll();
+        else if (cursorPos == 1)
+            this.navigateFileEnd();
+        else if (cursorPos == -1)
+            this.navigateFileStart();
+
+        return val;
+    };
+    this.getValue = function() {
+        return this.session.getValue();
+    };
+    this.getSelection = function() {
+        return this.selection;
+    };
+    this.resize = function(force) {
+        this.renderer.onResize(force);
+    };
+    this.setTheme = function(theme, cb) {
+        this.renderer.setTheme(theme, cb);
+    };
+    this.getTheme = function() {
+        return this.renderer.getTheme();
+    };
+    this.setStyle = function(style) {
+        this.renderer.setStyle(style);
+    };
+    this.unsetStyle = function(style) {
+        this.renderer.unsetStyle(style);
+    };
+    this.getFontSize = function () {
+        return this.getOption("fontSize") ||
+           dom.computedStyle(this.container, "fontSize");
+    };
+    this.setFontSize = function(size) {
+        this.setOption("fontSize", size);
+    };
+
+    this.$highlightBrackets = function() {
+        if (this.session.$bracketHighlight) {
+            this.session.removeMarker(this.session.$bracketHighlight);
+            this.session.$bracketHighlight = null;
+        }
+
+        if (this.$highlightPending) {
+            return;
+        }
+        var self = this;
+        this.$highlightPending = true;
+        setTimeout(function() {
+            self.$highlightPending = false;
+            var session = self.session;
+            if (!session || !session.bgTokenizer) return;
+            var pos = session.findMatchingBracket(self.getCursorPosition());
+            if (pos) {
+                var range = new Range(pos.row, pos.column, pos.row, pos.column + 1);
+            } else if (session.$mode.getMatching) {
+                var range = session.$mode.getMatching(self.session);
+            }
+            if (range)
+                session.$bracketHighlight = session.addMarker(range, "ace_bracket", "text");
+        }, 50);
+    };
+    this.$highlightTags = function() {
+        if (this.$highlightTagPending)
+            return;
+        var self = this;
+        this.$highlightTagPending = true;
+        setTimeout(function() {
+            self.$highlightTagPending = false;
+
+            var session = self.session;
+            if (!session || !session.bgTokenizer) return;
+
+            var pos = self.getCursorPosition();
+            var iterator = new TokenIterator(self.session, pos.row, pos.column);
+            var token = iterator.getCurrentToken();
+
+            if (!token || !/\b(?:tag-open|tag-name)/.test(token.type)) {
+                session.removeMarker(session.$tagHighlight);
+                session.$tagHighlight = null;
+                return;
+            }
+
+            if (token.type.indexOf("tag-open") != -1)
+                token = iterator.stepForward();
+
+            var tag = token.value;
+            var depth = 0;
+            var prevToken = iterator.stepBackward();
+
+            if (prevToken.value == '<'){
+                do {
+                    prevToken = token;
+                    token = iterator.stepForward();
+
+                    if (token && token.value === tag && token.type.indexOf('tag-name') !== -1) {
+                        if (prevToken.value === '<'){
+                            depth++;
+                        } else if (prevToken.value === '</'){
+                            depth--;
+                        }
+                    }
+
+                } while (token && depth >= 0);
+            } else {
+                do {
+                    token = prevToken;
+                    prevToken = iterator.stepBackward();
+
+                    if (token && token.value === tag && token.type.indexOf('tag-name') !== -1) {
+                        if (prevToken.value === '<') {
+                            depth++;
+                        } else if (prevToken.value === '</') {
+                            depth--;
+                        }
+                    }
+                } while (prevToken && depth <= 0);
+                iterator.stepForward();
+            }
+
+            if (!token) {
+                session.removeMarker(session.$tagHighlight);
+                session.$tagHighlight = null;
+                return;
+            }
+
+            var row = iterator.getCurrentTokenRow();
+            var column = iterator.getCurrentTokenColumn();
+            var range = new Range(row, column, row, column+token.value.length);
+            if (session.$tagHighlight && range.compareRange(session.$backMarkers[session.$tagHighlight].range)!==0) {
+                session.removeMarker(session.$tagHighlight);
+                session.$tagHighlight = null;
+            }
+
+            if (range && !session.$tagHighlight)
+                session.$tagHighlight = session.addMarker(range, "ace_bracket", "text");
+        }, 50);
+    };
+    this.focus = function() {
+        var _self = this;
+        setTimeout(function() {
+            _self.textInput.focus();
+        });
+        this.textInput.focus();
+    };
+    this.isFocused = function() {
+        return this.textInput.isFocused();
+    };
+    this.blur = function() {
+        this.textInput.blur();
+    };
+    this.onFocus = function(e) {
+        if (this.$isFocused)
+            return;
+        this.$isFocused = true;
+        this.renderer.showCursor();
+        this.renderer.visualizeFocus();
+        this._emit("focus", e);
+    };
+    this.onBlur = function(e) {
+        if (!this.$isFocused)
+            return;
+        this.$isFocused = false;
+        this.renderer.hideCursor();
+        this.renderer.visualizeBlur();
+        this._emit("blur", e);
+    };
+
+    this.$cursorChange = function() {
+        this.renderer.updateCursor();
+    };
+    this.onDocumentChange = function(e) {
+        var delta = e.data;
+        var range = delta.range;
+        var lastRow;
+
+        if (range.start.row == range.end.row && delta.action != "insertLines" && delta.action != "removeLines")
+            lastRow = range.end.row;
+        else
+            lastRow = Infinity;
+        this.renderer.updateLines(range.start.row, lastRow, this.session.$useWrapMode);
+
+        this._signal("change", e);
+        this.$cursorChange();
+        this.$updateHighlightActiveLine();
+    };
+
+    this.onTokenizerUpdate = function(e) {
+        var rows = e.data;
+        this.renderer.updateLines(rows.first, rows.last);
+    };
+
+
+    this.onScrollTopChange = function() {
+        this.renderer.scrollToY(this.session.getScrollTop());
+    };
+
+    this.onScrollLeftChange = function() {
+        this.renderer.scrollToX(this.session.getScrollLeft());
+    };
+    this.onCursorChange = function() {
+        this.$cursorChange();
+
+        if (!this.$blockScrolling) {
+            config.warn("Automatically scrolling cursor into view after selection change",
+                "this will be disabled in the next version",
+                "set editor.$blockScrolling = Infinity to disable this message"
+            );
+            this.renderer.scrollCursorIntoView();
+        }
+
+        this.$highlightBrackets();
+        this.$highlightTags();
+        this.$updateHighlightActiveLine();
+        this._signal("changeSelection");
+    };
+
+    this.$updateHighlightActiveLine = function() {
+        var session = this.getSession();
+
+        var highlight;
+        if (this.$highlightActiveLine) {
+            if ((this.$selectionStyle != "line" || !this.selection.isMultiLine()))
+                highlight = this.getCursorPosition();
+            if (this.renderer.$maxLines && this.session.getLength() === 1 && !(this.renderer.$minLines > 1))
+                highlight = false;
+        }
+
+        if (session.$highlightLineMarker && !highlight) {
+            session.removeMarker(session.$highlightLineMarker.id);
+            session.$highlightLineMarker = null;
+        } else if (!session.$highlightLineMarker && highlight) {
+            var range = new Range(highlight.row, highlight.column, highlight.row, Infinity);
+            range.id = session.addMarker(range, "ace_active-line", "screenLine");
+            session.$highlightLineMarker = range;
+        } else if (highlight) {
+            session.$highlightLineMarker.start.row = highlight.row;
+            session.$highlightLineMarker.end.row = highlight.row;
+            session.$highlightLineMarker.start.column = highlight.column;
+            session._signal("changeBackMarker");
+        }
+    };
+
+    this.onSelectionChange = function(e) {
+        var session = this.session;
+
+        if (session.$selectionMarker) {
+            session.removeMarker(session.$selectionMarker);
+        }
+        session.$selectionMarker = null;
+
+        if (!this.selection.isEmpty()) {
+            var range = this.selection.getRange();
+            var style = this.getSelectionStyle();
+            session.$selectionMarker = session.addMarker(range, "ace_selection", style);
+        } else {
+            this.$updateHighlightActiveLine();
+        }
+
+        var re = this.$highlightSelectedWord && this.$getSelectionHighLightRegexp();
+        this.session.highlight(re);
+
+        this._signal("changeSelection");
+    };
+
+    this.$getSelectionHighLightRegexp = function() {
+        var session = this.session;
+
+        var selection = this.getSelectionRange();
+        if (selection.isEmpty() || selection.isMultiLine())
+            return;
+
+        var startOuter = selection.start.column - 1;
+        var endOuter = selection.end.column + 1;
+        var line = session.getLine(selection.start.row);
+        var lineCols = line.length;
+        var needle = line.substring(Math.max(startOuter, 0),
+                                    Math.min(endOuter, lineCols));
+        if ((startOuter >= 0 && /^[\w\d]/.test(needle)) ||
+            (endOuter <= lineCols && /[\w\d]$/.test(needle)))
+            return;
+
+        needle = line.substring(selection.start.column, selection.end.column);
+        if (!/^[\w\d]+$/.test(needle))
+            return;
+
+        var re = this.$search.$assembleRegExp({
+            wholeWord: true,
+            caseSensitive: true,
+            needle: needle
+        });
+
+        return re;
+    };
+
+
+    this.onChangeFrontMarker = function() {
+        this.renderer.updateFrontMarkers();
+    };
+
+    this.onChangeBackMarker = function() {
+        this.renderer.updateBackMarkers();
+    };
+
+
+    this.onChangeBreakpoint = function() {
+        this.renderer.updateBreakpoints();
+    };
+
+    this.onChangeAnnotation = function() {
+        this.renderer.setAnnotations(this.session.getAnnotations());
+    };
+
+
+    this.onChangeMode = function(e) {
+        this.renderer.updateText();
+        this._emit("changeMode", e);
+    };
+
+
+    this.onChangeWrapLimit = function() {
+        this.renderer.updateFull();
+    };
+
+    this.onChangeWrapMode = function() {
+        this.renderer.onResize(true);
+    };
+
+
+    this.onChangeFold = function() {
+        this.$updateHighlightActiveLine();
+        this.renderer.updateFull();
+    };
+    this.getSelectedText = function() {
+        return this.session.getTextRange(this.getSelectionRange());
+    };
+    this.getCopyText = function() {
+        var text = this.getSelectedText();
+        this._signal("copy", text);
+        return text;
+    };
+    this.onCopy = function() {
+        this.commands.exec("copy", this);
+    };
+    this.onCut = function() {
+        this.commands.exec("cut", this);
+    };
+    this.onPaste = function(text) {
+        if (this.$readOnly)
+            return;
+
+        var e = {text: text};
+        this._signal("paste", e);
+        text = e.text;
+        if (!this.inMultiSelectMode || this.inVirtualSelectionMode) {
+            this.insert(text);
+        } else {
+            var lines = text.split(/\r\n|\r|\n/);
+            var ranges = this.selection.rangeList.ranges;
+
+            if (lines.length > ranges.length || lines.length < 2 || !lines[1])
+                return this.commands.exec("insertstring", this, text);
+
+            for (var i = ranges.length; i--;) {
+                var range = ranges[i];
+                if (!range.isEmpty())
+                    this.session.remove(range);
+
+                this.session.insert(range.start, lines[i]);
+            }
+        }
+        this.renderer.scrollCursorIntoView();
+    };
+
+    this.execCommand = function(command, args) {
+        return this.commands.exec(command, this, args);
+    };
+    this.insert = function(text, pasted) {
+        var session = this.session;
+        var mode = session.getMode();
+        var cursor = this.getCursorPosition();
+
+        if (this.getBehavioursEnabled() && !pasted) {
+            var transform = mode.transformAction(session.getState(cursor.row), 'insertion', this, session, text);
+            if (transform) {
+                if (text !== transform.text) {
+                    this.session.mergeUndoDeltas = false;
+                    this.$mergeNextCommand = false;
+                }
+                text = transform.text;
+
+            }
+        }
+
+        if (text == "\t")
+            text = this.session.getTabString();
+        if (!this.selection.isEmpty()) {
+            var range = this.getSelectionRange();
+            cursor = this.session.remove(range);
+            this.clearSelection();
+        }
+        else if (this.session.getOverwrite()) {
+            var range = new Range.fromPoints(cursor, cursor);
+            range.end.column += text.length;
+            this.session.remove(range);
+        }
+
+        if (text == "\n" || text == "\r\n") {
+            var line = session.getLine(cursor.row);
+            if (cursor.column > line.search(/\S|$/)) {
+                var d = line.substr(cursor.column).search(/\S|$/);
+                session.doc.removeInLine(cursor.row, cursor.column, cursor.column + d);
+            }
+        }
+        this.clearSelection();
+
+        var start = cursor.column;
+        var lineState = session.getState(cursor.row);
+        var line = session.getLine(cursor.row);
+        var shouldOutdent = mode.checkOutdent(lineState, line, text);
+        var end = session.insert(cursor, text);
+
+        if (transform && transform.selection) {
+            if (transform.selection.length == 2) { // Transform relative to the current column
+                this.selection.setSelectionRange(
+                    new Range(cursor.row, start + transform.selection[0],
+                              cursor.row, start + transform.selection[1]));
+            } else { // Transform relative to the current row.
+                this.selection.setSelectionRange(
+                    new Range(cursor.row + transform.selection[0],
+                              transform.selection[1],
+                              cursor.row + transform.selection[2],
+                              transform.selection[3]));
+            }
+        }
+
+        if (session.getDocument().isNewLine(text)) {
+            var lineIndent = mode.getNextLineIndent(lineState, line.slice(0, cursor.column), session.getTabString());
+
+            session.insert({row: cursor.row+1, column: 0}, lineIndent);
+        }
+        if (shouldOutdent)
+            mode.autoOutdent(lineState, session, cursor.row);
+    };
+
+    this.onTextInput = function(text) {
+        this.keyBinding.onTextInput(text);
+    };
+
+    this.onCommandKey = function(e, hashId, keyCode) {
+        this.keyBinding.onCommandKey(e, hashId, keyCode);
+    };
+    this.setOverwrite = function(overwrite) {
+        this.session.setOverwrite(overwrite);
+    };
+    this.getOverwrite = function() {
+        return this.session.getOverwrite();
+    };
+    this.toggleOverwrite = function() {
+        this.session.toggleOverwrite();
+    };
+    this.setScrollSpeed = function(speed) {
+        this.setOption("scrollSpeed", speed);
+    };
+    this.getScrollSpeed = function() {
+        return this.getOption("scrollSpeed");
+    };
+    this.setDragDelay = function(dragDelay) {
+        this.setOption("dragDelay", dragDelay);
+    };
+    this.getDragDelay = function() {
+        return this.getOption("dragDelay");
+    };
+    this.setSelectionStyle = function(val) {
+        this.setOption("selectionStyle", val);
+    };
+    this.getSelectionStyle = function() {
+        return this.getOption("selectionStyle");
+    };
+    this.setHighlightActiveLine = function(shouldHighlight) {
+        this.setOption("highlightActiveLine", shouldHighlight);
+    };
+    this.getHighlightActiveLine = function() {
+        return this.getOption("highlightActiveLine");
+    };
+    this.setHighlightGutterLine = function(shouldHighlight) {
+        this.setOption("highlightGutterLine", shouldHighlight);
+    };
+
+    this.getHighlightGutterLine = function() {
+        return this.getOption("highlightGutterLine");
+    };
+    this.setHighlightSelectedWord = function(shouldHighlight) {
+        this.setOption("highlightSelectedWord", shouldHighlight);
+    };
+    this.getHighlightSelectedWord = function() {
+        return this.$highlightSelectedWord;
+    };
+
+    this.setAnimatedScroll = function(shouldAnimate){
+        this.renderer.setAnimatedScroll(shouldAnimate);
+    };
+
+    this.getAnimatedScroll = function(){
+        return this.renderer.getAnimatedScroll();
+    };
+    this.setShowInvisibles = function(showInvisibles) {
+        this.renderer.setShowInvisibles(showInvisibles);
+    };
+    this.getShowInvisibles = function() {
+        return this.renderer.getShowInvisibles();
+    };
+
+    this.setDisplayIndentGuides = function(display) {
+        this.renderer.setDisplayIndentGuides(display);
+    };
+
+    this.getDisplayIndentGuides = function() {
+        return this.renderer.getDisplayIndentGuides();
+    };
+    this.setShowPrintMargin = function(showPrintMargin) {
+        this.renderer.setShowPrintMargin(showPrintMargin);
+    };
+    this.getShowPrintMargin = function() {
+        return this.renderer.getShowPrintMargin();
+    };
+    this.setPrintMarginColumn = function(showPrintMargin) {
+        this.renderer.setPrintMarginColumn(showPrintMargin);
+    };
+    this.getPrintMarginColumn = function() {
+        return this.renderer.getPrintMarginColumn();
+    };
+    this.setReadOnly = function(readOnly) {
+        this.setOption("readOnly", readOnly);
+    };
+    this.getReadOnly = function() {
+        return this.getOption("readOnly");
+    };
+    this.setBehavioursEnabled = function (enabled) {
+        this.setOption("behavioursEnabled", enabled);
+    };
+    this.getBehavioursEnabled = function () {
+        return this.getOption("behavioursEnabled");
+    };
+    this.setWrapBehavioursEnabled = function (enabled) {
+        this.setOption("wrapBehavioursEnabled", enabled);
+    };
+    this.getWrapBehavioursEnabled = function () {
+        return this.getOption("wrapBehavioursEnabled");
+    };
+    this.setShowFoldWidgets = function(show) {
+        this.setOption("showFoldWidgets", show);
+
+    };
+    this.getShowFoldWidgets = function() {
+        return this.getOption("showFoldWidgets");
+    };
+
+    this.setFadeFoldWidgets = function(fade) {
+        this.setOption("fadeFoldWidgets", fade);
+    };
+
+    this.getFadeFoldWidgets = function() {
+        return this.getOption("fadeFoldWidgets");
+    };
+    this.remove = function(dir) {
+        if (this.selection.isEmpty()){
+            if (dir == "left")
+                this.selection.selectLeft();
+            else
+                this.selection.selectRight();
+        }
+
+        var range = this.getSelectionRange();
+        if (this.getBehavioursEnabled()) {
+            var session = this.session;
+            var state = session.getState(range.start.row);
+            var new_range = session.getMode().transformAction(state, 'deletion', this, session, range);
+
+            if (range.end.column === 0) {
+                var text = session.getTextRange(range);
+                if (text[text.length - 1] == "\n") {
+                    var line = session.getLine(range.end.row);
+                    if (/^\s+$/.test(line)) {
+                        range.end.column = line.length;
+                    }
+                }
+            }
+            if (new_range)
+                range = new_range;
+        }
+
+        this.session.remove(range);
+        this.clearSelection();
+    };
+    this.removeWordRight = function() {
+        if (this.selection.isEmpty())
+            this.selection.selectWordRight();
+
+        this.session.remove(this.getSelectionRange());
+        this.clearSelection();
+    };
+    this.removeWordLeft = function() {
+        if (this.selection.isEmpty())
+            this.selection.selectWordLeft();
+
+        this.session.remove(this.getSelectionRange());
+        this.clearSelection();
+    };
+    this.removeToLineStart = function() {
+        if (this.selection.isEmpty())
+            this.selection.selectLineStart();
+
+        this.session.remove(this.getSelectionRange());
+        this.clearSelection();
+    };
+    this.removeToLineEnd = function() {
+        if (this.selection.isEmpty())
+            this.selection.selectLineEnd();
+
+        var range = this.getSelectionRange();
+        if (range.start.column == range.end.column && range.start.row == range.end.row) {
+            range.end.column = 0;
+            range.end.row++;
+        }
+
+        this.session.remove(range);
+        this.clearSelection();
+    };
+    this.splitLine = function() {
+        if (!this.selection.isEmpty()) {
+            this.session.remove(this.getSelectionRange());
+            this.clearSelection();
+        }
+
+        var cursor = this.getCursorPosition();
+        this.insert("\n");
+        this.moveCursorToPosition(cursor);
+    };
+    this.transposeLetters = function() {
+        if (!this.selection.isEmpty()) {
+            return;
+        }
+
+        var cursor = this.getCursorPosition();
+        var column = cursor.column;
+        if (column === 0)
+            return;
+
+        var line = this.session.getLine(cursor.row);
+        var swap, range;
+        if (column < line.length) {
+            swap = line.charAt(column) + line.charAt(column-1);
+            range = new Range(cursor.row, column-1, cursor.row, column+1);
+        }
+        else {
+            swap = line.charAt(column-1) + line.charAt(column-2);
+            range = new Range(cursor.row, column-2, cursor.row, column);
+        }
+        this.session.replace(range, swap);
+    };
+    this.toLowerCase = function() {
+        var originalRange = this.getSelectionRange();
+        if (this.selection.isEmpty()) {
+            this.selection.selectWord();
+        }
+
+        var range = this.getSelectionRange();
+        var text = this.session.getTextRange(range);
+        this.session.replace(range, text.toLowerCase());
+        this.selection.setSelectionRange(originalRange);
+    };
+    this.toUpperCase = function() {
+        var originalRange = this.getSelectionRange();
+        if (this.selection.isEmpty()) {
+            this.selection.selectWord();
+        }
+
+        var range = this.getSelectionRange();
+        var text = this.session.getTextRange(range);
+        this.session.replace(range, text.toUpperCase());
+        this.selection.setSelectionRange(originalRange);
+    };
+    this.indent = function() {
+        var session = this.session;
+        var range = this.getSelectionRange();
+
+        if (range.start.row < range.end.row) {
+            var rows = this.$getSelectedRows();
+            session.indentRows(rows.first, rows.last, "\t");
+            return;
+        } else if (range.start.column < range.end.column) {
+            var text = session.getTextRange(range);
+            if (!/^\s+$/.test(text)) {
+                var rows = this.$getSelectedRows();
+                session.indentRows(rows.first, rows.last, "\t");
+                return;
+            }
+        }
+
+        var line = session.getLine(range.start.row);
+        var position = range.start;
+        var size = session.getTabSize();
+        var column = session.documentToScreenColumn(position.row, position.column);
+
+        if (this.session.getUseSoftTabs()) {
+            var count = (size - column % size);
+            var indentString = lang.stringRepeat(" ", count);
+        } else {
+            var count = column % size;
+            while (line[range.start.column] == " " && count) {
+                range.start.column--;
+                count--;
+            }
+            this.selection.setSelectionRange(range);
+            indentString = "\t";
+        }
+        return this.insert(indentString);
+    };
+    this.blockIndent = function() {
+        var rows = this.$getSelectedRows();
+        this.session.indentRows(rows.first, rows.last, "\t");
+    };
+    this.blockOutdent = function() {
+        var selection = this.session.getSelection();
+        this.session.outdentRows(selection.getRange());
+    };
+    this.sortLines = function() {
+        var rows = this.$getSelectedRows();
+        var session = this.session;
+
+        var lines = [];
+        for (i = rows.first; i <= rows.last; i++)
+            lines.push(session.getLine(i));
+
+        lines.sort(function(a, b) {
+            if (a.toLowerCase() < b.toLowerCase()) return -1;
+            if (a.toLowerCase() > b.toLowerCase()) return 1;
+            return 0;
+        });
+
+        var deleteRange = new Range(0, 0, 0, 0);
+        for (var i = rows.first; i <= rows.last; i++) {
+            var line = session.getLine(i);
+            deleteRange.start.row = i;
+            deleteRange.end.row = i;
+            deleteRange.end.column = line.length;
+            session.replace(deleteRange, lines[i-rows.first]);
+        }
+    };
+    this.toggleCommentLines = function() {
+        var state = this.session.getState(this.getCursorPosition().row);
+        var rows = this.$getSelectedRows();
+        this.session.getMode().toggleCommentLines(state, this.session, rows.first, rows.last);
+    };
+
+    this.toggleBlockComment = function() {
+        var cursor = this.getCursorPosition();
+        var state = this.session.getState(cursor.row);
+        var range = this.getSelectionRange();
+        this.session.getMode().toggleBlockComment(state, this.session, range, cursor);
+    };
+    this.getNumberAt = function(row, column) {
+        var _numberRx = /[\-]?[0-9]+(?:\.[0-9]+)?/g;
+        _numberRx.lastIndex = 0;
+
+        var s = this.session.getLine(row);
+        while (_numberRx.lastIndex < column) {
+            var m = _numberRx.exec(s);
+            if(m.index <= column && m.index+m[0].length >= column){
+                var number = {
+                    value: m[0],
+                    start: m.index,
+                    end: m.index+m[0].length
+                };
+                return number;
+            }
+        }
+        return null;
+    };
+    this.modifyNumber = function(amount) {
+        var row = this.selection.getCursor().row;
+        var column = this.selection.getCursor().column;
+        var charRange = new Range(row, column-1, row, column);
+
+        var c = this.session.getTextRange(charRange);
+        if (!isNaN(parseFloat(c)) && isFinite(c)) {
+            var nr = this.getNumberAt(row, column);
+            if (nr) {
+                var fp = nr.value.indexOf(".") >= 0 ? nr.start + nr.value.indexOf(".") + 1 : nr.end;
+                var decimals = nr.start + nr.value.length - fp;
+
+                var t = parseFloat(nr.value);
+                t *= Math.pow(10, decimals);
+
+
+                if(fp !== nr.end && column < fp){
+                    amount *= Math.pow(10, nr.end - column - 1);
+                } else {
+                    amount *= Math.pow(10, nr.end - column);
+                }
+
+                t += amount;
+                t /= Math.pow(10, decimals);
+                var nnr = t.toFixed(decimals);
+                var replaceRange = new Range(row, nr.start, row, nr.end);
+                this.session.replace(replaceRange, nnr);
+                this.moveCursorTo(row, Math.max(nr.start +1, column + nnr.length - nr.value.length));
+
+            }
+        }
+    };
+    this.removeLines = function() {
+        var rows = this.$getSelectedRows();
+        var range;
+        if (rows.first === 0 || rows.last+1 < this.session.getLength())
+            range = new Range(rows.first, 0, rows.last+1, 0);
+        else
+            range = new Range(
+                rows.first-1, this.session.getLine(rows.first-1).length,
+                rows.last, this.session.getLine(rows.last).length
+            );
+        this.session.remove(range);
+        this.clearSelection();
+    };
+
+    this.duplicateSelection = function() {
+        var sel = this.selection;
+        var doc = this.session;
+        var range = sel.getRange();
+        var reverse = sel.isBackwards();
+        if (range.isEmpty()) {
+            var row = range.start.row;
+            doc.duplicateLines(row, row);
+        } else {
+            var point = reverse ? range.start : range.end;
+            var endPoint = doc.insert(point, doc.getTextRange(range), false);
+            range.start = point;
+            range.end = endPoint;
+
+            sel.setSelectionRange(range, reverse);
+        }
+    };
+    this.moveLinesDown = function() {
+        this.$moveLines(1, false);
+    };
+    this.moveLinesUp = function() {
+        this.$moveLines(-1, false);
+    };
+    this.moveText = function(range, toPosition, copy) {
+        return this.session.moveText(range, toPosition, copy);
+    };
+    this.copyLinesUp = function() {
+        this.$moveLines(-1, true);
+    };
+    this.copyLinesDown = function() {
+        this.$moveLines(1, true);
+    };
+    this.$moveLines = function(dir, copy) {
+        var rows, moved;
+        var selection = this.selection;
+        if (!selection.inMultiSelectMode || this.inVirtualSelectionMode) {
+            var range = selection.toOrientedRange();
+            rows = this.$getSelectedRows(range);
+            moved = this.session.$moveLines(rows.first, rows.last, copy ? 0 : dir);
+            if (copy && dir == -1) moved = 0;
+            range.moveBy(moved, 0);
+            selection.fromOrientedRange(range);
+        } else {
+            var ranges = selection.rangeList.ranges;
+            selection.rangeList.detach(this.session);
+            this.inVirtualSelectionMode = true;
+
+            var diff = 0;
+            var totalDiff = 0;
+            var l = ranges.length;
+            for (var i = 0; i < l; i++) {
+                var rangeIndex = i;
+                ranges[i].moveBy(diff, 0);
+                rows = this.$getSelectedRows(ranges[i]);
+                var first = rows.first;
+                var last = rows.last;
+                while (++i < l) {
+                    if (totalDiff) ranges[i].moveBy(totalDiff, 0);
+                    var subRows = this.$getSelectedRows(ranges[i]);
+                    if (copy && subRows.first != last)
+                        break;
+                    else if (!copy && subRows.first > last + 1)
+                        break;
+                    last = subRows.last;
+                }
+                i--;
+                diff = this.session.$moveLines(first, last, copy ? 0 : dir);
+                if (copy && dir == -1) rangeIndex = i + 1;
+                while (rangeIndex <= i) {
+                    ranges[rangeIndex].moveBy(diff, 0);
+                    rangeIndex++;
+                }
+                if (!copy) diff = 0;
+                totalDiff += diff;
+            }
+
+            selection.fromOrientedRange(selection.ranges[0]);
+            selection.rangeList.attach(this.session);
+            this.inVirtualSelectionMode = false;
+        }
+    };
+    this.$getSelectedRows = function(range) {
+        range = (range || this.getSelectionRange()).collapseRows();
+
+        return {
+            first: this.session.getRowFoldStart(range.start.row),
+            last: this.session.getRowFoldEnd(range.end.row)
+        };
+    };
+
+    this.onCompositionStart = function(text) {
+        this.renderer.showComposition(this.getCursorPosition());
+    };
+
+    this.onCompositionUpdate = function(text) {
+        this.renderer.setCompositionText(text);
+    };
+
+    this.onCompositionEnd = function() {
+        this.renderer.hideComposition();
+    };
+    this.getFirstVisibleRow = function() {
+        return this.renderer.getFirstVisibleRow();
+    };
+    this.getLastVisibleRow = function() {
+        return this.renderer.getLastVisibleRow();
+    };
+    this.isRowVisible = function(row) {
+        return (row >= this.getFirstVisibleRow() && row <= this.getLastVisibleRow());
+    };
+    this.isRowFullyVisible = function(row) {
+        return (row >= this.renderer.getFirstFullyVisibleRow() && row <= this.renderer.getLastFullyVisibleRow());
+    };
+    this.$getVisibleRowCount = function() {
+        return this.renderer.getScrollBottomRow() - this.renderer.getScrollTopRow() + 1;
+    };
+
+    this.$moveByPage = function(dir, select) {
+        var renderer = this.renderer;
+        var config = this.renderer.layerConfig;
+        var rows = dir * Math.floor(config.height / config.lineHeight);
+
+        this.$blockScrolling++;
+        if (select === true) {
+            this.selection.$moveSelection(function(){
+                this.moveCursorBy(rows, 0);
+            });
+        } else if (select === false) {
+            this.selection.moveCursorBy(rows, 0);
+            this.selection.clearSelection();
+        }
+        this.$blockScrolling--;
+
+        var scrollTop = renderer.scrollTop;
+
+        renderer.scrollBy(0, rows * config.lineHeight);
+        if (select != null)
+            renderer.scrollCursorIntoView(null, 0.5);
+
+        renderer.animateScrolling(scrollTop);
+    };
+    this.selectPageDown = function() {
+        this.$moveByPage(1, true);
+    };
+    this.selectPageUp = function() {
+        this.$moveByPage(-1, true);
+    };
+    this.gotoPageDown = function() {
+       this.$moveByPage(1, false);
+    };
+    this.gotoPageUp = function() {
+        this.$moveByPage(-1, false);
+    };
+    this.scrollPageDown = function() {
+        this.$moveByPage(1);
+    };
+    this.scrollPageUp = function() {
+        this.$moveByPage(-1);
+    };
+    this.scrollToRow = function(row) {
+        this.renderer.scrollToRow(row);
+    };
+    this.scrollToLine = function(line, center, animate, callback) {
+        this.renderer.scrollToLine(line, center, animate, callback);
+    };
+    this.centerSelection = function() {
+        var range = this.getSelectionRange();
+        var pos = {
+            row: Math.floor(range.start.row + (range.end.row - range.start.row) / 2),
+            column: Math.floor(range.start.column + (range.end.column - range.start.column) / 2)
+        };
+        this.renderer.alignCursor(pos, 0.5);
+    };
+    this.getCursorPosition = function() {
+        return this.selection.getCursor();
+    };
+    this.getCursorPositionScreen = function() {
+        return this.session.documentToScreenPosition(this.getCursorPosition());
+    };
+    this.getSelectionRange = function() {
+        return this.selection.getRange();
+    };
+    this.selectAll = function() {
+        this.$blockScrolling += 1;
+        this.selection.selectAll();
+        this.$blockScrolling -= 1;
+    };
+    this.clearSelection = function() {
+        this.selection.clearSelection();
+    };
+    this.moveCursorTo = function(row, column) {
+        this.selection.moveCursorTo(row, column);
+    };
+    this.moveCursorToPosition = function(pos) {
+        this.selection.moveCursorToPosition(pos);
+    };
+    this.jumpToMatching = function(select, expand) {
+        var cursor = this.getCursorPosition();
+        var iterator = new TokenIterator(this.session, cursor.row, cursor.column);
+        var prevToken = iterator.getCurrentToken();
+        var token = prevToken || iterator.stepForward();
+
+        if (!token) return;
+        var matchType;
+        var found = false;
+        var depth = {};
+        var i = cursor.column - token.start;
+        var bracketType;
+        var brackets = {
+            ")": "(",
+            "(": "(",
+            "]": "[",
+            "[": "[",
+            "{": "{",
+            "}": "{"
+        };
+
+        do {
+            if (token.value.match(/[{}()\[\]]/g)) {
+                for (; i < token.value.length && !found; i++) {
+                    if (!brackets[token.value[i]]) {
+                        continue;
+                    }
+
+                    bracketType = brackets[token.value[i]] + '.' + token.type.replace("rparen", "lparen");
+
+                    if (isNaN(depth[bracketType])) {
+                        depth[bracketType] = 0;
+                    }
+
+                    switch (token.value[i]) {
+                        case '(':
+                        case '[':
+                        case '{':
+                            depth[bracketType]++;
+                            break;
+                        case ')':
+                        case ']':
+                        case '}':
+                            depth[bracketType]--;
+
+                            if (depth[bracketType] === -1) {
+                                matchType = 'bracket';
+                                found = true;
+                            }
+                        break;
+                    }
+                }
+            }
+            else if (token && token.type.indexOf('tag-name') !== -1) {
+                if (isNaN(depth[token.value])) {
+                    depth[token.value] = 0;
+                }
+
+                if (prevToken.value === '<') {
+                    depth[token.value]++;
+                }
+                else if (prevToken.value === '</') {
+                    depth[token.value]--;
+                }
+
+                if (depth[token.value] === -1) {
+                    matchType = 'tag';
+                    found = true;
+                }
+            }
+
+            if (!found) {
+                prevToken = token;
+                token = iterator.stepForward();
+                i = 0;
+            }
+        } while (token && !found);
+        if (!matchType)
+            return;
+
+        var range, pos;
+        if (matchType === 'bracket') {
+            range = this.session.getBracketRange(cursor);
+            if (!range) {
+                range = new Range(
+                    iterator.getCurrentTokenRow(),
+                    iterator.getCurrentTokenColumn() + i - 1,
+                    iterator.getCurrentTokenRow(),
+                    iterator.getCurrentTokenColumn() + i - 1
+                );
+                pos = range.start;
+                if (expand || pos.row === cursor.row && Math.abs(pos.column - cursor.column) < 2)
+                    range = this.session.getBracketRange(pos);
+            }
+        }
+        else if (matchType === 'tag') {
+            if (token && token.type.indexOf('tag-name') !== -1)
+                var tag = token.value;
+            else
+                return;
+
+            range = new Range(
+                iterator.getCurrentTokenRow(),
+                iterator.getCurrentTokenColumn() - 2,
+                iterator.getCurrentTokenRow(),
+                iterator.getCurrentTokenColumn() - 2
+            );
+            if (range.compare(cursor.row, cursor.column) === 0) {
+                found = false;
+                do {
+                    token = prevToken;
+                    prevToken = iterator.stepBackward();
+
+                    if (prevToken) {
+                        if (prevToken.type.indexOf('tag-close') !== -1) {
+                            range.setEnd(iterator.getCurrentTokenRow(), iterator.getCurrentTokenColumn() + 1);
+                        }
+
+                        if (token.value === tag && token.type.indexOf('tag-name') !== -1) {
+                            if (prevToken.value === '<') {
+                                depth[tag]++;
+                            }
+                            else if (prevToken.value === '</') {
+                                depth[tag]--;
+                            }
+
+                            if (depth[tag] === 0)
+                                found = true;
+                        }
+                    }
+                } while (prevToken && !found);
+            }
+            if (token && token.type.indexOf('tag-name')) {
+                pos = range.start;
+                if (pos.row == cursor.row && Math.abs(pos.column - cursor.column) < 2)
+                    pos = range.end;
+            }
+        }
+
+        pos = range && range.cursor || pos;
+        if (pos) {
+            if (select) {
+                if (range && expand) {
+                    this.selection.setRange(range);
+                } else if (range && range.isEqual(this.getSelectionRange())) {
+                    this.clearSelection();
+                } else {
+                    this.selection.selectTo(pos.row, pos.column);
+                }
+            } else {
+                this.selection.moveTo(pos.row, pos.column);
+            }
+        }
+    };
+    this.gotoLine = function(lineNumber, column, animate) {
+        this.selection.clearSelection();
+        this.session.unfold({row: lineNumber - 1, column: column || 0});
+
+        this.$blockScrolling += 1;
+        this.exitMultiSelectMode && this.exitMultiSelectMode();
+        this.moveCursorTo(lineNumber - 1, column || 0);
+        this.$blockScrolling -= 1;
+
+        if (!this.isRowFullyVisible(lineNumber - 1))
+            this.scrollToLine(lineNumber - 1, true, animate);
+    };
+    this.navigateTo = function(row, column) {
+        this.selection.moveTo(row, column);
+    };
+    this.navigateUp = function(times) {
+        if (this.selection.isMultiLine() && !this.selection.isBackwards()) {
+            var selectionStart = this.selection.anchor.getPosition();
+            return this.moveCursorToPosition(selectionStart);
+        }
+        this.selection.clearSelection();
+        this.selection.moveCursorBy(-times || -1, 0);
+    };
+    this.navigateDown = function(times) {
+        if (this.selection.isMultiLine() && this.selection.isBackwards()) {
+            var selectionEnd = this.selection.anchor.getPosition();
+            return this.moveCursorToPosition(selectionEnd);
+        }
+        this.selection.clearSelection();
+        this.selection.moveCursorBy(times || 1, 0);
+    };
+    this.navigateLeft = function(times) {
+        if (!this.selection.isEmpty()) {
+            var selectionStart = this.getSelectionRange().start;
+            this.moveCursorToPosition(selectionStart);
+        }
+        else {
+            times = times || 1;
+            while (times--) {
+                this.selection.moveCursorLeft();
+            }
+        }
+        this.clearSelection();
+    };
+    this.navigateRight = function(times) {
+        if (!this.selection.isEmpty()) {
+            var selectionEnd = this.getSelectionRange().end;
+            this.moveCursorToPosition(selectionEnd);
+        }
+        else {
+            times = times || 1;
+            while (times--) {
+                this.selection.moveCursorRight();
+            }
+        }
+        this.clearSelection();
+    };
+    this.navigateLineStart = function() {
+        this.selection.moveCursorLineStart();
+        this.clearSelection();
+    };
+    this.navigateLineEnd = function() {
+        this.selection.moveCursorLineEnd();
+        this.clearSelection();
+    };
+    this.navigateFileEnd = function() {
+        this.selection.moveCursorFileEnd();
+        this.clearSelection();
+    };
+    this.navigateFileStart = function() {
+        this.selection.moveCursorFileStart();
+        this.clearSelection();
+    };
+    this.navigateWordRight = function() {
+        this.selection.moveCursorWordRight();
+        this.clearSelection();
+    };
+    this.navigateWordLeft = function() {
+        this.selection.moveCursorWordLeft();
+        this.clearSelection();
+    };
+    this.replace = function(replacement, options) {
+        if (options)
+            this.$search.set(options);
+
+        var range = this.$search.find(this.session);
+        var replaced = 0;
+        if (!range)
+            return replaced;
+
+        if (this.$tryReplace(range, replacement)) {
+            replaced = 1;
+        }
+        if (range !== null) {
+            this.selection.setSelectionRange(range);
+            this.renderer.scrollSelectionIntoView(range.start, range.end);
+        }
+
+        return replaced;
+    };
+    this.replaceAll = function(replacement, options) {
+        if (options) {
+            this.$search.set(options);
+        }
+
+        var ranges = this.$search.findAll(this.session);
+        var replaced = 0;
+        if (!ranges.length)
+            return replaced;
+
+        this.$blockScrolling += 1;
+
+        var selection = this.getSelectionRange();
+        this.selection.moveTo(0, 0);
+
+        for (var i = ranges.length - 1; i >= 0; --i) {
+            if(this.$tryReplace(ranges[i], replacement)) {
+                replaced++;
+            }
+        }
+
+        this.selection.setSelectionRange(selection);
+        this.$blockScrolling -= 1;
+
+        return replaced;
+    };
+
+    this.$tryReplace = function(range, replacement) {
+        var input = this.session.getTextRange(range);
+        replacement = this.$search.replace(input, replacement);
+        if (replacement !== null) {
+            range.end = this.session.replace(range, replacement);
+            return range;
+        } else {
+            return null;
+        }
+    };
+    this.getLastSearchOptions = function() {
+        return this.$search.getOptions();
+    };
+    this.find = function(needle, options, animate) {
+        if (!options)
+            options = {};
+
+        if (typeof needle == "string" || needle instanceof RegExp)
+            options.needle = needle;
+        else if (typeof needle == "object")
+            oop.mixin(options, needle);
+
+        var range = this.selection.getRange();
+        if (options.needle == null) {
+            needle = this.session.getTextRange(range)
+                || this.$search.$options.needle;
+            if (!needle) {
+                range = this.session.getWordRange(range.start.row, range.start.column);
+                needle = this.session.getTextRange(range);
+            }
+            this.$search.set({needle: needle});
+        }
+
+        this.$search.set(options);
+        if (!options.start)
+            this.$search.set({start: range});
+
+        var newRange = this.$search.find(this.session);
+        if (options.preventScroll)
+            return newRange;
+        if (newRange) {
+            this.revealRange(newRange, animate);
+            return newRange;
+        }
+        if (options.backwards)
+            range.start = range.end;
+        else
+            range.end = range.start;
+        this.selection.setRange(range);
+    };
+    this.findNext = function(options, animate) {
+        this.find({skipCurrent: true, backwards: false}, options, animate);
+    };
+    this.findPrevious = function(options, animate) {
+        this.find(options, {skipCurrent: true, backwards: true}, animate);
+    };
+
+    this.revealRange = function(range, animate) {
+        this.$blockScrolling += 1;
+        this.session.unfold(range);
+        this.selection.setSelectionRange(range);
+        this.$blockScrolling -= 1;
+
+        var scrollTop = this.renderer.scrollTop;
+        this.renderer.scrollSelectionIntoView(range.start, range.end, 0.5);
+        if (animate !== false)
+            this.renderer.animateScrolling(scrollTop);
+    };
+    this.undo = function() {
+        this.$blockScrolling++;
+        this.session.getUndoManager().undo();
+        this.$blockScrolling--;
+        this.renderer.scrollCursorIntoView(null, 0.5);
+    };
+    this.redo = function() {
+        this.$blockScrolling++;
+        this.session.getUndoManager().redo();
+        this.$blockScrolling--;
+        this.renderer.scrollCursorIntoView(null, 0.5);
+    };
+    this.destroy = function() {
+        this.renderer.destroy();
+        this._signal("destroy", this);
+        if (this.session) {
+            this.session.destroy();
+        }
+    };
+    this.setAutoScrollEditorIntoView = function(enable) {
+        if (!enable)
+            return;
+        var rect;
+        var self = this;
+        var shouldScroll = false;
+        if (!this.$scrollAnchor)
+            this.$scrollAnchor = document.createElement("div");
+        var scrollAnchor = this.$scrollAnchor;
+        scrollAnchor.style.cssText = "position:absolute";
+        this.container.insertBefore(scrollAnchor, this.container.firstChild);
+        var onChangeSelection = this.on("changeSelection", function() {
+            shouldScroll = true;
+        });
+        var onBeforeRender = this.renderer.on("beforeRender", function() {
+            if (shouldScroll)
+                rect = self.renderer.container.getBoundingClientRect();
+        });
+        var onAfterRender = this.renderer.on("afterRender", function() {
+            if (shouldScroll && rect && (self.isFocused()
+                || self.searchBox && self.searchBox.isFocused())
+            ) {
+                var renderer = self.renderer;
+                var pos = renderer.$cursorLayer.$pixelPos;
+                var config = renderer.layerConfig;
+                var top = pos.top - config.offset;
+                if (pos.top >= 0 && top + rect.top < 0) {
+                    shouldScroll = true;
+                } else if (pos.top < config.height &&
+                    pos.top + rect.top + config.lineHeight > window.innerHeight) {
+                    shouldScroll = false;
+                } else {
+                    shouldScroll = null;
+                }
+                if (shouldScroll != null) {
+                    scrollAnchor.style.top = top + "px";
+                    scrollAnchor.style.left = pos.left + "px";
+                    scrollAnchor.style.height = config.lineHeight + "px";
+                    scrollAnchor.scrollIntoView(shouldScroll);
+                }
+                shouldScroll = rect = null;
+            }
+        });
+        this.setAutoScrollEditorIntoView = function(enable) {
+            if (enable)
+                return;
+            delete this.setAutoScrollEditorIntoView;
+            this.removeEventListener("changeSelection", onChangeSelection);
+            this.renderer.removeEventListener("afterRender", onAfterRender);
+            this.renderer.removeEventListener("beforeRender", onBeforeRender);
+        };
+    };
+
+
+    this.$resetCursorStyle = function() {
+        var style = this.$cursorStyle || "ace";
+        var cursorLayer = this.renderer.$cursorLayer;
+        if (!cursorLayer)
+            return;
+        cursorLayer.setSmoothBlinking(/smooth/.test(style));
+        cursorLayer.isBlinking = !this.$readOnly && style != "wide";
+        dom.setCssClass(cursorLayer.element, "ace_slim-cursors", /slim/.test(style));
+    };
+
+}).call(Editor.prototype);
+
+
+
+config.defineOptions(Editor.prototype, "editor", {
+    selectionStyle: {
+        set: function(style) {
+            this.onSelectionChange();
+            this._signal("changeSelectionStyle", {data: style});
+        },
+        initialValue: "line"
+    },
+    highlightActiveLine: {
+        set: function() {this.$updateHighlightActiveLine();},
+        initialValue: true
+    },
+    highlightSelectedWord: {
+        set: function(shouldHighlight) {this.$onSelectionChange();},
+        initialValue: true
+    },
+    readOnly: {
+        set: function(readOnly) {
+            this.$resetCursorStyle();
+        },
+        initialValue: false
+    },
+    cursorStyle: {
+        set: function(val) { this.$resetCursorStyle(); },
+        values: ["ace", "slim", "smooth", "wide"],
+        initialValue: "ace"
+    },
+    mergeUndoDeltas: {
+        values: [false, true, "always"],
+        initialValue: true
+    },
+    behavioursEnabled: {initialValue: true},
+    wrapBehavioursEnabled: {initialValue: true},
+    autoScrollEditorIntoView: {
+        set: function(val) {this.setAutoScrollEditorIntoView(val)}
+    },
+
+    hScrollBarAlwaysVisible: "renderer",
+    vScrollBarAlwaysVisible: "renderer",
+    highlightGutterLine: "renderer",
+    animatedScroll: "renderer",
+    showInvisibles: "renderer",
+    showPrintMargin: "renderer",
+    printMarginColumn: "renderer",
+    printMargin: "renderer",
+    fadeFoldWidgets: "renderer",
+    showFoldWidgets: "renderer",
+    showLineNumbers: "renderer",
+    showGutter: "renderer",
+    displayIndentGuides: "renderer",
+    fontSize: "renderer",
+    fontFamily: "renderer",
+    maxLines: "renderer",
+    minLines: "renderer",
+    scrollPastEnd: "renderer",
+    fixedWidthGutter: "renderer",
+    theme: "renderer",
+
+    scrollSpeed: "$mouseHandler",
+    dragDelay: "$mouseHandler",
+    dragEnabled: "$mouseHandler",
+    focusTimout: "$mouseHandler",
+    tooltipFollowsMouse: "$mouseHandler",
+
+    firstLineNumber: "session",
+    overwrite: "session",
+    newLineMode: "session",
+    useWorker: "session",
+    useSoftTabs: "session",
+    tabSize: "session",
+    wrap: "session",
+    foldStyle: "session",
+    mode: "session"
+});
+
+exports.Editor = Editor;
+});
+
+define("ace/undomanager",["require","exports","module"], function(require, exports, module) {
+"use strict";
+var UndoManager = function() {
+    this.reset();
+};
+
+(function() {
+    this.execute = function(options) {
+        var deltas = options.args[0];
+        this.$doc  = options.args[1];
+        if (options.merge && this.hasUndo()){
+            this.dirtyCounter--;
+            deltas = this.$undoStack.pop().concat(deltas);
+        }
+        this.$undoStack.push(deltas);
+        this.$redoStack = [];
+
+        if (this.dirtyCounter < 0) {
+            this.dirtyCounter = NaN;
+        }
+        this.dirtyCounter++;
+    };
+    this.undo = function(dontSelect) {
+        var deltas = this.$undoStack.pop();
+        var undoSelectionRange = null;
+        if (deltas) {
+            undoSelectionRange =
+                this.$doc.undoChanges(deltas, dontSelect);
+            this.$redoStack.push(deltas);
+            this.dirtyCounter--;
+        }
+
+        return undoSelectionRange;
+    };
+    this.redo = function(dontSelect) {
+        var deltas = this.$redoStack.pop();
+        var redoSelectionRange = null;
+        if (deltas) {
+            redoSelectionRange =
+                this.$doc.redoChanges(deltas, dontSelect);
+            this.$undoStack.push(deltas);
+            this.dirtyCounter++;
+        }
+
+        return redoSelectionRange;
+    };
+    this.reset = function() {
+        this.$undoStack = [];
+        this.$redoStack = [];
+        this.dirtyCounter = 0;
+    };
+    this.hasUndo = function() {
+        return this.$undoStack.length > 0;
+    };
+    this.hasRedo = function() {
+        return this.$redoStack.length > 0;
+    };
+    this.markClean = function() {
+        this.dirtyCounter = 0;
+    };
+    this.isClean = function() {
+        return this.dirtyCounter === 0;
+    };
+
+}).call(UndoManager.prototype);
+
+exports.UndoManager = UndoManager;
+});
+
+define("ace/layer/gutter",["require","exports","module","ace/lib/dom","ace/lib/oop","ace/lib/lang","ace/lib/event_emitter"], function(require, exports, module) {
+"use strict";
+
+var dom = require("../lib/dom");
+var oop = require("../lib/oop");
+var lang = require("../lib/lang");
+var EventEmitter = require("../lib/event_emitter").EventEmitter;
+
+var Gutter = function(parentEl) {
+    this.element = dom.createElement("div");
+    this.element.className = "ace_layer ace_gutter-layer";
+    parentEl.appendChild(this.element);
+    this.setShowFoldWidgets(this.$showFoldWidgets);
+
+    this.gutterWidth = 0;
+
+    this.$annotations = [];
+    this.$updateAnnotations = this.$updateAnnotations.bind(this);
+
+    this.$cells = [];
+};
+
+(function() {
+
+    oop.implement(this, EventEmitter);
+
+    this.setSession = function(session) {
+        if (this.session)
+            this.session.removeEventListener("change", this.$updateAnnotations);
+        this.session = session;
+        if (session)
+            session.on("change", this.$updateAnnotations);
+    };
+
+    this.addGutterDecoration = function(row, className){
+        if (window.console)
+            console.warn && console.warn("deprecated use session.addGutterDecoration");
+        this.session.addGutterDecoration(row, className);
+    };
+
+    this.removeGutterDecoration = function(row, className){
+        if (window.console)
+            console.warn && console.warn("deprecated use session.removeGutterDecoration");
+        this.session.removeGutterDecoration(row, className);
+    };
+
+    this.setAnnotations = function(annotations) {
+        this.$annotations = [];
+        for (var i = 0; i < annotations.length; i++) {
+            var annotation = annotations[i];
+            var row = annotation.row;
+            var rowInfo = this.$annotations[row];
+            if (!rowInfo)
+                rowInfo = this.$annotations[row] = {text: []};
+
+            var annoText = annotation.text;
+            annoText = annoText ? lang.escapeHTML(annoText) : annotation.html || "";
+
+            if (rowInfo.text.indexOf(annoText) === -1)
+                rowInfo.text.push(annoText);
+
+            var type = annotation.type;
+            if (type == "error")
+                rowInfo.className = " ace_error";
+            else if (type == "warning" && rowInfo.className != " ace_error")
+                rowInfo.className = " ace_warning";
+            else if (type == "info" && (!rowInfo.className))
+                rowInfo.className = " ace_info";
+        }
+    };
+
+    this.$updateAnnotations = function (e) {
+        if (!this.$annotations.length)
+            return;
+        var delta = e.data;
+        var range = delta.range;
+        var firstRow = range.start.row;
+        var len = range.end.row - firstRow;
+        if (len === 0) {
+        } else if (delta.action == "removeText" || delta.action == "removeLines") {
+            this.$annotations.splice(firstRow, len + 1, null);
+        } else {
+            var args = new Array(len + 1);
+            args.unshift(firstRow, 1);
+            this.$annotations.splice.apply(this.$annotations, args);
+        }
+    };
+
+    this.update = function(config) {
+        var session = this.session;
+        var firstRow = config.firstRow;
+        var lastRow = Math.min(config.lastRow + config.gutterOffset,  // needed to compensate for hor scollbar
+            session.getLength() - 1);
+        var fold = session.getNextFoldLine(firstRow);
+        var foldStart = fold ? fold.start.row : Infinity;
+        var foldWidgets = this.$showFoldWidgets && session.foldWidgets;
+        var breakpoints = session.$breakpoints;
+        var decorations = session.$decorations;
+        var firstLineNumber = session.$firstLineNumber;
+        var lastLineNumber = 0;
+
+        var gutterRenderer = session.gutterRenderer || this.$renderer;
+
+        var cell = null;
+        var index = -1;
+        var row = firstRow;
+        while (true) {
+            if (row > foldStart) {
+                row = fold.end.row + 1;
+                fold = session.getNextFoldLine(row, fold);
+                foldStart = fold ? fold.start.row : Infinity;
+            }
+            if (row > lastRow) {
+                while (this.$cells.length > index + 1) {
+                    cell = this.$cells.pop();
+                    this.element.removeChild(cell.element);
+                }
+                break;
+            }
+
+            cell = this.$cells[++index];
+            if (!cell) {
+                cell = {element: null, textNode: null, foldWidget: null};
+                cell.element = dom.createElement("div");
+                cell.textNode = document.createTextNode('');
+                cell.element.appendChild(cell.textNode);
+                this.element.appendChild(cell.element);
+                this.$cells[index] = cell;
+            }
+
+            var className = "ace_gutter-cell ";
+            if (breakpoints[row])
+                className += breakpoints[row];
+            if (decorations[row])
+                className += decorations[row];
+            if (this.$annotations[row])
+                className += this.$annotations[row].className;
+            if (cell.element.className != className)
+                cell.element.className = className;
+
+            var height = session.getRowLength(row) * config.lineHeight + "px";
+            if (height != cell.element.style.height)
+                cell.element.style.height = height;
+
+            if (foldWidgets) {
+                var c = foldWidgets[row];
+                if (c == null)
+                    c = foldWidgets[row] = session.getFoldWidget(row);
+            }
+
+            if (c) {
+                if (!cell.foldWidget) {
+                    cell.foldWidget = dom.createElement("span");
+                    cell.element.appendChild(cell.foldWidget);
+                }
+                var className = "ace_fold-widget ace_" + c;
+                if (c == "start" && row == foldStart && row < fold.end.row)
+                    className += " ace_closed";
+                else
+                    className += " ace_open";
+                if (cell.foldWidget.className != className)
+                    cell.foldWidget.className = className;
+
+                var height = config.lineHeight + "px";
+                if (cell.foldWidget.style.height != height)
+                    cell.foldWidget.style.height = height;
+            } else {
+                if (cell.foldWidget) {
+                    cell.element.removeChild(cell.foldWidget);
+                    cell.foldWidget = null;
+                }
+            }
+
+            var text = lastLineNumber = gutterRenderer
+                ? gutterRenderer.getText(session, row)
+                : row + firstLineNumber;
+            if (text != cell.textNode.data)
+                cell.textNode.data = text;
+
+            row++;
+        }
+
+        this.element.style.height = config.minHeight + "px";
+
+        if (this.$fixedWidth || session.$useWrapMode)
+            lastLineNumber = session.getLength() + firstLineNumber;
+
+        var gutterWidth = gutterRenderer
+            ? gutterRenderer.getWidth(session, lastLineNumber, config)
+            : lastLineNumber.toString().length * config.characterWidth;
+
+        var padding = this.$padding || this.$computePadding();
+        gutterWidth += padding.left + padding.right;
+        if (gutterWidth !== this.gutterWidth && !isNaN(gutterWidth)) {
+            this.gutterWidth = gutterWidth;
+            this.element.style.width = Math.ceil(this.gutterWidth) + "px";
+            this._emit("changeGutterWidth", gutterWidth);
+        }
+    };
+
+    this.$fixedWidth = false;
+
+    this.$showLineNumbers = true;
+    this.$renderer = "";
+    this.setShowLineNumbers = function(show) {
+        this.$renderer = !show && {
+            getWidth: function() {return ""},
+            getText: function() {return ""}
+        };
+    };
+
+    this.getShowLineNumbers = function() {
+        return this.$showLineNumbers;
+    };
+
+    this.$showFoldWidgets = true;
+    this.setShowFoldWidgets = function(show) {
+        if (show)
+            dom.addCssClass(this.element, "ace_folding-enabled");
+        else
+            dom.removeCssClass(this.element, "ace_folding-enabled");
+
+        this.$showFoldWidgets = show;
+        this.$padding = null;
+    };
+
+    this.getShowFoldWidgets = function() {
+        return this.$showFoldWidgets;
+    };
+
+    this.$computePadding = function() {
+        if (!this.element.firstChild)
+            return {left: 0, right: 0};
+        var style = dom.computedStyle(this.element.firstChild);
+        this.$padding = {};
+        this.$padding.left = parseInt(style.paddingLeft) + 1 || 0;
+        this.$padding.right = parseInt(style.paddingRight) || 0;
+        return this.$padding;
+    };
+
+    this.getRegion = function(point) {
+        var padding = this.$padding || this.$computePadding();
+        var rect = this.element.getBoundingClientRect();
+        if (point.x < padding.left + rect.left)
+            return "markers";
+        if (this.$showFoldWidgets && point.x > rect.right - padding.right)
+            return "foldWidgets";
+    };
+
+}).call(Gutter.prototype);
+
+exports.Gutter = Gutter;
+
+});
+
+define("ace/layer/marker",["require","exports","module","ace/range","ace/lib/dom"], function(require, exports, module) {
+"use strict";
+
+var Range = require("../range").Range;
+var dom = require("../lib/dom");
+
+var Marker = function(parentEl) {
+    this.element = dom.createElement("div");
+    this.element.className = "ace_layer ace_marker-layer";
+    parentEl.appendChild(this.element);
+};
+
+(function() {
+
+    this.$padding = 0;
+
+    this.setPadding = function(padding) {
+        this.$padding = padding;
+    };
+    this.setSession = function(session) {
+        this.session = session;
+    };
+
+    this.setMarkers = function(markers) {
+        this.markers = markers;
+    };
+
+    this.update = function(config) {
+        var config = config || this.config;
+        if (!config)
+            return;
+
+        this.config = config;
+
+
+        var html = [];
+        for (var key in this.markers) {
+            var marker = this.markers[key];
+
+            if (!marker.range) {
+                marker.update(html, this, this.session, config);
+                continue;
+            }
+
+            var range = marker.range.clipRows(config.firstRow, config.lastRow);
+            if (range.isEmpty()) continue;
+
+            range = range.toScreenRange(this.session);
+            if (marker.renderer) {
+                var top = this.$getTop(range.start.row, config);
+                var left = this.$padding + range.start.column * config.characterWidth;
+                marker.renderer(html, range, left, top, config);
+            } else if (marker.type == "fullLine") {
+                this.drawFullLineMarker(html, range, marker.clazz, config);
+            } else if (marker.type == "screenLine") {
+                this.drawScreenLineMarker(html, range, marker.clazz, config);
+            } else if (range.isMultiLine()) {
+                if (marker.type == "text")
+                    this.drawTextMarker(html, range, marker.clazz, config);
+                else
+                    this.drawMultiLineMarker(html, range, marker.clazz, config);
+            } else {
+                this.drawSingleLineMarker(html, range, marker.clazz + " ace_start", config);
+            }
+        }
+        this.element.innerHTML = html.join("");
+    };
+
+    this.$getTop = function(row, layerConfig) {
+        return (row - layerConfig.firstRowScreen) * layerConfig.lineHeight;
+    };
+    this.drawTextMarker = function(stringBuilder, range, clazz, layerConfig, extraStyle) {
+        var row = range.start.row;
+
+        var lineRange = new Range(
+            row, range.start.column,
+            row, this.session.getScreenLastRowColumn(row)
+        );
+        this.drawSingleLineMarker(stringBuilder, lineRange, clazz + " ace_start", layerConfig, 1, extraStyle);
+        row = range.end.row;
+        lineRange = new Range(row, 0, row, range.end.column);
+        this.drawSingleLineMarker(stringBuilder, lineRange, clazz, layerConfig, 0, extraStyle);
+
+        for (row = range.start.row + 1; row < range.end.row; row++) {
+            lineRange.start.row = row;
+            lineRange.end.row = row;
+            lineRange.end.column = this.session.getScreenLastRowColumn(row);
+            this.drawSingleLineMarker(stringBuilder, lineRange, clazz, layerConfig, 1, extraStyle);
+        }
+    };
+    this.drawMultiLineMarker = function(stringBuilder, range, clazz, config, extraStyle) {
+        var padding = this.$padding;
+        var height = config.lineHeight;
+        var top = this.$getTop(range.start.row, config);
+        var left = padding + range.start.column * config.characterWidth;
+        extraStyle = extraStyle || "";
+
+        stringBuilder.push(
+            "<div class='", clazz, " ace_start' style='",
+            "height:", height, "px;",
+            "right:0;",
+            "top:", top, "px;",
+            "left:", left, "px;", extraStyle, "'></div>"
+        );
+        top = this.$getTop(range.end.row, config);
+        var width = range.end.column * config.characterWidth;
+
+        stringBuilder.push(
+            "<div class='", clazz, "' style='",
+            "height:", height, "px;",
+            "width:", width, "px;",
+            "top:", top, "px;",
+            "left:", padding, "px;", extraStyle, "'></div>"
+        );
+        height = (range.end.row - range.start.row - 1) * config.lineHeight;
+        if (height < 0)
+            return;
+        top = this.$getTop(range.start.row + 1, config);
+
+        stringBuilder.push(
+            "<div class='", clazz, "' style='",
+            "height:", height, "px;",
+            "right:0;",
+            "top:", top, "px;",
+            "left:", padding, "px;", extraStyle, "'></div>"
+        );
+    };
+    this.drawSingleLineMarker = function(stringBuilder, range, clazz, config, extraLength, extraStyle) {
+        var height = config.lineHeight;
+        var width = (range.end.column + (extraLength || 0) - range.start.column) * config.characterWidth;
+
+        var top = this.$getTop(range.start.row, config);
+        var left = this.$padding + range.start.column * config.characterWidth;
+
+        stringBuilder.push(
+            "<div class='", clazz, "' style='",
+            "height:", height, "px;",
+            "width:", width, "px;",
+            "top:", top, "px;",
+            "left:", left, "px;", extraStyle || "", "'></div>"
+        );
+    };
+
+    this.drawFullLineMarker = function(stringBuilder, range, clazz, config, extraStyle) {
+        var top = this.$getTop(range.start.row, config);
+        var height = config.lineHeight;
+        if (range.start.row != range.end.row)
+            height += this.$getTop(range.end.row, config) - top;
+
+        stringBuilder.push(
+            "<div class='", clazz, "' style='",
+            "height:", height, "px;",
+            "top:", top, "px;",
+            "left:0;right:0;", extraStyle || "", "'></div>"
+        );
+    };
+
+    this.drawScreenLineMarker = function(stringBuilder, range, clazz, config, extraStyle) {
+        var top = this.$getTop(range.start.row, config);
+        var height = config.lineHeight;
+
+        stringBuilder.push(
+            "<div class='", clazz, "' style='",
+            "height:", height, "px;",
+            "top:", top, "px;",
+            "left:0;right:0;", extraStyle || "", "'></div>"
+        );
+    };
+
+}).call(Marker.prototype);
+
+exports.Marker = Marker;
+
+});
+
+define("ace/layer/text",["require","exports","module","ace/lib/oop","ace/lib/dom","ace/lib/lang","ace/lib/useragent","ace/lib/event_emitter"], function(require, exports, module) {
+"use strict";
+
+var oop = require("../lib/oop");
+var dom = require("../lib/dom");
+var lang = require("../lib/lang");
+var useragent = require("../lib/useragent");
+var EventEmitter = require("../lib/event_emitter").EventEmitter;
+
+var Text = function(parentEl) {
+    this.element = dom.createElement("div");
+    this.element.className = "ace_layer ace_text-layer";
+    parentEl.appendChild(this.element);
+    this.$updateEolChar = this.$updateEolChar.bind(this);
+};
+
+(function() {
+
+    oop.implement(this, EventEmitter);
+
+    this.EOF_CHAR = "\xB6";
+    this.EOL_CHAR_LF = "\xAC";
+    this.EOL_CHAR_CRLF = "\xa4";
+    this.EOL_CHAR = this.EOL_CHAR_LF;
+    this.TAB_CHAR = "\u2192"; //"\u21E5";
+    this.SPACE_CHAR = "\xB7";
+    this.$padding = 0;
+
+    this.$updateEolChar = function() {
+        var EOL_CHAR = this.session.doc.getNewLineCharacter() == "\n"
+           ? this.EOL_CHAR_LF
+           : this.EOL_CHAR_CRLF;
+        if (this.EOL_CHAR != EOL_CHAR) {
+            this.EOL_CHAR = EOL_CHAR;
+            return true;
+        }
+    }
+
+    this.setPadding = function(padding) {
+        this.$padding = padding;
+        this.element.style.padding = "0 " + padding + "px";
+    };
+
+    this.getLineHeight = function() {
+        return this.$fontMetrics.$characterSize.height || 0;
+    };
+
+    this.getCharacterWidth = function() {
+        return this.$fontMetrics.$characterSize.width || 0;
+    };
+
+    this.$setFontMetrics = function(measure) {
+        this.$fontMetrics = measure;
+        this.$fontMetrics.on("changeCharacterSize", function(e) {
+            this._signal("changeCharacterSize", e);
+        }.bind(this));
+        this.$pollSizeChanges();
+    }
+
+    this.checkForSizeChanges = function() {
+        this.$fontMetrics.checkForSizeChanges();
+    };
+    this.$pollSizeChanges = function() {
+        return this.$pollSizeChangesTimer = this.$fontMetrics.$pollSizeChanges();
+    };
+    this.setSession = function(session) {
+        this.session = session;
+        if (session)
+            this.$computeTabString();
+    };
+
+    this.showInvisibles = false;
+    this.setShowInvisibles = function(showInvisibles) {
+        if (this.showInvisibles == showInvisibles)
+            return false;
+
+        this.showInvisibles = showInvisibles;
+        this.$computeTabString();
+        return true;
+    };
+
+    this.displayIndentGuides = true;
+    this.setDisplayIndentGuides = function(display) {
+        if (this.displayIndentGuides == display)
+            return false;
+
+        this.displayIndentGuides = display;
+        this.$computeTabString();
+        return true;
+    };
+
+    this.$tabStrings = [];
+    this.onChangeTabSize =
+    this.$computeTabString = function() {
+        var tabSize = this.session.getTabSize();
+        this.tabSize = tabSize;
+        var tabStr = this.$tabStrings = [0];
+        for (var i = 1; i < tabSize + 1; i++) {
+            if (this.showInvisibles) {
+                tabStr.push("<span class='ace_invisible ace_invisible_tab'>"
+                    + this.TAB_CHAR
+                    + lang.stringRepeat("\xa0", i - 1)
+                    + "</span>");
+            } else {
+                tabStr.push(lang.stringRepeat("\xa0", i));
+            }
+        }
+        if (this.displayIndentGuides) {
+            this.$indentGuideRe =  /\s\S| \t|\t |\s$/;
+            var className = "ace_indent-guide";
+            var spaceClass = "";
+            var tabClass = "";
+            if (this.showInvisibles) {
+                className += " ace_invisible";
+                spaceClass = " ace_invisible_space";
+                tabClass = " ace_invisible_tab";
+                var spaceContent = lang.stringRepeat(this.SPACE_CHAR, this.tabSize);
+                var tabContent = this.TAB_CHAR + lang.stringRepeat("\xa0", this.tabSize - 1);
+            } else{
+                var spaceContent = lang.stringRepeat("\xa0", this.tabSize);
+                var tabContent = spaceContent;
+            }
+
+            this.$tabStrings[" "] = "<span class='" + className + spaceClass + "'>" + spaceContent + "</span>";
+            this.$tabStrings["\t"] = "<span class='" + className + tabClass + "'>" + tabContent + "</span>";
+        }
+    };
+
+    this.updateLines = function(config, firstRow, lastRow) {
+        if (this.config.lastRow != config.lastRow ||
+            this.config.firstRow != config.firstRow) {
+            this.scrollLines(config);
+        }
+        this.config = config;
+
+        var first = Math.max(firstRow, config.firstRow);
+        var last = Math.min(lastRow, config.lastRow);
+
+        var lineElements = this.element.childNodes;
+        var lineElementsIdx = 0;
+
+        for (var row = config.firstRow; row < first; row++) {
+            var foldLine = this.session.getFoldLine(row);
+            if (foldLine) {
+                if (foldLine.containsRow(first)) {
+                    first = foldLine.start.row;
+                    break;
+                } else {
+                    row = foldLine.end.row;
+                }
+            }
+            lineElementsIdx ++;
+        }
+
+        var row = first;
+        var foldLine = this.session.getNextFoldLine(row);
+        var foldStart = foldLine ? foldLine.start.row : Infinity;
+
+        while (true) {
+            if (row > foldStart) {
+                row = foldLine.end.row+1;
+                foldLine = this.session.getNextFoldLine(row, foldLine);
+                foldStart = foldLine ? foldLine.start.row :Infinity;
+            }
+            if (row > last)
+                break;
+
+            var lineElement = lineElements[lineElementsIdx++];
+            if (lineElement) {
+                var html = [];
+                this.$renderLine(
+                    html, row, !this.$useLineGroups(), row == foldStart ? foldLine : false
+                );
+                lineElement.style.height = config.lineHeight * this.session.getRowLength(row) + "px";
+                lineElement.innerHTML = html.join("");
+            }
+            row++;
+        }
+    };
+
+    this.scrollLines = function(config) {
+        var oldConfig = this.config;
+        this.config = config;
+
+        if (!oldConfig || oldConfig.lastRow < config.firstRow)
+            return this.update(config);
+
+        if (config.lastRow < oldConfig.firstRow)
+            return this.update(config);
+
+        var el = this.element;
+        if (oldConfig.firstRow < config.firstRow)
+            for (var row=this.session.getFoldedRowCount(oldConfig.firstRow, config.firstRow - 1); row>0; row--)
+                el.removeChild(el.firstChild);
+
+        if (oldConfig.lastRow > config.lastRow)
+            for (var row=this.session.getFoldedRowCount(config.lastRow + 1, oldConfig.lastRow); row>0; row--)
+                el.removeChild(el.lastChild);
+
+        if (config.firstRow < oldConfig.firstRow) {
+            var fragment = this.$renderLinesFragment(config, config.firstRow, oldConfig.firstRow - 1);
+            if (el.firstChild)
+                el.insertBefore(fragment, el.firstChild);
+            else
+                el.appendChild(fragment);
+        }
+
+        if (config.lastRow > oldConfig.lastRow) {
+            var fragment = this.$renderLinesFragment(config, oldConfig.lastRow + 1, config.lastRow);
+            el.appendChild(fragment);
+        }
+    };
+
+    this.$renderLinesFragment = function(config, firstRow, lastRow) {
+        var fragment = this.element.ownerDocument.createDocumentFragment();
+        var row = firstRow;
+        var foldLine = this.session.getNextFoldLine(row);
+        var foldStart = foldLine ? foldLine.start.row : Infinity;
+
+        while (true) {
+            if (row > foldStart) {
+                row = foldLine.end.row+1;
+                foldLine = this.session.getNextFoldLine(row, foldLine);
+                foldStart = foldLine ? foldLine.start.row : Infinity;
+            }
+            if (row > lastRow)
+                break;
+
+            var container = dom.createElement("div");
+
+            var html = [];
+            this.$renderLine(html, row, false, row == foldStart ? foldLine : false);
+            container.innerHTML = html.join("");
+            if (this.$useLineGroups()) {
+                container.className = 'ace_line_group';
+                fragment.appendChild(container);
+                container.style.height = config.lineHeight * this.session.getRowLength(row) + "px";
+
+            } else {
+                while(container.firstChild)
+                    fragment.appendChild(container.firstChild);
+            }
+
+            row++;
+        }
+        return fragment;
+    };
+
+    this.update = function(config) {
+        this.config = config;
+
+        var html = [];
+        var firstRow = config.firstRow, lastRow = config.lastRow;
+
+        var row = firstRow;
+        var foldLine = this.session.getNextFoldLine(row);
+        var foldStart = foldLine ? foldLine.start.row : Infinity;
+
+        while (true) {
+            if (row > foldStart) {
+                row = foldLine.end.row+1;
+                foldLine = this.session.getNextFoldLine(row, foldLine);
+                foldStart = foldLine ? foldLine.start.row :Infinity;
+            }
+            if (row > lastRow)
+                break;
+
+            if (this.$useLineGroups())
+                html.push("<div class='ace_line_group' style='height:", config.lineHeight*this.session.getRowLength(row), "px'>")
+
+            this.$renderLine(html, row, false, row == foldStart ? foldLine : false);
+
+            if (this.$useLineGroups())
+                html.push("</div>"); // end the line group
+
+            row++;
+        }
+        this.element.innerHTML = html.join("");
+    };
+
+    this.$textToken = {
+        "text": true,
+        "rparen": true,
+        "lparen": true
+    };
+
+    this.$renderToken = function(stringBuilder, screenColumn, token, value) {
+        var self = this;
+        var replaceReg = /\t|&|<|( +)|([\x00-\x1f\x80-\xa0\xad\u1680\u180E\u2000-\u200f\u2028\u2029\u202F\u205F\u3000\uFEFF])|[\u1100-\u115F\u11A3-\u11A7\u11FA-\u11FF\u2329-\u232A\u2E80-\u2E99\u2E9B-\u2EF3\u2F00-\u2FD5\u2FF0-\u2FFB\u3000-\u303E\u3041-\u3096\u3099-\u30FF\u3105-\u312D\u3131-\u318E\u3190-\u31BA\u31C0-\u31E3\u31F0-\u321E\u3220-\u3247\u3250-\u32FE\u3300-\u4DBF\u4E00-\uA48C\uA490-\uA4C6\uA960-\uA97C\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFAFF\uFE10-\uFE19\uFE30-\uFE52\uFE54-\uFE66\uFE68-\uFE6B\uFF01-\uFF60\uFFE0-\uFFE6]/g;
+        var replaceFunc = function(c, a, b, tabIdx, idx4) {
+            if (a) {
+                return self.showInvisibles ?
+                    "<span class='ace_invisible ace_invisible_space'>" + lang.stringRepeat(self.SPACE_CHAR, c.length) + "</span>" :
+                    lang.stringRepeat("\xa0", c.length);
+            } else if (c == "&") {
+                return "&#38;";
+            } else if (c == "<") {
+                return "&#60;";
+            } else if (c == "\t") {
+                var tabSize = self.session.getScreenTabSize(screenColumn + tabIdx);
+                screenColumn += tabSize - 1;
+                return self.$tabStrings[tabSize];
+            } else if (c == "\u3000") {
+                var classToUse = self.showInvisibles ? "ace_cjk ace_invisible ace_invisible_space" : "ace_cjk";
+                var space = self.showInvisibles ? self.SPACE_CHAR : "";
+                screenColumn += 1;
+                return "<span class='" + classToUse + "' style='width:" +
+                    (self.config.characterWidth * 2) +
+                    "px'>" + space + "</span>";
+            } else if (b) {
+                return "<span class='ace_invisible ace_invisible_space ace_invalid'>" + self.SPACE_CHAR + "</span>";
+            } else {
+                screenColumn += 1;
+                return "<span class='ace_cjk' style='width:" +
+                    (self.config.characterWidth * 2) +
+                    "px'>" + c + "</span>";
+            }
+        };
+
+        var output = value.replace(replaceReg, replaceFunc);
+
+        if (!this.$textToken[token.type]) {
+            var classes = "ace_" + token.type.replace(/\./g, " ace_");
+            var style = "";
+            if (token.type == "fold")
+                style = " style='width:" + (token.value.length * this.config.characterWidth) + "px;' ";
+            stringBuilder.push("<span class='", classes, "'", style, ">", output, "</span>");
+        }
+        else {
+            stringBuilder.push(output);
+        }
+        return screenColumn + value.length;
+    };
+
+    this.renderIndentGuide = function(stringBuilder, value, max) {
+        var cols = value.search(this.$indentGuideRe);
+        if (cols <= 0 || cols >= max)
+            return value;
+        if (value[0] == " ") {
+            cols -= cols % this.tabSize;
+            stringBuilder.push(lang.stringRepeat(this.$tabStrings[" "], cols/this.tabSize));
+            return value.substr(cols);
+        } else if (value[0] == "\t") {
+            stringBuilder.push(lang.stringRepeat(this.$tabStrings["\t"], cols));
+            return value.substr(cols);
+        }
+        return value;
+    };
+
+    this.$renderWrappedLine = function(stringBuilder, tokens, splits, onlyContents) {
+        var chars = 0;
+        var split = 0;
+        var splitChars = splits[0];
+        var screenColumn = 0;
+
+        for (var i = 0; i < tokens.length; i++) {
+            var token = tokens[i];
+            var value = token.value;
+            if (i == 0 && this.displayIndentGuides) {
+                chars = value.length;
+                value = this.renderIndentGuide(stringBuilder, value, splitChars);
+                if (!value)
+                    continue;
+                chars -= value.length;
+            }
+
+            if (chars + value.length < splitChars) {
+                screenColumn = this.$renderToken(stringBuilder, screenColumn, token, value);
+                chars += value.length;
+            } else {
+                while (chars + value.length >= splitChars) {
+                    screenColumn = this.$renderToken(
+                        stringBuilder, screenColumn,
+                        token, value.substring(0, splitChars - chars)
+                    );
+                    value = value.substring(splitChars - chars);
+                    chars = splitChars;
+
+                    if (!onlyContents) {
+                        stringBuilder.push("</div>",
+                            "<div class='ace_line' style='height:",
+                            this.config.lineHeight, "px'>"
+                        );
+                    }
+
+                    split ++;
+                    screenColumn = 0;
+                    splitChars = splits[split] || Number.MAX_VALUE;
+                }
+                if (value.length != 0) {
+                    chars += value.length;
+                    screenColumn = this.$renderToken(
+                        stringBuilder, screenColumn, token, value
+                    );
+                }
+            }
+        }
+    };
+
+    this.$renderSimpleLine = function(stringBuilder, tokens) {
+        var screenColumn = 0;
+        var token = tokens[0];
+        var value = token.value;
+        if (this.displayIndentGuides)
+            value = this.renderIndentGuide(stringBuilder, value);
+        if (value)
+            screenColumn = this.$renderToken(stringBuilder, screenColumn, token, value);
+        for (var i = 1; i < tokens.length; i++) {
+            token = tokens[i];
+            value = token.value;
+            screenColumn = this.$renderToken(stringBuilder, screenColumn, token, value);
+        }
+    };
+    this.$renderLine = function(stringBuilder, row, onlyContents, foldLine) {
+        if (!foldLine && foldLine != false)
+            foldLine = this.session.getFoldLine(row);
+
+        if (foldLine)
+            var tokens = this.$getFoldLineTokens(row, foldLine);
+        else
+            var tokens = this.session.getTokens(row);
+
+
+        if (!onlyContents) {
+            stringBuilder.push(
+                "<div class='ace_line' style='height:",
+                    this.config.lineHeight * (
+                        this.$useLineGroups() ? 1 :this.session.getRowLength(row)
+                    ), "px'>"
+            );
+        }
+
+        if (tokens.length) {
+            var splits = this.session.getRowSplitData(row);
+            if (splits && splits.length)
+                this.$renderWrappedLine(stringBuilder, tokens, splits, onlyContents);
+            else
+                this.$renderSimpleLine(stringBuilder, tokens);
+        }
+
+        if (this.showInvisibles) {
+            if (foldLine)
+                row = foldLine.end.row
+
+            stringBuilder.push(
+                "<span class='ace_invisible ace_invisible_eol'>",
+                row == this.session.getLength() - 1 ? this.EOF_CHAR : this.EOL_CHAR,
+                "</span>"
+            );
+        }
+        if (!onlyContents)
+            stringBuilder.push("</div>");
+    };
+
+    this.$getFoldLineTokens = function(row, foldLine) {
+        var session = this.session;
+        var renderTokens = [];
+
+        function addTokens(tokens, from, to) {
+            var idx = 0, col = 0;
+            while ((col + tokens[idx].value.length) < from) {
+                col += tokens[idx].value.length;
+                idx++;
+
+                if (idx == tokens.length)
+                    return;
+            }
+            if (col != from) {
+                var value = tokens[idx].value.substring(from - col);
+                if (value.length > (to - from))
+                    value = value.substring(0, to - from);
+
+                renderTokens.push({
+                    type: tokens[idx].type,
+                    value: value
+                });
+
+                col = from + value.length;
+                idx += 1;
+            }
+
+            while (col < to && idx < tokens.length) {
+                var value = tokens[idx].value;
+                if (value.length + col > to) {
+                    renderTokens.push({
+                        type: tokens[idx].type,
+                        value: value.substring(0, to - col)
+                    });
+                } else
+                    renderTokens.push(tokens[idx]);
+                col += value.length;
+                idx += 1;
+            }
+        }
+
+        var tokens = session.getTokens(row);
+        foldLine.walk(function(placeholder, row, column, lastColumn, isNewRow) {
+            if (placeholder != null) {
+                renderTokens.push({
+                    type: "fold",
+                    value: placeholder
+                });
+            } else {
+                if (isNewRow)
+                    tokens = session.getTokens(row);
+
+                if (tokens.length)
+                    addTokens(tokens, lastColumn, column);
+            }
+        }, foldLine.end.row, this.session.getLine(foldLine.end.row).length);
+
+        return renderTokens;
+    };
+
+    this.$useLineGroups = function() {
+        return this.session.getUseWrapMode();
+    };
+
+    this.destroy = function() {
+        clearInterval(this.$pollSizeChangesTimer);
+        if (this.$measureNode)
+            this.$measureNode.parentNode.removeChild(this.$measureNode);
+        delete this.$measureNode;
+    };
+
+}).call(Text.prototype);
+
+exports.Text = Text;
+
+});
+
+define("ace/layer/cursor",["require","exports","module","ace/lib/dom"], function(require, exports, module) {
+"use strict";
+
+var dom = require("../lib/dom");
+var IE8;
+
+var Cursor = function(parentEl) {
+    this.element = dom.createElement("div");
+    this.element.className = "ace_layer ace_cursor-layer";
+    parentEl.appendChild(this.element);
+
+    if (IE8 === undefined)
+        IE8 = "opacity" in this.element;
+
+    this.isVisible = false;
+    this.isBlinking = true;
+    this.blinkInterval = 1000;
+    this.smoothBlinking = false;
+
+    this.cursors = [];
+    this.cursor = this.addCursor();
+    dom.addCssClass(this.element, "ace_hidden-cursors");
+    this.$updateCursors = this.$updateVisibility.bind(this);
+};
+
+(function() {
+
+    this.$updateVisibility = function(val) {
+        var cursors = this.cursors;
+        for (var i = cursors.length; i--; )
+            cursors[i].style.visibility = val ? "" : "hidden";
+    };
+    this.$updateOpacity = function(val) {
+        var cursors = this.cursors;
+        for (var i = cursors.length; i--; )
+            cursors[i].style.opacity = val ? "" : "0";
+    };
+
+
+    this.$padding = 0;
+    this.setPadding = function(padding) {
+        this.$padding = padding;
+    };
+
+    this.setSession = function(session) {
+        this.session = session;
+    };
+
+    this.setBlinking = function(blinking) {
+        if (blinking != this.isBlinking){
+            this.isBlinking = blinking;
+            this.restartTimer();
+        }
+    };
+
+    this.setBlinkInterval = function(blinkInterval) {
+        if (blinkInterval != this.blinkInterval){
+            this.blinkInterval = blinkInterval;
+            this.restartTimer();
+        }
+    };
+
+    this.setSmoothBlinking = function(smoothBlinking) {
+        if (smoothBlinking != this.smoothBlinking && !IE8) {
+            this.smoothBlinking = smoothBlinking;
+            dom.setCssClass(this.element, "ace_smooth-blinking", smoothBlinking);
+            this.$updateCursors(true);
+            this.$updateCursors = (smoothBlinking
+                ? this.$updateOpacity
+                : this.$updateVisibility).bind(this);
+            this.restartTimer();
+        }
+    };
+
+    this.addCursor = function() {
+        var el = dom.createElement("div");
+        el.className = "ace_cursor";
+        this.element.appendChild(el);
+        this.cursors.push(el);
+        return el;
+    };
+
+    this.removeCursor = function() {
+        if (this.cursors.length > 1) {
+            var el = this.cursors.pop();
+            el.parentNode.removeChild(el);
+            return el;
+        }
+    };
+
+    this.hideCursor = function() {
+        this.isVisible = false;
+        dom.addCssClass(this.element, "ace_hidden-cursors");
+        this.restartTimer();
+    };
+
+    this.showCursor = function() {
+        this.isVisible = true;
+        dom.removeCssClass(this.element, "ace_hidden-cursors");
+        this.restartTimer();
+    };
+
+    this.restartTimer = function() {
+        var update = this.$updateCursors;
+        clearInterval(this.intervalId);
+        clearTimeout(this.timeoutId);
+        if (this.smoothBlinking) {
+            dom.removeCssClass(this.element, "ace_smooth-blinking");
+        }
+
+        update(true);
+
+        if (!this.isBlinking || !this.blinkInterval || !this.isVisible)
+            return;
+
+        if (this.smoothBlinking) {
+            setTimeout(function(){
+                dom.addCssClass(this.element, "ace_smooth-blinking");
+            }.bind(this));
+        }
+
+        var blink = function(){
+            this.timeoutId = setTimeout(function() {
+                update(false);
+            }, 0.6 * this.blinkInterval);
+        }.bind(this);
+
+        this.intervalId = setInterval(function() {
+            update(true);
+            blink();
+        }, this.blinkInterval);
+
+        blink();
+    };
+
+    this.getPixelPosition = function(position, onScreen) {
+        if (!this.config || !this.session)
+            return {left : 0, top : 0};
+
+        if (!position)
+            position = this.session.selection.getCursor();
+        var pos = this.session.documentToScreenPosition(position);
+        var cursorLeft = this.$padding + pos.column * this.config.characterWidth;
+        var cursorTop = (pos.row - (onScreen ? this.config.firstRowScreen : 0)) *
+            this.config.lineHeight;
+
+        return {left : cursorLeft, top : cursorTop};
+    };
+
+    this.update = function(config) {
+        this.config = config;
+
+        var selections = this.session.$selectionMarkers;
+        var i = 0, cursorIndex = 0;
+
+        if (selections === undefined || selections.length === 0){
+            selections = [{cursor: null}];
+        }
+
+        for (var i = 0, n = selections.length; i < n; i++) {
+            var pixelPos = this.getPixelPosition(selections[i].cursor, true);
+            if ((pixelPos.top > config.height + config.offset ||
+                 pixelPos.top < 0) && i > 1) {
+                continue;
+            }
+
+            var style = (this.cursors[cursorIndex++] || this.addCursor()).style;
+
+            if (!this.drawCursor) {
+                style.left = pixelPos.left + "px";
+                style.top = pixelPos.top + "px";
+                style.width = config.characterWidth + "px";
+                style.height = config.lineHeight + "px";
+            } else {
+                this.drawCursor(style, pixelPos, config, selections[i], this.session);
+            }
+        }
+        while (this.cursors.length > cursorIndex)
+            this.removeCursor();
+
+        var overwrite = this.session.getOverwrite();
+        this.$setOverwrite(overwrite);
+        this.$pixelPos = pixelPos;
+        this.restartTimer();
+    };
+
+    this.drawCursor = null;
+
+    this.$setOverwrite = function(overwrite) {
+        if (overwrite != this.overwrite) {
+            this.overwrite = overwrite;
+            if (overwrite)
+                dom.addCssClass(this.element, "ace_overwrite-cursors");
+            else
+                dom.removeCssClass(this.element, "ace_overwrite-cursors");
+        }
+    };
+
+    this.destroy = function() {
+        clearInterval(this.intervalId);
+        clearTimeout(this.timeoutId);
+    };
+
+}).call(Cursor.prototype);
+
+exports.Cursor = Cursor;
+
+});
+
+define("ace/scrollbar",["require","exports","module","ace/lib/oop","ace/lib/dom","ace/lib/event","ace/lib/event_emitter"], function(require, exports, module) {
+"use strict";
+
+var oop = require("./lib/oop");
+var dom = require("./lib/dom");
+var event = require("./lib/event");
+var EventEmitter = require("./lib/event_emitter").EventEmitter;
+var ScrollBar = function(parent) {
+    this.element = dom.createElement("div");
+    this.element.className = "ace_scrollbar ace_scrollbar" + this.classSuffix;
+
+    this.inner = dom.createElement("div");
+    this.inner.className = "ace_scrollbar-inner";
+    this.element.appendChild(this.inner);
+
+    parent.appendChild(this.element);
+
+    this.setVisible(false);
+    this.skipEvent = false;
+
+    event.addListener(this.element, "scroll", this.onScroll.bind(this));
+    event.addListener(this.element, "mousedown", event.preventDefault);
+};
+
+(function() {
+    oop.implement(this, EventEmitter);
+
+    this.setVisible = function(isVisible) {
+        this.element.style.display = isVisible ? "" : "none";
+        this.isVisible = isVisible;
+    };
+}).call(ScrollBar.prototype);
+var VScrollBar = function(parent, renderer) {
+    ScrollBar.call(this, parent);
+    this.scrollTop = 0;
+    renderer.$scrollbarWidth =
+    this.width = dom.scrollbarWidth(parent.ownerDocument);
+    this.inner.style.width =
+    this.element.style.width = (this.width || 15) + 5 + "px";
+};
+
+oop.inherits(VScrollBar, ScrollBar);
+
+(function() {
+
+    this.classSuffix = '-v';
+    this.onScroll = function() {
+        if (!this.skipEvent) {
+            this.scrollTop = this.element.scrollTop;
+            this._emit("scroll", {data: this.scrollTop});
+        }
+        this.skipEvent = false;
+    };
+    this.getWidth = function() {
+        return this.isVisible ? this.width : 0;
+    };
+    this.setHeight = function(height) {
+        this.element.style.height = height + "px";
+    };
+    this.setInnerHeight = function(height) {
+        this.inner.style.height = height + "px";
+    };
+    this.setScrollHeight = function(height) {
+        this.inner.style.height = height + "px";
+    };
+    this.setScrollTop = function(scrollTop) {
+        if (this.scrollTop != scrollTop) {
+            this.skipEvent = true;
+            this.scrollTop = this.element.scrollTop = scrollTop;
+        }
+    };
+
+}).call(VScrollBar.prototype);
+var HScrollBar = function(parent, renderer) {
+    ScrollBar.call(this, parent);
+    this.scrollLeft = 0;
+    this.height = renderer.$scrollbarWidth;
+    this.inner.style.height =
+    this.element.style.height = (this.height || 15) + 5 + "px";
+};
+
+oop.inherits(HScrollBar, ScrollBar);
+
+(function() {
+
+    this.classSuffix = '-h';
+    this.onScroll = function() {
+        if (!this.skipEvent) {
+            this.scrollLeft = this.element.scrollLeft;
+            this._emit("scroll", {data: this.scrollLeft});
+        }
+        this.skipEvent = false;
+    };
+    this.getHeight = function() {
+        return this.isVisible ? this.height : 0;
+    };
+    this.setWidth = function(width) {
+        this.element.style.width = width + "px";
+    };
+    this.setInnerWidth = function(width) {
+        this.inner.style.width = width + "px";
+    };
+    this.setScrollWidth = function(width) {
+        this.inner.style.width = width + "px";
+    };
+    this.setScrollLeft = function(scrollLeft) {
+        if (this.scrollLeft != scrollLeft) {
+            this.skipEvent = true;
+            this.scrollLeft = this.element.scrollLeft = scrollLeft;
+        }
+    };
+
+}).call(HScrollBar.prototype);
+
+
+exports.ScrollBar = VScrollBar; // backward compatibility
+exports.ScrollBarV = VScrollBar; // backward compatibility
+exports.ScrollBarH = HScrollBar; // backward compatibility
+
+exports.VScrollBar = VScrollBar;
+exports.HScrollBar = HScrollBar;
+});
+
+define("ace/renderloop",["require","exports","module","ace/lib/event"], function(require, exports, module) {
+"use strict";
+
+var event = require("./lib/event");
+
+
+var RenderLoop = function(onRender, win) {
+    this.onRender = onRender;
+    this.pending = false;
+    this.changes = 0;
+    this.window = win || window;
+};
+
+(function() {
+
+
+    this.schedule = function(change) {
+        this.changes = this.changes | change;
+        if (!this.pending && this.changes) {
+            this.pending = true;
+            var _self = this;
+            event.nextFrame(function() {
+                _self.pending = false;
+                var changes;
+                while (changes = _self.changes) {
+                    _self.changes = 0;
+                    _self.onRender(changes);
+                }
+            }, this.window);
+        }
+    };
+
+}).call(RenderLoop.prototype);
+
+exports.RenderLoop = RenderLoop;
+});
+
+define("ace/layer/font_metrics",["require","exports","module","ace/lib/oop","ace/lib/dom","ace/lib/lang","ace/lib/useragent","ace/lib/event_emitter"], function(require, exports, module) {
+
+var oop = require("../lib/oop");
+var dom = require("../lib/dom");
+var lang = require("../lib/lang");
+var useragent = require("../lib/useragent");
+var EventEmitter = require("../lib/event_emitter").EventEmitter;
+
+var CHAR_COUNT = 0;
+
+var FontMetrics = exports.FontMetrics = function(parentEl, interval) {
+    this.el = dom.createElement("div");
+    this.$setMeasureNodeStyles(this.el.style, true);
+
+    this.$main = dom.createElement("div");
+    this.$setMeasureNodeStyles(this.$main.style);
+
+    this.$measureNode = dom.createElement("div");
+    this.$setMeasureNodeStyles(this.$measureNode.style);
+
+
+    this.el.appendChild(this.$main);
+    this.el.appendChild(this.$measureNode);
+    parentEl.appendChild(this.el);
+
+    if (!CHAR_COUNT)
+        this.$testFractionalRect();
+    this.$measureNode.innerHTML = lang.stringRepeat("X", CHAR_COUNT);
+
+    this.$characterSize = {width: 0, height: 0};
+    this.checkForSizeChanges();
+};
+
+(function() {
+
+    oop.implement(this, EventEmitter);
+
+    this.$characterSize = {width: 0, height: 0};
+
+    this.$testFractionalRect = function() {
+        var el = dom.createElement("div");
+        this.$setMeasureNodeStyles(el.style);
+        el.style.width = "0.2px";
+        document.documentElement.appendChild(el);
+        var w = el.getBoundingClientRect().width;
+        if (w > 0 && w < 1)
+            CHAR_COUNT = 50;
+        else
+            CHAR_COUNT = 100;
+        el.parentNode.removeChild(el);
+    };
+
+    this.$setMeasureNodeStyles = function(style, isRoot) {
+        style.width = style.height = "auto";
+        style.left = style.top = "0px";
+        style.visibility = "hidden";
+        style.position = "absolute";
+        style.whiteSpace = "pre";
+
+        if (useragent.isIE < 8) {
+            style["font-family"] = "inherit";
+        } else {
+            style.font = "inherit";
+        }
+        style.overflow = isRoot ? "hidden" : "visible";
+    };
+
+    this.checkForSizeChanges = function() {
+        var size = this.$measureSizes();
+        if (size && (this.$characterSize.width !== size.width || this.$characterSize.height !== size.height)) {
+            this.$measureNode.style.fontWeight = "bold";
+            var boldSize = this.$measureSizes();
+            this.$measureNode.style.fontWeight = "";
+            this.$characterSize = size;
+            this.charSizes = Object.create(null);
+            this.allowBoldFonts = boldSize && boldSize.width === size.width && boldSize.height === size.height;
+            this._emit("changeCharacterSize", {data: size});
+        }
+    };
+
+    this.$pollSizeChanges = function() {
+        if (this.$pollSizeChangesTimer)
+            return this.$pollSizeChangesTimer;
+        var self = this;
+        return this.$pollSizeChangesTimer = setInterval(function() {
+            self.checkForSizeChanges();
+        }, 500);
+    };
+
+    this.setPolling = function(val) {
+        if (val) {
+            this.$pollSizeChanges();
+        } else {
+            if (this.$pollSizeChangesTimer)
+                this.$pollSizeChangesTimer;
+        }
+    };
+
+    this.$measureSizes = function() {
+        if (CHAR_COUNT === 50) {
+            var rect = null;
+            try {
+               rect = this.$measureNode.getBoundingClientRect();
+            } catch(e) {
+               rect = {width: 0, height:0 };
+            };
+            var size = {
+                height: rect.height,
+                width: rect.width / CHAR_COUNT
+            };
+        } else {
+            var size = {
+                height: this.$measureNode.clientHeight,
+                width: this.$measureNode.clientWidth / CHAR_COUNT
+            };
+        }
+        if (size.width === 0 || size.height === 0)
+            return null;
+        return size;
+    };
+
+    this.$measureCharWidth = function(ch) {
+        this.$main.innerHTML = lang.stringRepeat(ch, CHAR_COUNT);
+        var rect = this.$main.getBoundingClientRect();
+        return rect.width / CHAR_COUNT;
+    };
+
+    this.getCharacterWidth = function(ch) {
+        var w = this.charSizes[ch];
+        if (w === undefined) {
+            this.charSizes[ch] = this.$measureCharWidth(ch) / this.$characterSize.width;
+        }
+        return w;
+    };
+
+    this.destroy = function() {
+        clearInterval(this.$pollSizeChangesTimer);
+        if (this.el && this.el.parentNode)
+            this.el.parentNode.removeChild(this.el);
+    };
+
+}).call(FontMetrics.prototype);
+
+});
+
+define("ace/virtual_renderer",["require","exports","module","ace/lib/oop","ace/lib/dom","ace/config","ace/lib/useragent","ace/layer/gutter","ace/layer/marker","ace/layer/text","ace/layer/cursor","ace/scrollbar","ace/scrollbar","ace/renderloop","ace/layer/font_metrics","ace/lib/event_emitter"], function(require, exports, module) {
+"use strict";
+
+var oop = require("./lib/oop");
+var dom = require("./lib/dom");
+var config = require("./config");
+var useragent = require("./lib/useragent");
+var GutterLayer = require("./layer/gutter").Gutter;
+var MarkerLayer = require("./layer/marker").Marker;
+var TextLayer = require("./layer/text").Text;
+var CursorLayer = require("./layer/cursor").Cursor;
+var HScrollBar = require("./scrollbar").HScrollBar;
+var VScrollBar = require("./scrollbar").VScrollBar;
+var RenderLoop = require("./renderloop").RenderLoop;
+var FontMetrics = require("./layer/font_metrics").FontMetrics;
+var EventEmitter = require("./lib/event_emitter").EventEmitter;
+var editorCss = ".ace_editor {\
+position: relative;\
+overflow: hidden;\
+font: 12px/normal 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', 'source-code-pro', monospace;\
+direction: ltr;\
+}\
+.ace_scroller {\
+position: absolute;\
+overflow: hidden;\
+top: 0;\
+bottom: 0;\
+background-color: inherit;\
+-ms-user-select: none;\
+-moz-user-select: none;\
+-webkit-user-select: none;\
+user-select: none;\
+cursor: text;\
+}\
+.ace_content {\
+position: absolute;\
+-moz-box-sizing: border-box;\
+-webkit-box-sizing: border-box;\
+box-sizing: border-box;\
+min-width: 100%;\
+}\
+.ace_dragging .ace_scroller:before{\
+position: absolute;\
+top: 0;\
+left: 0;\
+right: 0;\
+bottom: 0;\
+content: '';\
+background: rgba(250, 250, 250, 0.01);\
+z-index: 1000;\
+}\
+.ace_dragging.ace_dark .ace_scroller:before{\
+background: rgba(0, 0, 0, 0.01);\
+}\
+.ace_selecting, .ace_selecting * {\
+cursor: text !important;\
+}\
+.ace_gutter {\
+position: absolute;\
+overflow : hidden;\
+width: auto;\
+top: 0;\
+bottom: 0;\
+left: 0;\
+cursor: default;\
+z-index: 4;\
+-ms-user-select: none;\
+-moz-user-select: none;\
+-webkit-user-select: none;\
+user-select: none;\
+}\
+.ace_gutter-active-line {\
+position: absolute;\
+left: 0;\
+right: 0;\
+}\
+.ace_scroller.ace_scroll-left {\
+box-shadow: 17px 0 16px -16px rgba(0, 0, 0, 0.4) inset;\
+}\
+.ace_gutter-cell {\
+padding-left: 19px;\
+padding-right: 6px;\
+background-repeat: no-repeat;\
+}\
+.ace_gutter-cell.ace_error {\
+background-image: url(\"data:image/png;base64,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\");\
+background-repeat: no-repeat;\
+background-position: 2px center;\
+}\
+.ace_gutter-cell.ace_warning {\
+background-image: url(\"data:image/png;base64,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\");\
+background-position: 2px center;\
+}\
+.ace_gutter-cell.ace_info {\
+background-image: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAAAAAA6mKC9AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAAJ0Uk5TAAB2k804AAAAPklEQVQY02NgIB68QuO3tiLznjAwpKTgNyDbMegwisCHZUETUZV0ZqOquBpXj2rtnpSJT1AEnnRmL2OgGgAAIKkRQap2htgAAAAASUVORK5CYII=\");\
+background-position: 2px center;\
+}\
+.ace_dark .ace_gutter-cell.ace_info {\
+background-image: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQBAMAAADt3eJSAAAAJFBMVEUAAAChoaGAgIAqKiq+vr6tra1ZWVmUlJSbm5s8PDxubm56enrdgzg3AAAAAXRSTlMAQObYZgAAAClJREFUeNpjYMAPdsMYHegyJZFQBlsUlMFVCWUYKkAZMxZAGdxlDMQBAG+TBP4B6RyJAAAAAElFTkSuQmCC\");\
+}\
+.ace_scrollbar {\
+position: absolute;\
+right: 0;\
+bottom: 0;\
+z-index: 6;\
+}\
+.ace_scrollbar-inner {\
+position: absolute;\
+cursor: text;\
+left: 0;\
+top: 0;\
+}\
+.ace_scrollbar-v{\
+overflow-x: hidden;\
+overflow-y: scroll;\
+top: 0;\
+}\
+.ace_scrollbar-h {\
+overflow-x: scroll;\
+overflow-y: hidden;\
+left: 0;\
+}\
+.ace_print-margin {\
+position: absolute;\
+height: 100%;\
+}\
+.ace_text-input {\
+position: absolute;\
+z-index: 0;\
+width: 0.5em;\
+height: 1em;\
+opacity: 0;\
+background: transparent;\
+-moz-appearance: none;\
+appearance: none;\
+border: none;\
+resize: none;\
+outline: none;\
+overflow: hidden;\
+font: inherit;\
+padding: 0 1px;\
+margin: 0 -1px;\
+text-indent: -1em;\
+-ms-user-select: text;\
+-moz-user-select: text;\
+-webkit-user-select: text;\
+user-select: text;\
+}\
+.ace_text-input.ace_composition {\
+background: inherit;\
+color: inherit;\
+z-index: 1000;\
+opacity: 1;\
+text-indent: 0;\
+}\
+.ace_layer {\
+z-index: 1;\
+position: absolute;\
+overflow: hidden;\
+white-space: pre;\
+height: 100%;\
+width: 100%;\
+-moz-box-sizing: border-box;\
+-webkit-box-sizing: border-box;\
+box-sizing: border-box;\
+pointer-events: none;\
+}\
+.ace_gutter-layer {\
+position: relative;\
+width: auto;\
+text-align: right;\
+pointer-events: auto;\
+}\
+.ace_text-layer {\
+font: inherit !important;\
+}\
+.ace_cjk {\
+display: inline-block;\
+text-align: center;\
+}\
+.ace_cursor-layer {\
+z-index: 4;\
+}\
+.ace_cursor {\
+z-index: 4;\
+position: absolute;\
+-moz-box-sizing: border-box;\
+-webkit-box-sizing: border-box;\
+box-sizing: border-box;\
+border-left: 2px solid\
+}\
+.ace_slim-cursors .ace_cursor {\
+border-left-width: 1px;\
+}\
+.ace_overwrite-cursors .ace_cursor {\
+border-left-width: 0;\
+border-bottom: 1px solid;\
+}\
+.ace_hidden-cursors .ace_cursor {\
+opacity: 0.2;\
+}\
+.ace_smooth-blinking .ace_cursor {\
+-webkit-transition: opacity 0.18s;\
+transition: opacity 0.18s;\
+}\
+.ace_editor.ace_multiselect .ace_cursor {\
+border-left-width: 1px;\
+}\
+.ace_marker-layer .ace_step, .ace_marker-layer .ace_stack {\
+position: absolute;\
+z-index: 3;\
+}\
+.ace_marker-layer .ace_selection {\
+position: absolute;\
+z-index: 5;\
+}\
+.ace_marker-layer .ace_bracket {\
+position: absolute;\
+z-index: 6;\
+}\
+.ace_marker-layer .ace_active-line {\
+position: absolute;\
+z-index: 2;\
+}\
+.ace_marker-layer .ace_selected-word {\
+position: absolute;\
+z-index: 4;\
+-moz-box-sizing: border-box;\
+-webkit-box-sizing: border-box;\
+box-sizing: border-box;\
+}\
+.ace_line .ace_fold {\
+-moz-box-sizing: border-box;\
+-webkit-box-sizing: border-box;\
+box-sizing: border-box;\
+display: inline-block;\
+height: 11px;\
+margin-top: -2px;\
+vertical-align: middle;\
+background-image:\
+url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABEAAAAJCAYAAADU6McMAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAJpJREFUeNpi/P//PwOlgAXGYGRklAVSokD8GmjwY1wasKljQpYACtpCFeADcHVQfQyMQAwzwAZI3wJKvCLkfKBaMSClBlR7BOQikCFGQEErIH0VqkabiGCAqwUadAzZJRxQr/0gwiXIal8zQQPnNVTgJ1TdawL0T5gBIP1MUJNhBv2HKoQHHjqNrA4WO4zY0glyNKLT2KIfIMAAQsdgGiXvgnYAAAAASUVORK5CYII=\"),\
+url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAA3CAYAAADNNiA5AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAACJJREFUeNpi+P//fxgTAwPDBxDxD078RSX+YeEyDFMCIMAAI3INmXiwf2YAAAAASUVORK5CYII=\");\
+background-repeat: no-repeat, repeat-x;\
+background-position: center center, top left;\
+color: transparent;\
+border: 1px solid black;\
+border-radius: 2px;\
+cursor: pointer;\
+pointer-events: auto;\
+}\
+.ace_dark .ace_fold {\
+}\
+.ace_fold:hover{\
+background-image:\
+url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABEAAAAJCAYAAADU6McMAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAJpJREFUeNpi/P//PwOlgAXGYGRklAVSokD8GmjwY1wasKljQpYACtpCFeADcHVQfQyMQAwzwAZI3wJKvCLkfKBaMSClBlR7BOQikCFGQEErIH0VqkabiGCAqwUadAzZJRxQr/0gwiXIal8zQQPnNVTgJ1TdawL0T5gBIP1MUJNhBv2HKoQHHjqNrA4WO4zY0glyNKLT2KIfIMAAQsdgGiXvgnYAAAAASUVORK5CYII=\"),\
+url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAA3CAYAAADNNiA5AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAACBJREFUeNpi+P//fz4TAwPDZxDxD5X4i5fLMEwJgAADAEPVDbjNw87ZAAAAAElFTkSuQmCC\");\
+}\
+.ace_tooltip {\
+background-color: #FFF;\
+background-image: -webkit-linear-gradient(top, transparent, rgba(0, 0, 0, 0.1));\
+background-image: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.1));\
+border: 1px solid gray;\
+border-radius: 1px;\
+box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);\
+color: black;\
+max-width: 100%;\
+padding: 3px 4px;\
+position: fixed;\
+z-index: 999999;\
+-moz-box-sizing: border-box;\
+-webkit-box-sizing: border-box;\
+box-sizing: border-box;\
+cursor: default;\
+white-space: pre;\
+word-wrap: break-word;\
+line-height: normal;\
+font-style: normal;\
+font-weight: normal;\
+letter-spacing: normal;\
+pointer-events: none;\
+}\
+.ace_folding-enabled > .ace_gutter-cell {\
+padding-right: 13px;\
+}\
+.ace_fold-widget {\
+-moz-box-sizing: border-box;\
+-webkit-box-sizing: border-box;\
+box-sizing: border-box;\
+margin: 0 -12px 0 1px;\
+display: none;\
+width: 11px;\
+vertical-align: top;\
+background-image: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAANElEQVR42mWKsQ0AMAzC8ixLlrzQjzmBiEjp0A6WwBCSPgKAXoLkqSot7nN3yMwR7pZ32NzpKkVoDBUxKAAAAABJRU5ErkJggg==\");\
+background-repeat: no-repeat;\
+background-position: center;\
+border-radius: 3px;\
+border: 1px solid transparent;\
+cursor: pointer;\
+}\
+.ace_folding-enabled .ace_fold-widget {\
+display: inline-block;   \
+}\
+.ace_fold-widget.ace_end {\
+background-image: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAANElEQVR42m3HwQkAMAhD0YzsRchFKI7sAikeWkrxwScEB0nh5e7KTPWimZki4tYfVbX+MNl4pyZXejUO1QAAAABJRU5ErkJggg==\");\
+}\
+.ace_fold-widget.ace_closed {\
+background-image: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAAGCAYAAAAG5SQMAAAAOUlEQVR42jXKwQkAMAgDwKwqKD4EwQ26sSOkVWjgIIHAzPiCgaqiqnJHZnKICBERHN194O5b9vbLuAVRL+l0YWnZAAAAAElFTkSuQmCCXA==\");\
+}\
+.ace_fold-widget:hover {\
+border: 1px solid rgba(0, 0, 0, 0.3);\
+background-color: rgba(255, 255, 255, 0.2);\
+box-shadow: 0 1px 1px rgba(255, 255, 255, 0.7);\
+}\
+.ace_fold-widget:active {\
+border: 1px solid rgba(0, 0, 0, 0.4);\
+background-color: rgba(0, 0, 0, 0.05);\
+box-shadow: 0 1px 1px rgba(255, 255, 255, 0.8);\
+}\
+.ace_dark .ace_fold-widget {\
+background-image: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHklEQVQIW2P4//8/AzoGEQ7oGCaLLAhWiSwB146BAQCSTPYocqT0AAAAAElFTkSuQmCC\");\
+}\
+.ace_dark .ace_fold-widget.ace_end {\
+background-image: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAH0lEQVQIW2P4//8/AxQ7wNjIAjDMgC4AxjCVKBirIAAF0kz2rlhxpAAAAABJRU5ErkJggg==\");\
+}\
+.ace_dark .ace_fold-widget.ace_closed {\
+background-image: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAAFCAYAAACAcVaiAAAAHElEQVQIW2P4//+/AxAzgDADlOOAznHAKgPWAwARji8UIDTfQQAAAABJRU5ErkJggg==\");\
+}\
+.ace_dark .ace_fold-widget:hover {\
+box-shadow: 0 1px 1px rgba(255, 255, 255, 0.2);\
+background-color: rgba(255, 255, 255, 0.1);\
+}\
+.ace_dark .ace_fold-widget:active {\
+box-shadow: 0 1px 1px rgba(255, 255, 255, 0.2);\
+}\
+.ace_fold-widget.ace_invalid {\
+background-color: #FFB4B4;\
+border-color: #DE5555;\
+}\
+.ace_fade-fold-widgets .ace_fold-widget {\
+-webkit-transition: opacity 0.4s ease 0.05s;\
+transition: opacity 0.4s ease 0.05s;\
+opacity: 0;\
+}\
+.ace_fade-fold-widgets:hover .ace_fold-widget {\
+-webkit-transition: opacity 0.05s ease 0.05s;\
+transition: opacity 0.05s ease 0.05s;\
+opacity:1;\
+}\
+.ace_underline {\
+text-decoration: underline;\
+}\
+.ace_bold {\
+font-weight: bold;\
+}\
+.ace_nobold .ace_bold {\
+font-weight: normal;\
+}\
+.ace_italic {\
+font-style: italic;\
+}\
+.ace_error-marker {\
+background-color: rgba(255, 0, 0,0.2);\
+position: absolute;\
+z-index: 9;\
+}\
+.ace_highlight-marker {\
+background-color: rgba(255, 255, 0,0.2);\
+position: absolute;\
+z-index: 8;\
+}\
+";
+
+dom.importCssString(editorCss, "ace_editor");
+
+var VirtualRenderer = function(container, theme) {
+    var _self = this;
+
+    this.container = container || dom.createElement("div");
+    this.$keepTextAreaAtCursor = !useragent.isOldIE;
+
+    dom.addCssClass(this.container, "ace_editor");
+
+    this.setTheme(theme);
+
+    this.$gutter = dom.createElement("div");
+    this.$gutter.className = "ace_gutter";
+    this.container.appendChild(this.$gutter);
+
+    this.scroller = dom.createElement("div");
+    this.scroller.className = "ace_scroller";
+    this.container.appendChild(this.scroller);
+
+    this.content = dom.createElement("div");
+    this.content.className = "ace_content";
+    this.scroller.appendChild(this.content);
+
+    this.$gutterLayer = new GutterLayer(this.$gutter);
+    this.$gutterLayer.on("changeGutterWidth", this.onGutterResize.bind(this));
+
+    this.$markerBack = new MarkerLayer(this.content);
+
+    var textLayer = this.$textLayer = new TextLayer(this.content);
+    this.canvas = textLayer.element;
+
+    this.$markerFront = new MarkerLayer(this.content);
+
+    this.$cursorLayer = new CursorLayer(this.content);
+    this.$horizScroll = false;
+    this.$vScroll = false;
+
+    this.scrollBar =
+    this.scrollBarV = new VScrollBar(this.container, this);
+    this.scrollBarH = new HScrollBar(this.container, this);
+    this.scrollBarV.addEventListener("scroll", function(e) {
+        if (!_self.$scrollAnimation)
+            _self.session.setScrollTop(e.data - _self.scrollMargin.top);
+    });
+    this.scrollBarH.addEventListener("scroll", function(e) {
+        if (!_self.$scrollAnimation)
+            _self.session.setScrollLeft(e.data - _self.scrollMargin.left);
+    });
+
+    this.scrollTop = 0;
+    this.scrollLeft = 0;
+
+    this.cursorPos = {
+        row : 0,
+        column : 0
+    };
+
+    this.$fontMetrics = new FontMetrics(this.container, 500);
+    this.$textLayer.$setFontMetrics(this.$fontMetrics);
+    this.$textLayer.addEventListener("changeCharacterSize", function(e) {
+        _self.updateCharacterSize();
+        _self.onResize(true, _self.gutterWidth, _self.$size.width, _self.$size.height);
+        _self._signal("changeCharacterSize", e);
+    });
+
+    this.$size = {
+        width: 0,
+        height: 0,
+        scrollerHeight: 0,
+        scrollerWidth: 0,
+        $dirty: true
+    };
+
+    this.layerConfig = {
+        width : 1,
+        padding : 0,
+        firstRow : 0,
+        firstRowScreen: 0,
+        lastRow : 0,
+        lineHeight : 0,
+        characterWidth : 0,
+        minHeight : 1,
+        maxHeight : 1,
+        offset : 0,
+        height : 1,
+        gutterOffset: 1
+    };
+
+    this.scrollMargin = {
+        left: 0,
+        right: 0,
+        top: 0,
+        bottom: 0,
+        v: 0,
+        h: 0
+    };
+
+    this.$loop = new RenderLoop(
+        this.$renderChanges.bind(this),
+        this.container.ownerDocument.defaultView
+    );
+    this.$loop.schedule(this.CHANGE_FULL);
+
+    this.updateCharacterSize();
+    this.setPadding(4);
+    config.resetOptions(this);
+    config._emit("renderer", this);
+};
+
+(function() {
+
+    this.CHANGE_CURSOR = 1;
+    this.CHANGE_MARKER = 2;
+    this.CHANGE_GUTTER = 4;
+    this.CHANGE_SCROLL = 8;
+    this.CHANGE_LINES = 16;
+    this.CHANGE_TEXT = 32;
+    this.CHANGE_SIZE = 64;
+    this.CHANGE_MARKER_BACK = 128;
+    this.CHANGE_MARKER_FRONT = 256;
+    this.CHANGE_FULL = 512;
+    this.CHANGE_H_SCROLL = 1024;
+
+    oop.implement(this, EventEmitter);
+
+    this.updateCharacterSize = function() {
+        if (this.$textLayer.allowBoldFonts != this.$allowBoldFonts) {
+            this.$allowBoldFonts = this.$textLayer.allowBoldFonts;
+            this.setStyle("ace_nobold", !this.$allowBoldFonts);
+        }
+
+        this.layerConfig.characterWidth =
+        this.characterWidth = this.$textLayer.getCharacterWidth();
+        this.layerConfig.lineHeight =
+        this.lineHeight = this.$textLayer.getLineHeight();
+        this.$updatePrintMargin();
+    };
+    this.setSession = function(session) {
+        if (this.session)
+            this.session.doc.off("changeNewLineMode", this.onChangeNewLineMode);
+
+        this.session = session;
+        if (session && this.scrollMargin.top && session.getScrollTop() <= 0)
+            session.setScrollTop(-this.scrollMargin.top);
+
+        this.$cursorLayer.setSession(session);
+        this.$markerBack.setSession(session);
+        this.$markerFront.setSession(session);
+        this.$gutterLayer.setSession(session);
+        this.$textLayer.setSession(session);
+        if (!session)
+            return;
+
+        this.$loop.schedule(this.CHANGE_FULL);
+        this.session.$setFontMetrics(this.$fontMetrics);
+
+        this.onChangeNewLineMode = this.onChangeNewLineMode.bind(this);
+        this.onChangeNewLineMode()
+        this.session.doc.on("changeNewLineMode", this.onChangeNewLineMode);
+    };
+    this.updateLines = function(firstRow, lastRow, force) {
+        if (lastRow === undefined)
+            lastRow = Infinity;
+
+        if (!this.$changedLines) {
+            this.$changedLines = {
+                firstRow: firstRow,
+                lastRow: lastRow
+            };
+        }
+        else {
+            if (this.$changedLines.firstRow > firstRow)
+                this.$changedLines.firstRow = firstRow;
+
+            if (this.$changedLines.lastRow < lastRow)
+                this.$changedLines.lastRow = lastRow;
+        }
+        if (this.$changedLines.lastRow < this.layerConfig.firstRow) {
+            if (force)
+                this.$changedLines.lastRow = this.layerConfig.lastRow;
+            else
+                return;
+        }
+        if (this.$changedLines.firstRow > this.layerConfig.lastRow)
+            return;
+        this.$loop.schedule(this.CHANGE_LINES);
+    };
+
+    this.onChangeNewLineMode = function() {
+        this.$loop.schedule(this.CHANGE_TEXT);
+        this.$textLayer.$updateEolChar();
+    };
+
+    this.onChangeTabSize = function() {
+        this.$loop.schedule(this.CHANGE_TEXT | this.CHANGE_MARKER);
+        this.$textLayer.onChangeTabSize();
+    };
+    this.updateText = function() {
+        this.$loop.schedule(this.CHANGE_TEXT);
+    };
+    this.updateFull = function(force) {
+        if (force)
+            this.$renderChanges(this.CHANGE_FULL, true);
+        else
+            this.$loop.schedule(this.CHANGE_FULL);
+    };
+    this.updateFontSize = function() {
+        this.$textLayer.checkForSizeChanges();
+    };
+
+    this.$changes = 0;
+    this.$updateSizeAsync = function() {
+        if (this.$loop.pending)
+            this.$size.$dirty = true;
+        else
+            this.onResize();
+    };
+    this.onResize = function(force, gutterWidth, width, height) {
+        if (this.resizing > 2)
+            return;
+        else if (this.resizing > 0)
+            this.resizing++;
+        else
+            this.resizing = force ? 1 : 0;
+        var el = this.container;
+        if (!height)
+            height = el.clientHeight || el.scrollHeight;
+        if (!width)
+            width = el.clientWidth || el.scrollWidth;
+        var changes = this.$updateCachedSize(force, gutterWidth, width, height);
+
+
+        if (!this.$size.scrollerHeight || (!width && !height))
+            return this.resizing = 0;
+
+        if (force)
+            this.$gutterLayer.$padding = null;
+
+        if (force)
+            this.$renderChanges(changes | this.$changes, true);
+        else
+            this.$loop.schedule(changes | this.$changes);
+
+        if (this.resizing)
+            this.resizing = 0;
+        this.scrollBarV.scrollLeft = this.scrollBarV.scrollTop = null;
+    };
+
+    this.$updateCachedSize = function(force, gutterWidth, width, height) {
+        height -= (this.$extraHeight || 0);
+        var changes = 0;
+        var size = this.$size;
+        var oldSize = {
+            width: size.width,
+            height: size.height,
+            scrollerHeight: size.scrollerHeight,
+            scrollerWidth: size.scrollerWidth
+        };
+        if (height && (force || size.height != height)) {
+            size.height = height;
+            changes |= this.CHANGE_SIZE;
+
+            size.scrollerHeight = size.height;
+            if (this.$horizScroll)
+                size.scrollerHeight -= this.scrollBarH.getHeight();
+            this.scrollBarV.element.style.bottom = this.scrollBarH.getHeight() + "px";
+
+            changes = changes | this.CHANGE_SCROLL;
+        }
+
+        if (width && (force || size.width != width)) {
+            changes |= this.CHANGE_SIZE;
+            size.width = width;
+
+            if (gutterWidth == null)
+                gutterWidth = this.$showGutter ? this.$gutter.offsetWidth : 0;
+
+            this.gutterWidth = gutterWidth;
+
+            this.scrollBarH.element.style.left =
+            this.scroller.style.left = gutterWidth + "px";
+            size.scrollerWidth = Math.max(0, width - gutterWidth - this.scrollBarV.getWidth());
+
+            this.scrollBarH.element.style.right =
+            this.scroller.style.right = this.scrollBarV.getWidth() + "px";
+            this.scroller.style.bottom = this.scrollBarH.getHeight() + "px";
+
+            if (this.session && this.session.getUseWrapMode() && this.adjustWrapLimit() || force)
+                changes |= this.CHANGE_FULL;
+        }
+
+        size.$dirty = !width || !height;
+
+        if (changes)
+            this._signal("resize", oldSize);
+
+        return changes;
+    };
+
+    this.onGutterResize = function() {
+        var gutterWidth = this.$showGutter ? this.$gutter.offsetWidth : 0;
+        if (gutterWidth != this.gutterWidth)
+            this.$changes |= this.$updateCachedSize(true, gutterWidth, this.$size.width, this.$size.height);
+
+        if (this.session.getUseWrapMode() && this.adjustWrapLimit()) {
+            this.$loop.schedule(this.CHANGE_FULL);
+        } else if (this.$size.$dirty) {
+            this.$loop.schedule(this.CHANGE_FULL);
+        } else {
+            this.$computeLayerConfig();
+            this.$loop.schedule(this.CHANGE_MARKER);
+        }
+    };
+    this.adjustWrapLimit = function() {
+        var availableWidth = this.$size.scrollerWidth - this.$padding * 2;
+        var limit = Math.floor(availableWidth / this.characterWidth);
+        return this.session.adjustWrapLimit(limit, this.$showPrintMargin && this.$printMarginColumn);
+    };
+    this.setAnimatedScroll = function(shouldAnimate){
+        this.setOption("animatedScroll", shouldAnimate);
+    };
+    this.getAnimatedScroll = function() {
+        return this.$animatedScroll;
+    };
+    this.setShowInvisibles = function(showInvisibles) {
+        this.setOption("showInvisibles", showInvisibles);
+    };
+    this.getShowInvisibles = function() {
+        return this.getOption("showInvisibles");
+    };
+    this.getDisplayIndentGuides = function() {
+        return this.getOption("displayIndentGuides");
+    };
+
+    this.setDisplayIndentGuides = function(display) {
+        this.setOption("displayIndentGuides", display);
+    };
+    this.setShowPrintMargin = function(showPrintMargin) {
+        this.setOption("showPrintMargin", showPrintMargin);
+    };
+    this.getShowPrintMargin = function() {
+        return this.getOption("showPrintMargin");
+    };
+    this.setPrintMarginColumn = function(showPrintMargin) {
+        this.setOption("printMarginColumn", showPrintMargin);
+    };
+    this.getPrintMarginColumn = function() {
+        return this.getOption("printMarginColumn");
+    };
+    this.getShowGutter = function(){
+        return this.getOption("showGutter");
+    };
+    this.setShowGutter = function(show){
+        return this.setOption("showGutter", show);
+    };
+
+    this.getFadeFoldWidgets = function(){
+        return this.getOption("fadeFoldWidgets")
+    };
+
+    this.setFadeFoldWidgets = function(show) {
+        this.setOption("fadeFoldWidgets", show);
+    };
+
+    this.setHighlightGutterLine = function(shouldHighlight) {
+        this.setOption("highlightGutterLine", shouldHighlight);
+    };
+
+    this.getHighlightGutterLine = function() {
+        return this.getOption("highlightGutterLine");
+    };
+
+    this.$updateGutterLineHighlight = function() {
+        var pos = this.$cursorLayer.$pixelPos;
+        var height = this.layerConfig.lineHeight;
+        if (this.session.getUseWrapMode()) {
+            var cursor = this.session.selection.getCursor();
+            cursor.column = 0;
+            pos = this.$cursorLayer.getPixelPosition(cursor, true);
+            height *= this.session.getRowLength(cursor.row);
+        }
+        this.$gutterLineHighlight.style.top = pos.top - this.layerConfig.offset + "px";
+        this.$gutterLineHighlight.style.height = height + "px";
+    };
+
+    this.$updatePrintMargin = function() {
+        if (!this.$showPrintMargin && !this.$printMarginEl)
+            return;
+
+        if (!this.$printMarginEl) {
+            var containerEl = dom.createElement("div");
+            containerEl.className = "ace_layer ace_print-margin-layer";
+            this.$printMarginEl = dom.createElement("div");
+            this.$printMarginEl.className = "ace_print-margin";
+            containerEl.appendChild(this.$printMarginEl);
+            this.content.insertBefore(containerEl, this.content.firstChild);
+        }
+
+        var style = this.$printMarginEl.style;
+        style.left = ((this.characterWidth * this.$printMarginColumn) + this.$padding) + "px";
+        style.visibility = this.$showPrintMargin ? "visible" : "hidden";
+
+        if (this.session && this.session.$wrap == -1)
+            this.adjustWrapLimit();
+    };
+    this.getContainerElement = function() {
+        return this.container;
+    };
+    this.getMouseEventTarget = function() {
+        return this.content;
+    };
+    this.getTextAreaContainer = function() {
+        return this.container;
+    };
+    this.$moveTextAreaToCursor = function() {
+        if (!this.$keepTextAreaAtCursor)
+            return;
+        var config = this.layerConfig;
+        var posTop = this.$cursorLayer.$pixelPos.top;
+        var posLeft = this.$cursorLayer.$pixelPos.left;
+        posTop -= config.offset;
+
+        var style = this.textarea.style;
+        var h = this.lineHeight;
+        if (posTop < 0 || posTop > config.height - h) {
+            style.top = style.left = "0";
+            return;
+        }
+
+        var w = this.characterWidth;
+        if (this.$composition) {
+            var val = this.textarea.value.replace(/^\x01+/, "");
+            w *= (this.session.$getStringScreenWidth(val)[0]+2);
+            h += 2;
+        }
+        posLeft -= this.scrollLeft;
+        if (posLeft > this.$size.scrollerWidth - w)
+            posLeft = this.$size.scrollerWidth - w;
+
+        posLeft += this.gutterWidth;
+        style.height = h + "px";
+        style.width = w + "px";
+        style.left = Math.min(posLeft, this.$size.scrollerWidth - w) + "px";
+        style.top = Math.min(posTop, this.$size.height - h) + "px";
+    };
+    this.getFirstVisibleRow = function() {
+        return this.layerConfig.firstRow;
+    };
+    this.getFirstFullyVisibleRow = function() {
+        return this.layerConfig.firstRow + (this.layerConfig.offset === 0 ? 0 : 1);
+    };
+    this.getLastFullyVisibleRow = function() {
+        var flint = Math.floor((this.layerConfig.height + this.layerConfig.offset) / this.layerConfig.lineHeight);
+        return this.layerConfig.firstRow - 1 + flint;
+    };
+    this.getLastVisibleRow = function() {
+        return this.layerConfig.lastRow;
+    };
+
+    this.$padding = null;
+    this.setPadding = function(padding) {
+        this.$padding = padding;
+        this.$textLayer.setPadding(padding);
+        this.$cursorLayer.setPadding(padding);
+        this.$markerFront.setPadding(padding);
+        this.$markerBack.setPadding(padding);
+        this.$loop.schedule(this.CHANGE_FULL);
+        this.$updatePrintMargin();
+    };
+
+    this.setScrollMargin = function(top, bottom, left, right) {
+        var sm = this.scrollMargin;
+        sm.top = top|0;
+        sm.bottom = bottom|0;
+        sm.right = right|0;
+        sm.left = left|0;
+        sm.v = sm.top + sm.bottom;
+        sm.h = sm.left + sm.right;
+        if (sm.top && this.scrollTop <= 0 && this.session)
+            this.session.setScrollTop(-sm.top);
+        this.updateFull();
+    };
+    this.getHScrollBarAlwaysVisible = function() {
+        return this.$hScrollBarAlwaysVisible;
+    };
+    this.setHScrollBarAlwaysVisible = function(alwaysVisible) {
+        this.setOption("hScrollBarAlwaysVisible", alwaysVisible);
+    };
+    this.getVScrollBarAlwaysVisible = function() {
+        return this.$hScrollBarAlwaysVisible;
+    };
+    this.setVScrollBarAlwaysVisible = function(alwaysVisible) {
+        this.setOption("vScrollBarAlwaysVisible", alwaysVisible);
+    };
+
+    this.$updateScrollBarV = function() {
+        var scrollHeight = this.layerConfig.maxHeight;
+        var scrollerHeight = this.$size.scrollerHeight;
+        if (!this.$maxLines && this.$scrollPastEnd) {
+            scrollHeight -= (scrollerHeight - this.lineHeight) * this.$scrollPastEnd;
+            if (this.scrollTop > scrollHeight - scrollerHeight) {
+                scrollHeight = this.scrollTop + scrollerHeight;
+                this.scrollBarV.scrollTop = null;
+            }
+        }
+        this.scrollBarV.setScrollHeight(scrollHeight + this.scrollMargin.v);
+        this.scrollBarV.setScrollTop(this.scrollTop + this.scrollMargin.top);
+    };
+    this.$updateScrollBarH = function() {
+        this.scrollBarH.setScrollWidth(this.layerConfig.width + 2 * this.$padding + this.scrollMargin.h);
+        this.scrollBarH.setScrollLeft(this.scrollLeft + this.scrollMargin.left);
+    };
+
+    this.$frozen = false;
+    this.freeze = function() {
+        this.$frozen = true;
+    };
+
+    this.unfreeze = function() {
+        this.$frozen = false;
+    };
+
+    this.$renderChanges = function(changes, force) {
+        if (this.$changes) {
+            changes |= this.$changes;
+            this.$changes = 0;
+        }
+        if ((!this.session || !this.container.offsetWidth || this.$frozen) || (!changes && !force)) {
+            this.$changes |= changes;
+            return;
+        }
+        if (this.$size.$dirty) {
+            this.$changes |= changes;
+            return this.onResize(true);
+        }
+        if (!this.lineHeight) {
+            this.$textLayer.checkForSizeChanges();
+        }
+
+        this._signal("beforeRender");
+        var config = this.layerConfig;
+        if (changes & this.CHANGE_FULL ||
+            changes & this.CHANGE_SIZE ||
+            changes & this.CHANGE_TEXT ||
+            changes & this.CHANGE_LINES ||
+            changes & this.CHANGE_SCROLL ||
+            changes & this.CHANGE_H_SCROLL
+        ) {
+            changes |= this.$computeLayerConfig();
+            if (config.firstRow != this.layerConfig.firstRow && config.firstRowScreen == this.layerConfig.firstRowScreen) {
+                var st = this.scrollTop + (config.firstRow - this.layerConfig.firstRow) * this.lineHeight;
+                if (st > 0) {
+                    this.scrollTop = st;
+                    changes = changes | this.CHANGE_SCROLL;
+                    changes |= this.$computeLayerConfig();
+                }
+            }
+            config = this.layerConfig;
+            this.$updateScrollBarV();
+            if (changes & this.CHANGE_H_SCROLL)
+                this.$updateScrollBarH();
+            this.$gutterLayer.element.style.marginTop = (-config.offset) + "px";
+            this.content.style.marginTop = (-config.offset) + "px";
+            this.content.style.width = config.width + 2 * this.$padding + "px";
+            this.content.style.height = config.minHeight + "px";
+        }
+        if (changes & this.CHANGE_H_SCROLL) {
+            this.content.style.marginLeft = -this.scrollLeft + "px";
+            this.scroller.className = this.scrollLeft <= 0 ? "ace_scroller" : "ace_scroller ace_scroll-left";
+        }
+        if (changes & this.CHANGE_FULL) {
+            this.$textLayer.update(config);
+            if (this.$showGutter)
+                this.$gutterLayer.update(config);
+            this.$markerBack.update(config);
+            this.$markerFront.update(config);
+            this.$cursorLayer.update(config);
+            this.$moveTextAreaToCursor();
+            this.$highlightGutterLine && this.$updateGutterLineHighlight();
+            this._signal("afterRender");
+            return;
+        }
+        if (changes & this.CHANGE_SCROLL) {
+            if (changes & this.CHANGE_TEXT || changes & this.CHANGE_LINES)
+                this.$textLayer.update(config);
+            else
+                this.$textLayer.scrollLines(config);
+
+            if (this.$showGutter)
+                this.$gutterLayer.update(config);
+            this.$markerBack.update(config);
+            this.$markerFront.update(config);
+            this.$cursorLayer.update(config);
+            this.$highlightGutterLine && this.$updateGutterLineHighlight();
+            this.$moveTextAreaToCursor();
+            this._signal("afterRender");
+            return;
+        }
+
+        if (changes & this.CHANGE_TEXT) {
+            this.$textLayer.update(config);
+            if (this.$showGutter)
+                this.$gutterLayer.update(config);
+        }
+        else if (changes & this.CHANGE_LINES) {
+            if (this.$updateLines() || (changes & this.CHANGE_GUTTER) && this.$showGutter)
+                this.$gutterLayer.update(config);
+        }
+        else if (changes & this.CHANGE_TEXT || changes & this.CHANGE_GUTTER) {
+            if (this.$showGutter)
+                this.$gutterLayer.update(config);
+        }
+
+        if (changes & this.CHANGE_CURSOR) {
+            this.$cursorLayer.update(config);
+            this.$moveTextAreaToCursor();
+            this.$highlightGutterLine && this.$updateGutterLineHighlight();
+        }
+
+        if (changes & (this.CHANGE_MARKER | this.CHANGE_MARKER_FRONT)) {
+            this.$markerFront.update(config);
+        }
+
+        if (changes & (this.CHANGE_MARKER | this.CHANGE_MARKER_BACK)) {
+            this.$markerBack.update(config);
+        }
+
+        this._signal("afterRender");
+    };
+
+
+    this.$autosize = function() {
+        var height = this.session.getScreenLength() * this.lineHeight;
+        var maxHeight = this.$maxLines * this.lineHeight;
+        var desiredHeight = Math.max(
+            (this.$minLines||1) * this.lineHeight,
+            Math.min(maxHeight, height)
+        ) + this.scrollMargin.v + (this.$extraHeight || 0);
+        var vScroll = height > maxHeight;
+
+        if (desiredHeight != this.desiredHeight ||
+            this.$size.height != this.desiredHeight || vScroll != this.$vScroll) {
+            if (vScroll != this.$vScroll) {
+                this.$vScroll = vScroll;
+                this.scrollBarV.setVisible(vScroll);
+            }
+
+            var w = this.container.clientWidth;
+            this.container.style.height = desiredHeight + "px";
+            this.$updateCachedSize(true, this.$gutterWidth, w, desiredHeight);
+            this.desiredHeight = desiredHeight;
+
+            this._signal("autosize");
+        }
+    };
+
+    this.$computeLayerConfig = function() {
+        if (this.$maxLines && this.lineHeight > 1)
+            this.$autosize();
+
+        var session = this.session;
+        var size = this.$size;
+
+        var hideScrollbars = size.height <= 2 * this.lineHeight;
+        var screenLines = this.session.getScreenLength();
+        var maxHeight = screenLines * this.lineHeight;
+
+        var offset = this.scrollTop % this.lineHeight;
+        var minHeight = size.scrollerHeight + this.lineHeight;
+
+        var longestLine = this.$getLongestLine();
+
+        var horizScroll = !hideScrollbars && (this.$hScrollBarAlwaysVisible ||
+            size.scrollerWidth - longestLine - 2 * this.$padding < 0);
+
+        var hScrollChanged = this.$horizScroll !== horizScroll;
+        if (hScrollChanged) {
+            this.$horizScroll = horizScroll;
+            this.scrollBarH.setVisible(horizScroll);
+        }
+
+        var scrollPastEnd = !this.$maxLines && this.$scrollPastEnd
+            ? (size.scrollerHeight - this.lineHeight) * this.$scrollPastEnd
+            : 0;
+        maxHeight += scrollPastEnd;
+
+        this.session.setScrollTop(Math.max(-this.scrollMargin.top,
+            Math.min(this.scrollTop, maxHeight - size.scrollerHeight + this.scrollMargin.bottom)));
+
+        this.session.setScrollLeft(Math.max(-this.scrollMargin.left, Math.min(this.scrollLeft,
+            longestLine + 2 * this.$padding - size.scrollerWidth + this.scrollMargin.right)));
+
+        var vScroll = !hideScrollbars && (this.$vScrollBarAlwaysVisible ||
+            size.scrollerHeight - maxHeight + scrollPastEnd < 0 || this.scrollTop);
+        var vScrollChanged = this.$vScroll !== vScroll;
+        if (vScrollChanged) {
+            this.$vScroll = vScroll;
+            this.scrollBarV.setVisible(vScroll);
+        }
+
+        var lineCount = Math.ceil(minHeight / this.lineHeight) - 1;
+        var firstRow = Math.max(0, Math.round((this.scrollTop - offset) / this.lineHeight));
+        var lastRow = firstRow + lineCount;
+        var firstRowScreen, firstRowHeight;
+        var lineHeight = this.lineHeight;
+        firstRow = session.screenToDocumentRow(firstRow, 0);
+        var foldLine = session.getFoldLine(firstRow);
+        if (foldLine) {
+            firstRow = foldLine.start.row;
+        }
+
+        firstRowScreen = session.documentToScreenRow(firstRow, 0);
+        firstRowHeight = session.getRowLength(firstRow) * lineHeight;
+
+        lastRow = Math.min(session.screenToDocumentRow(lastRow, 0), session.getLength() - 1);
+        minHeight = size.scrollerHeight + session.getRowLength(lastRow) * lineHeight +
+                                                firstRowHeight;
+
+        offset = this.scrollTop - firstRowScreen * lineHeight;
+
+        var changes = 0;
+        if (this.layerConfig.width != longestLine)
+            changes = this.CHANGE_H_SCROLL;
+        if (hScrollChanged || vScrollChanged) {
+            changes = this.$updateCachedSize(true, this.gutterWidth, size.width, size.height);
+            this._signal("scrollbarVisibilityChanged");
+            if (vScrollChanged)
+                longestLine = this.$getLongestLine();
+        }
+
+        this.layerConfig = {
+            width : longestLine,
+            padding : this.$padding,
+            firstRow : firstRow,
+            firstRowScreen: firstRowScreen,
+            lastRow : lastRow,
+            lineHeight : lineHeight,
+            characterWidth : this.characterWidth,
+            minHeight : minHeight,
+            maxHeight : maxHeight,
+            offset : offset,
+            gutterOffset : Math.max(0, Math.ceil((offset + size.height - size.scrollerHeight) / lineHeight)),
+            height : this.$size.scrollerHeight
+        };
+
+        return changes;
+    };
+
+    this.$updateLines = function() {
+        var firstRow = this.$changedLines.firstRow;
+        var lastRow = this.$changedLines.lastRow;
+        this.$changedLines = null;
+
+        var layerConfig = this.layerConfig;
+
+        if (firstRow > layerConfig.lastRow + 1) { return; }
+        if (lastRow < layerConfig.firstRow) { return; }
+        if (lastRow === Infinity) {
+            if (this.$showGutter)
+                this.$gutterLayer.update(layerConfig);
+            this.$textLayer.update(layerConfig);
+            return;
+        }
+        this.$textLayer.updateLines(layerConfig, firstRow, lastRow);
+        return true;
+    };
+
+    this.$getLongestLine = function() {
+        var charCount = this.session.getScreenWidth();
+        if (this.showInvisibles && !this.session.$useWrapMode)
+            charCount += 1;
+
+        return Math.max(this.$size.scrollerWidth - 2 * this.$padding, Math.round(charCount * this.characterWidth));
+    };
+    this.updateFrontMarkers = function() {
+        this.$markerFront.setMarkers(this.session.getMarkers(true));
+        this.$loop.schedule(this.CHANGE_MARKER_FRONT);
+    };
+    this.updateBackMarkers = function() {
+        this.$markerBack.setMarkers(this.session.getMarkers());
+        this.$loop.schedule(this.CHANGE_MARKER_BACK);
+    };
+    this.addGutterDecoration = function(row, className){
+        this.$gutterLayer.addGutterDecoration(row, className);
+    };
+    this.removeGutterDecoration = function(row, className){
+        this.$gutterLayer.removeGutterDecoration(row, className);
+    };
+    this.updateBreakpoints = function(rows) {
+        this.$loop.schedule(this.CHANGE_GUTTER);
+    };
+    this.setAnnotations = function(annotations) {
+        this.$gutterLayer.setAnnotations(annotations);
+        this.$loop.schedule(this.CHANGE_GUTTER);
+    };
+    this.updateCursor = function() {
+        this.$loop.schedule(this.CHANGE_CURSOR);
+    };
+    this.hideCursor = function() {
+        this.$cursorLayer.hideCursor();
+    };
+    this.showCursor = function() {
+        this.$cursorLayer.showCursor();
+    };
+
+    this.scrollSelectionIntoView = function(anchor, lead, offset) {
+        this.scrollCursorIntoView(anchor, offset);
+        this.scrollCursorIntoView(lead, offset);
+    };
+    this.scrollCursorIntoView = function(cursor, offset, $viewMargin) {
+        if (this.$size.scrollerHeight === 0)
+            return;
+
+        var pos = this.$cursorLayer.getPixelPosition(cursor);
+
+        var left = pos.left;
+        var top = pos.top;
+
+        var topMargin = $viewMargin && $viewMargin.top || 0;
+        var bottomMargin = $viewMargin && $viewMargin.bottom || 0;
+
+        var scrollTop = this.$scrollAnimation ? this.session.getScrollTop() : this.scrollTop;
+
+        if (scrollTop + topMargin > top) {
+            if (offset)
+                top -= offset * this.$size.scrollerHeight;
+            if (top === 0)
+                top = -this.scrollMargin.top;
+            this.session.setScrollTop(top);
+        } else if (scrollTop + this.$size.scrollerHeight - bottomMargin < top + this.lineHeight) {
+            if (offset)
+                top += offset * this.$size.scrollerHeight;
+            this.session.setScrollTop(top + this.lineHeight - this.$size.scrollerHeight);
+        }
+
+        var scrollLeft = this.scrollLeft;
+
+        if (scrollLeft > left) {
+            if (left < this.$padding + 2 * this.layerConfig.characterWidth)
+                left = -this.scrollMargin.left;
+            this.session.setScrollLeft(left);
+        } else if (scrollLeft + this.$size.scrollerWidth < left + this.characterWidth) {
+            this.session.setScrollLeft(Math.round(left + this.characterWidth - this.$size.scrollerWidth));
+        } else if (scrollLeft <= this.$padding && left - scrollLeft < this.characterWidth) {
+            this.session.setScrollLeft(0);
+        }
+    };
+    this.getScrollTop = function() {
+        return this.session.getScrollTop();
+    };
+    this.getScrollLeft = function() {
+        return this.session.getScrollLeft();
+    };
+    this.getScrollTopRow = function() {
+        return this.scrollTop / this.lineHeight;
+    };
+    this.getScrollBottomRow = function() {
+        return Math.max(0, Math.floor((this.scrollTop + this.$size.scrollerHeight) / this.lineHeight) - 1);
+    };
+    this.scrollToRow = function(row) {
+        this.session.setScrollTop(row * this.lineHeight);
+    };
+
+    this.alignCursor = function(cursor, alignment) {
+        if (typeof cursor == "number")
+            cursor = {row: cursor, column: 0};
+
+        var pos = this.$cursorLayer.getPixelPosition(cursor);
+        var h = this.$size.scrollerHeight - this.lineHeight;
+        var offset = pos.top - h * (alignment || 0);
+
+        this.session.setScrollTop(offset);
+        return offset;
+    };
+
+    this.STEPS = 8;
+    this.$calcSteps = function(fromValue, toValue){
+        var i = 0;
+        var l = this.STEPS;
+        var steps = [];
+
+        var func  = function(t, x_min, dx) {
+            return dx * (Math.pow(t - 1, 3) + 1) + x_min;
+        };
+
+        for (i = 0; i < l; ++i)
+            steps.push(func(i / this.STEPS, fromValue, toValue - fromValue));
+
+        return steps;
+    };
+    this.scrollToLine = function(line, center, animate, callback) {
+        var pos = this.$cursorLayer.getPixelPosition({row: line, column: 0});
+        var offset = pos.top;
+        if (center)
+            offset -= this.$size.scrollerHeight / 2;
+
+        var initialScroll = this.scrollTop;
+        this.session.setScrollTop(offset);
+        if (animate !== false)
+            this.animateScrolling(initialScroll, callback);
+    };
+
+    this.animateScrolling = function(fromValue, callback) {
+        var toValue = this.scrollTop;
+        if (!this.$animatedScroll)
+            return;
+        var _self = this;
+
+        if (fromValue == toValue)
+            return;
+
+        if (this.$scrollAnimation) {
+            var oldSteps = this.$scrollAnimation.steps;
+            if (oldSteps.length) {
+                fromValue = oldSteps[0];
+                if (fromValue == toValue)
+                    return;
+            }
+        }
+
+        var steps = _self.$calcSteps(fromValue, toValue);
+        this.$scrollAnimation = {from: fromValue, to: toValue, steps: steps};
+
+        clearInterval(this.$timer);
+
+        _self.session.setScrollTop(steps.shift());
+        _self.session.$scrollTop = toValue;
+        this.$timer = setInterval(function() {
+            if (steps.length) {
+                _self.session.setScrollTop(steps.shift());
+                _self.session.$scrollTop = toValue;
+            } else if (toValue != null) {
+                _self.session.$scrollTop = -1;
+                _self.session.setScrollTop(toValue);
+                toValue = null;
+            } else {
+                _self.$timer = clearInterval(_self.$timer);
+                _self.$scrollAnimation = null;
+                callback && callback();
+            }
+        }, 10);
+    };
+    this.scrollToY = function(scrollTop) {
+        if (this.scrollTop !== scrollTop) {
+            this.$loop.schedule(this.CHANGE_SCROLL);
+            this.scrollTop = scrollTop;
+        }
+    };
+    this.scrollToX = function(scrollLeft) {
+        if (this.scrollLeft !== scrollLeft)
+            this.scrollLeft = scrollLeft;
+        this.$loop.schedule(this.CHANGE_H_SCROLL);
+    };
+    this.scrollTo = function(x, y) {
+        this.session.setScrollTop(y);
+        this.session.setScrollLeft(y);
+    };
+    this.scrollBy = function(deltaX, deltaY) {
+        deltaY && this.session.setScrollTop(this.session.getScrollTop() + deltaY);
+        deltaX && this.session.setScrollLeft(this.session.getScrollLeft() + deltaX);
+    };
+    this.isScrollableBy = function(deltaX, deltaY) {
+        if (deltaY < 0 && this.session.getScrollTop() >= 1 - this.scrollMargin.top)
+           return true;
+        if (deltaY > 0 && this.session.getScrollTop() + this.$size.scrollerHeight
+            - this.layerConfig.maxHeight < -1 + this.scrollMargin.bottom)
+           return true;
+        if (deltaX < 0 && this.session.getScrollLeft() >= 1 - this.scrollMargin.left)
+            return true;
+        if (deltaX > 0 && this.session.getScrollLeft() + this.$size.scrollerWidth
+            - this.layerConfig.width < -1 + this.scrollMargin.right)
+           return true;
+    };
+
+    this.pixelToScreenCoordinates = function(x, y) {
+        var canvasPos = this.scroller.getBoundingClientRect();
+
+        var offset = (x + this.scrollLeft - canvasPos.left - this.$padding) / this.characterWidth;
+        var row = Math.floor((y + this.scrollTop - canvasPos.top) / this.lineHeight);
+        var col = Math.round(offset);
+
+        return {row: row, column: col, side: offset - col > 0 ? 1 : -1};
+    };
+
+    this.screenToTextCoordinates = function(x, y) {
+        var canvasPos = this.scroller.getBoundingClientRect();
+
+        var col = Math.round(
+            (x + this.scrollLeft - canvasPos.left - this.$padding) / this.characterWidth
+        );
+
+        var row = (y + this.scrollTop - canvasPos.top) / this.lineHeight;
+
+        return this.session.screenToDocumentPosition(row, Math.max(col, 0));
+    };
+    this.textToScreenCoordinates = function(row, column) {
+        var canvasPos = this.scroller.getBoundingClientRect();
+        var pos = this.session.documentToScreenPosition(row, column);
+
+        var x = this.$padding + Math.round(pos.column * this.characterWidth);
+        var y = pos.row * this.lineHeight;
+
+        return {
+            pageX: canvasPos.left + x - this.scrollLeft,
+            pageY: canvasPos.top + y - this.scrollTop
+        };
+    };
+    this.visualizeFocus = function() {
+        dom.addCssClass(this.container, "ace_focus");
+    };
+    this.visualizeBlur = function() {
+        dom.removeCssClass(this.container, "ace_focus");
+    };
+    this.showComposition = function(position) {
+        if (!this.$composition)
+            this.$composition = {
+                keepTextAreaAtCursor: this.$keepTextAreaAtCursor,
+                cssText: this.textarea.style.cssText
+            };
+
+        this.$keepTextAreaAtCursor = true;
+        dom.addCssClass(this.textarea, "ace_composition");
+        this.textarea.style.cssText = "";
+        this.$moveTextAreaToCursor();
+    };
+    this.setCompositionText = function(text) {
+        this.$moveTextAreaToCursor();
+    };
+    this.hideComposition = function() {
+        if (!this.$composition)
+            return;
+
+        dom.removeCssClass(this.textarea, "ace_composition");
+        this.$keepTextAreaAtCursor = this.$composition.keepTextAreaAtCursor;
+        this.textarea.style.cssText = this.$composition.cssText;
+        this.$composition = null;
+    };
+    this.setTheme = function(theme, cb) {
+        var _self = this;
+        this.$themeId = theme;
+        _self._dispatchEvent('themeChange',{theme:theme});
+
+        if (!theme || typeof theme == "string") {
+            var moduleName = theme || this.$options.theme.initialValue;
+            config.loadModule(["theme", moduleName], afterLoad);
+        } else {
+            afterLoad(theme);
+        }
+
+        function afterLoad(module) {
+            if (_self.$themeId != theme)
+                return cb && cb();
+            if (!module.cssClass)
+                return;
+            dom.importCssString(
+                module.cssText,
+                module.cssClass,
+                _self.container.ownerDocument
+            );
+
+            if (_self.theme)
+                dom.removeCssClass(_self.container, _self.theme.cssClass);
+
+            var padding = "padding" in module ? module.padding
+                : "padding" in (_self.theme || {}) ? 4 : _self.$padding;
+            if (_self.$padding && padding != _self.$padding)
+                _self.setPadding(padding);
+            _self.$theme = module.cssClass;
+
+            _self.theme = module;
+            dom.addCssClass(_self.container, module.cssClass);
+            dom.setCssClass(_self.container, "ace_dark", module.isDark);
+            if (_self.$size) {
+                _self.$size.width = 0;
+                _self.$updateSizeAsync();
+            }
+
+            _self._dispatchEvent('themeLoaded', {theme:module});
+            cb && cb();
+        }
+    };
+    this.getTheme = function() {
+        return this.$themeId;
+    };
+    this.setStyle = function(style, include) {
+        dom.setCssClass(this.container, style, include !== false);
+    };
+    this.unsetStyle = function(style) {
+        dom.removeCssClass(this.container, style);
+    };
+
+    this.setCursorStyle = function(style) {
+        if (this.scroller.style.cursor != style)
+            this.scroller.style.cursor = style;
+    };
+    this.setMouseCursor = function(cursorStyle) {
+        this.scroller.style.cursor = cursorStyle;
+    };
+    this.destroy = function() {
+        this.$textLayer.destroy();
+        this.$cursorLayer.destroy();
+    };
+
+}).call(VirtualRenderer.prototype);
+
+
+config.defineOptions(VirtualRenderer.prototype, "renderer", {
+    animatedScroll: {initialValue: false},
+    showInvisibles: {
+        set: function(value) {
+            if (this.$textLayer.setShowInvisibles(value))
+                this.$loop.schedule(this.CHANGE_TEXT);
+        },
+        initialValue: false
+    },
+    showPrintMargin: {
+        set: function() { this.$updatePrintMargin(); },
+        initialValue: true
+    },
+    printMarginColumn: {
+        set: function() { this.$updatePrintMargin(); },
+        initialValue: 80
+    },
+    printMargin: {
+        set: function(val) {
+            if (typeof val == "number")
+                this.$printMarginColumn = val;
+            this.$showPrintMargin = !!val;
+            this.$updatePrintMargin();
+        },
+        get: function() {
+            return this.$showPrintMargin && this.$printMarginColumn;
+        }
+    },
+    showGutter: {
+        set: function(show){
+            this.$gutter.style.display = show ? "block" : "none";
+            this.$loop.schedule(this.CHANGE_FULL);
+            this.onGutterResize();
+        },
+        initialValue: true
+    },
+    fadeFoldWidgets: {
+        set: function(show) {
+            dom.setCssClass(this.$gutter, "ace_fade-fold-widgets", show);
+        },
+        initialValue: false
+    },
+    showFoldWidgets: {
+        set: function(show) {this.$gutterLayer.setShowFoldWidgets(show)},
+        initialValue: true
+    },
+    showLineNumbers: {
+        set: function(show) {
+            this.$gutterLayer.setShowLineNumbers(show);
+            this.$loop.schedule(this.CHANGE_GUTTER);
+        },
+        initialValue: true
+    },
+    displayIndentGuides: {
+        set: function(show) {
+            if (this.$textLayer.setDisplayIndentGuides(show))
+                this.$loop.schedule(this.CHANGE_TEXT);
+        },
+        initialValue: true
+    },
+    highlightGutterLine: {
+        set: function(shouldHighlight) {
+            if (!this.$gutterLineHighlight) {
+                this.$gutterLineHighlight = dom.createElement("div");
+                this.$gutterLineHighlight.className = "ace_gutter-active-line";
+                this.$gutter.appendChild(this.$gutterLineHighlight);
+                return;
+            }
+
+            this.$gutterLineHighlight.style.display = shouldHighlight ? "" : "none";
+            if (this.$cursorLayer.$pixelPos)
+                this.$updateGutterLineHighlight();
+        },
+        initialValue: false,
+        value: true
+    },
+    hScrollBarAlwaysVisible: {
+        set: function(val) {
+            if (!this.$hScrollBarAlwaysVisible || !this.$horizScroll)
+                this.$loop.schedule(this.CHANGE_SCROLL);
+        },
+        initialValue: false
+    },
+    vScrollBarAlwaysVisible: {
+        set: function(val) {
+            if (!this.$vScrollBarAlwaysVisible || !this.$vScroll)
+                this.$loop.schedule(this.CHANGE_SCROLL);
+        },
+        initialValue: false
+    },
+    fontSize:  {
+        set: function(size) {
+            if (typeof size == "number")
+                size = size + "px";
+            this.container.style.fontSize = size;
+            this.updateFontSize();
+        },
+        initialValue: 12
+    },
+    fontFamily: {
+        set: function(name) {
+            this.container.style.fontFamily = name;
+            this.updateFontSize();
+        }
+    },
+    maxLines: {
+        set: function(val) {
+            this.updateFull();
+        }
+    },
+    minLines: {
+        set: function(val) {
+            this.updateFull();
+        }
+    },
+    scrollPastEnd: {
+        set: function(val) {
+            val = +val || 0;
+            if (this.$scrollPastEnd == val)
+                return;
+            this.$scrollPastEnd = val;
+            this.$loop.schedule(this.CHANGE_SCROLL);
+        },
+        initialValue: 0,
+        handlesSet: true
+    },
+    fixedWidthGutter: {
+        set: function(val) {
+            this.$gutterLayer.$fixedWidth = !!val;
+            this.$loop.schedule(this.CHANGE_GUTTER);
+        }
+    },
+    theme: {
+        set: function(val) { this.setTheme(val) },
+        get: function() { return this.$themeId || this.theme; },
+        initialValue: "./theme/textmate",
+        handlesSet: true
+    }
+});
+
+exports.VirtualRenderer = VirtualRenderer;
+});
+
+define("ace/worker/worker_client",["require","exports","module","ace/lib/oop","ace/lib/net","ace/lib/event_emitter","ace/config"], function(require, exports, module) {
+"use strict";
+
+var oop = require("../lib/oop");
+var net = require("../lib/net");
+var EventEmitter = require("../lib/event_emitter").EventEmitter;
+var config = require("../config");
+
+var WorkerClient = function(topLevelNamespaces, mod, classname, workerUrl) {
+    this.$sendDeltaQueue = this.$sendDeltaQueue.bind(this);
+    this.changeListener = this.changeListener.bind(this);
+    this.onMessage = this.onMessage.bind(this);
+    if (require.nameToUrl && !require.toUrl)
+        require.toUrl = require.nameToUrl;
+
+    if (config.get("packaged") || !require.toUrl) {
+        workerUrl = workerUrl || config.moduleUrl(mod, "worker");
+    } else {
+        var normalizePath = this.$normalizePath;
+        workerUrl = workerUrl || normalizePath(require.toUrl("ace/worker/worker.js", null, "_"));
+
+        var tlns = {};
+        topLevelNamespaces.forEach(function(ns) {
+            tlns[ns] = normalizePath(require.toUrl(ns, null, "_").replace(/(\.js)?(\?.*)?$/, ""));
+        });
+    }
+
+    try {
+        this.$worker = new Worker(workerUrl);
+    } catch(e) {
+        if (e instanceof window.DOMException) {
+            var blob = this.$workerBlob(workerUrl);
+            var URL = window.URL || window.webkitURL;
+            var blobURL = URL.createObjectURL(blob);
+
+            this.$worker = new Worker(blobURL);
+            URL.revokeObjectURL(blobURL);
+        } else {
+            throw e;
+        }
+    }
+    this.$worker.postMessage({
+        init : true,
+        tlns : tlns,
+        module : mod,
+        classname : classname
+    });
+
+    this.callbackId = 1;
+    this.callbacks = {};
+
+    this.$worker.onmessage = this.onMessage;
+};
+
+(function(){
+
+    oop.implement(this, EventEmitter);
+
+    this.onMessage = function(e) {
+        var msg = e.data;
+        switch(msg.type) {
+            case "event":
+                this._signal(msg.name, {data: msg.data});
+                break;
+            case "call":
+                var callback = this.callbacks[msg.id];
+                if (callback) {
+                    callback(msg.data);
+                    delete this.callbacks[msg.id];
+                }
+                break;
+            case "error":
+                this.reportError(msg.data);
+                break;
+            case "log":
+                window.console && console.log && console.log.apply(console, msg.data);
+                break;
+        }
+    };
+
+    this.reportError = function(err) {
+        window.console && console.error && console.error(err);
+    };
+
+    this.$normalizePath = function(path) {
+        return net.qualifyURL(path);
+    };
+
+    this.terminate = function() {
+        this._signal("terminate", {});
+        this.deltaQueue = null;
+        this.$worker.terminate();
+        this.$worker = null;
+        if (this.$doc)
+            this.$doc.off("change", this.changeListener);
+        this.$doc = null;
+    };
+
+    this.send = function(cmd, args) {
+        this.$worker.postMessage({command: cmd, args: args});
+    };
+
+    this.call = function(cmd, args, callback) {
+        if (callback) {
+            var id = this.callbackId++;
+            this.callbacks[id] = callback;
+            args.push(id);
+        }
+        this.send(cmd, args);
+    };
+
+    this.emit = function(event, data) {
+        try {
+            this.$worker.postMessage({event: event, data: {data: data.data}});
+        }
+        catch(ex) {
+            console.error(ex.stack);
+        }
+    };
+
+    this.attachToDocument = function(doc) {
+        if(this.$doc)
+            this.terminate();
+
+        this.$doc = doc;
+        this.call("setValue", [doc.getValue()]);
+        doc.on("change", this.changeListener);
+    };
+
+    this.changeListener = function(e) {
+        if (!this.deltaQueue) {
+            this.deltaQueue = [e.data];
+            setTimeout(this.$sendDeltaQueue, 0);
+        } else
+            this.deltaQueue.push(e.data);
+    };
+
+    this.$sendDeltaQueue = function() {
+        var q = this.deltaQueue;
+        if (!q) return;
+        this.deltaQueue = null;
+        if (q.length > 20 && q.length > this.$doc.getLength() >> 1) {
+            this.call("setValue", [this.$doc.getValue()]);
+        } else
+            this.emit("change", {data: q});
+    };
+
+    this.$workerBlob = function(workerUrl) {
+        var script = "importScripts('" + net.qualifyURL(workerUrl) + "');";
+        try {
+            return new Blob([script], {"type": "application/javascript"});
+        } catch (e) { // Backwards-compatibility
+            var BlobBuilder = window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder;
+            var blobBuilder = new BlobBuilder();
+            blobBuilder.append(script);
+            return blobBuilder.getBlob("application/javascript");
+        }
+    };
+
+}).call(WorkerClient.prototype);
+
+
+var UIWorkerClient = function(topLevelNamespaces, mod, classname) {
+    this.$sendDeltaQueue = this.$sendDeltaQueue.bind(this);
+    this.changeListener = this.changeListener.bind(this);
+    this.callbackId = 1;
+    this.callbacks = {};
+    this.messageBuffer = [];
+
+    var main = null;
+    var emitSync = false;
+    var sender = Object.create(EventEmitter);
+    var _self = this;
+
+    this.$worker = {};
+    this.$worker.terminate = function() {};
+    this.$worker.postMessage = function(e) {
+        _self.messageBuffer.push(e);
+        if (main) {
+            if (emitSync)
+                setTimeout(processNext);
+            else
+                processNext();
+        }
+    };
+    this.setEmitSync = function(val) { emitSync = val };
+
+    var processNext = function() {
+        var msg = _self.messageBuffer.shift();
+        if (msg.command)
+            main[msg.command].apply(main, msg.args);
+        else if (msg.event)
+            sender._signal(msg.event, msg.data);
+    };
+
+    sender.postMessage = function(msg) {
+        _self.onMessage({data: msg});
+    };
+    sender.callback = function(data, callbackId) {
+        this.postMessage({type: "call", id: callbackId, data: data});
+    };
+    sender.emit = function(name, data) {
+        this.postMessage({type: "event", name: name, data: data});
+    };
+
+    config.loadModule(["worker", mod], function(Main) {
+        main = new Main[classname](sender);
+        while (_self.messageBuffer.length)
+            processNext();
+    });
+};
+
+UIWorkerClient.prototype = WorkerClient.prototype;
+
+exports.UIWorkerClient = UIWorkerClient;
+exports.WorkerClient = WorkerClient;
+
+});
+
+define("ace/placeholder",["require","exports","module","ace/range","ace/lib/event_emitter","ace/lib/oop"], function(require, exports, module) {
+"use strict";
+
+var Range = require("./range").Range;
+var EventEmitter = require("./lib/event_emitter").EventEmitter;
+var oop = require("./lib/oop");
+
+var PlaceHolder = function(session, length, pos, others, mainClass, othersClass) {
+    var _self = this;
+    this.length = length;
+    this.session = session;
+    this.doc = session.getDocument();
+    this.mainClass = mainClass;
+    this.othersClass = othersClass;
+    this.$onUpdate = this.onUpdate.bind(this);
+    this.doc.on("change", this.$onUpdate);
+    this.$others = others;
+
+    this.$onCursorChange = function() {
+        setTimeout(function() {
+            _self.onCursorChange();
+        });
+    };
+
+    this.$pos = pos;
+    var undoStack = session.getUndoManager().$undoStack || session.getUndoManager().$undostack || {length: -1};
+    this.$undoStackDepth =  undoStack.length;
+    this.setup();
+
+    session.selection.on("changeCursor", this.$onCursorChange);
+};
+
+(function() {
+
+    oop.implement(this, EventEmitter);
+    this.setup = function() {
+        var _self = this;
+        var doc = this.doc;
+        var session = this.session;
+        var pos = this.$pos;
+
+        this.selectionBefore = session.selection.toJSON();
+        if (session.selection.inMultiSelectMode)
+            session.selection.toSingleRange();
+
+        this.pos = doc.createAnchor(pos.row, pos.column);
+        this.markerId = session.addMarker(new Range(pos.row, pos.column, pos.row, pos.column + this.length), this.mainClass, null, false);
+        this.pos.on("change", function(event) {
+            session.removeMarker(_self.markerId);
+            _self.markerId = session.addMarker(new Range(event.value.row, event.value.column, event.value.row, event.value.column+_self.length), _self.mainClass, null, false);
+        });
+        this.others = [];
+        this.$others.forEach(function(other) {
+            var anchor = doc.createAnchor(other.row, other.column);
+            _self.others.push(anchor);
+        });
+        session.setUndoSelect(false);
+    };
+    this.showOtherMarkers = function() {
+        if(this.othersActive) return;
+        var session = this.session;
+        var _self = this;
+        this.othersActive = true;
+        this.others.forEach(function(anchor) {
+            anchor.markerId = session.addMarker(new Range(anchor.row, anchor.column, anchor.row, anchor.column+_self.length), _self.othersClass, null, false);
+            anchor.on("change", function(event) {
+                session.removeMarker(anchor.markerId);
+                anchor.markerId = session.addMarker(new Range(event.value.row, event.value.column, event.value.row, event.value.column+_self.length), _self.othersClass, null, false);
+            });
+        });
+    };
+    this.hideOtherMarkers = function() {
+        if(!this.othersActive) return;
+        this.othersActive = false;
+        for (var i = 0; i < this.others.length; i++) {
+            this.session.removeMarker(this.others[i].markerId);
+        }
+    };
+    this.onUpdate = function(event) {
+        var delta = event.data;
+        var range = delta.range;
+        if(range.start.row !== range.end.row) return;
+        if(range.start.row !== this.pos.row) return;
+        if (this.$updating) return;
+        this.$updating = true;
+        var lengthDiff = delta.action === "insertText" ? range.end.column - range.start.column : range.start.column - range.end.column;
+
+        if(range.start.column >= this.pos.column && range.start.column <= this.pos.column + this.length + 1) {
+            var distanceFromStart = range.start.column - this.pos.column;
+            this.length += lengthDiff;
+            if(!this.session.$fromUndo) {
+                if(delta.action === "insertText") {
+                    for (var i = this.others.length - 1; i >= 0; i--) {
+                        var otherPos = this.others[i];
+                        var newPos = {row: otherPos.row, column: otherPos.column + distanceFromStart};
+                        if(otherPos.row === range.start.row && range.start.column < otherPos.column)
+                            newPos.column += lengthDiff;
+                        this.doc.insert(newPos, delta.text);
+                    }
+                } else if(delta.action === "removeText") {
+                    for (var i = this.others.length - 1; i >= 0; i--) {
+                        var otherPos = this.others[i];
+                        var newPos = {row: otherPos.row, column: otherPos.column + distanceFromStart};
+                        if(otherPos.row === range.start.row && range.start.column < otherPos.column)
+                            newPos.column += lengthDiff;
+                        this.doc.remove(new Range(newPos.row, newPos.column, newPos.row, newPos.column - lengthDiff));
+                    }
+                }
+                if(range.start.column === this.pos.column && delta.action === "insertText") {
+                    setTimeout(function() {
+                        this.pos.setPosition(this.pos.row, this.pos.column - lengthDiff);
+                        for (var i = 0; i < this.others.length; i++) {
+                            var other = this.others[i];
+                            var newPos = {row: other.row, column: other.column - lengthDiff};
+                            if(other.row === range.start.row && range.start.column < other.column)
+                                newPos.column += lengthDiff;
+                            other.setPosition(newPos.row, newPos.column);
+                        }
+                    }.bind(this), 0);
+                }
+                else if(range.start.column === this.pos.column && delta.action === "removeText") {
+                    setTimeout(function() {
+                        for (var i = 0; i < this.others.length; i++) {
+                            var other = this.others[i];
+                            if(other.row === range.start.row && range.start.column < other.column) {
+                                other.setPosition(other.row, other.column - lengthDiff);
+                            }
+                        }
+                    }.bind(this), 0);
+                }
+            }
+            this.pos._emit("change", {value: this.pos});
+            for (var i = 0; i < this.others.length; i++) {
+                this.others[i]._emit("change", {value: this.others[i]});
+            }
+        }
+        this.$updating = false;
+    };
+
+    this.onCursorChange = function(event) {
+        if (this.$updating || !this.session) return;
+        var pos = this.session.selection.getCursor();
+        if (pos.row === this.pos.row && pos.column >= this.pos.column && pos.column <= this.pos.column + this.length) {
+            this.showOtherMarkers();
+            this._emit("cursorEnter", event);
+        } else {
+            this.hideOtherMarkers();
+            this._emit("cursorLeave", event);
+        }
+    };
+    this.detach = function() {
+        this.session.removeMarker(this.markerId);
+        this.hideOtherMarkers();
+        this.doc.removeEventListener("change", this.$onUpdate);
+        this.session.selection.removeEventListener("changeCursor", this.$onCursorChange);
+        this.pos.detach();
+        for (var i = 0; i < this.others.length; i++) {
+            this.others[i].detach();
+        }
+        this.session.setUndoSelect(true);
+        this.session = null;
+    };
+    this.cancel = function() {
+        if(this.$undoStackDepth === -1)
+            throw Error("Canceling placeholders only supported with undo manager attached to session.");
+        var undoManager = this.session.getUndoManager();
+        var undosRequired = (undoManager.$undoStack || undoManager.$undostack).length - this.$undoStackDepth;
+        for (var i = 0; i < undosRequired; i++) {
+            undoManager.undo(true);
+        }
+        if (this.selectionBefore)
+            this.session.selection.fromJSON(this.selectionBefore);
+    };
+}).call(PlaceHolder.prototype);
+
+
+exports.PlaceHolder = PlaceHolder;
+});
+
+define("ace/mouse/multi_select_handler",["require","exports","module","ace/lib/event","ace/lib/useragent"], function(require, exports, module) {
+
+var event = require("../lib/event");
+var useragent = require("../lib/useragent");
+function isSamePoint(p1, p2) {
+    return p1.row == p2.row && p1.column == p2.column;
+}
+
+function onMouseDown(e) {
+    var ev = e.domEvent;
+    var alt = ev.altKey;
+    var shift = ev.shiftKey;
+    var ctrl = ev.ctrlKey;
+    var accel = e.getAccelKey();
+    var button = e.getButton();
+
+    if (ctrl && useragent.isMac)
+        button = ev.button;
+
+    if (e.editor.inMultiSelectMode && button == 2) {
+        e.editor.textInput.onContextMenu(e.domEvent);
+        return;
+    }
+
+    if (!ctrl && !alt && !accel) {
+        if (button === 0 && e.editor.inMultiSelectMode)
+            e.editor.exitMultiSelectMode();
+        return;
+    }
+
+    if (button !== 0)
+        return;
+
+    var editor = e.editor;
+    var selection = editor.selection;
+    var isMultiSelect = editor.inMultiSelectMode;
+    var pos = e.getDocumentPosition();
+    var cursor = selection.getCursor();
+    var inSelection = e.inSelection() || (selection.isEmpty() && isSamePoint(pos, cursor));
+
+    var mouseX = e.x, mouseY = e.y;
+    var onMouseSelection = function(e) {
+        mouseX = e.clientX;
+        mouseY = e.clientY;
+    };
+
+    var session = editor.session;
+    var screenAnchor = editor.renderer.pixelToScreenCoordinates(mouseX, mouseY);
+    var screenCursor = screenAnchor;
+
+    var selectionMode;
+    if (editor.$mouseHandler.$enableJumpToDef) {
+        if (ctrl && alt || accel && alt)
+            selectionMode = "add";
+        else if (alt)
+            selectionMode = "block";
+    } else {
+        if (accel && !alt) {
+            selectionMode = "add";
+            if (!isMultiSelect && shift)
+                return;
+        } else if (alt) {
+            selectionMode = "block";
+        }
+    }
+
+    if (selectionMode && useragent.isMac && ev.ctrlKey) {
+        editor.$mouseHandler.cancelContextMenu();
+    }
+
+    if (selectionMode == "add") {
+        if (!isMultiSelect && inSelection)
+            return; // dragging
+
+        if (!isMultiSelect) {
+            var range = selection.toOrientedRange();
+            editor.addSelectionMarker(range);
+        }
+
+        var oldRange = selection.rangeList.rangeAtPoint(pos);
+
+
+        editor.$blockScrolling++;
+        editor.inVirtualSelectionMode = true;
+
+        if (shift) {
+            oldRange = null;
+            range = selection.ranges[0];
+            editor.removeSelectionMarker(range);
+        }
+        editor.once("mouseup", function() {
+            var tmpSel = selection.toOrientedRange();
+
+            if (oldRange && tmpSel.isEmpty() && isSamePoint(oldRange.cursor, tmpSel.cursor))
+                selection.substractPoint(tmpSel.cursor);
+            else {
+                if (shift) {
+                    selection.substractPoint(range.cursor);
+                } else if (range) {
+                    editor.removeSelectionMarker(range);
+                    selection.addRange(range);
+                }
+                selection.addRange(tmpSel);
+            }
+            editor.$blockScrolling--;
+            editor.inVirtualSelectionMode = false;
+        });
+
+    } else if (selectionMode == "block") {
+        e.stop();
+        editor.inVirtualSelectionMode = true;
+        var initialRange;
+        var rectSel = [];
+        var blockSelect = function() {
+            var newCursor = editor.renderer.pixelToScreenCoordinates(mouseX, mouseY);
+            var cursor = session.screenToDocumentPosition(newCursor.row, newCursor.column);
+
+            if (isSamePoint(screenCursor, newCursor) && isSamePoint(cursor, selection.lead))
+                return;
+            screenCursor = newCursor;
+
+            editor.$blockScrolling++;
+            editor.selection.moveToPosition(cursor);
+            editor.renderer.scrollCursorIntoView();
+
+            editor.removeSelectionMarkers(rectSel);
+            rectSel = selection.rectangularRangeBlock(screenCursor, screenAnchor);
+            if (editor.$mouseHandler.$clickSelection && rectSel.length == 1 && rectSel[0].isEmpty())
+                rectSel[0] = editor.$mouseHandler.$clickSelection.clone();
+            rectSel.forEach(editor.addSelectionMarker, editor);
+            editor.updateSelectionMarkers();
+            editor.$blockScrolling--;
+        };
+        editor.$blockScrolling++;
+        if (isMultiSelect && !accel) {
+            selection.toSingleRange();
+        } else if (!isMultiSelect && accel) {
+            initialRange = selection.toOrientedRange();
+            editor.addSelectionMarker(initialRange);
+        }
+
+        if (shift)
+            screenAnchor = session.documentToScreenPosition(selection.lead);
+        else
+            selection.moveToPosition(pos);
+        editor.$blockScrolling--;
+
+        screenCursor = {row: -1, column: -1};
+
+        var onMouseSelectionEnd = function(e) {
+            clearInterval(timerId);
+            editor.removeSelectionMarkers(rectSel);
+            if (!rectSel.length)
+                rectSel = [selection.toOrientedRange()];
+            editor.$blockScrolling++;
+            if (initialRange) {
+                editor.removeSelectionMarker(initialRange);
+                selection.toSingleRange(initialRange);
+            }
+            for (var i = 0; i < rectSel.length; i++)
+                selection.addRange(rectSel[i]);
+            editor.inVirtualSelectionMode = false;
+            editor.$mouseHandler.$clickSelection = null;
+            editor.$blockScrolling--;
+        };
+
+        var onSelectionInterval = blockSelect;
+
+        event.capture(editor.container, onMouseSelection, onMouseSelectionEnd);
+        var timerId = setInterval(function() {onSelectionInterval();}, 20);
+
+        return e.preventDefault();
+    }
+}
+
+
+exports.onMouseDown = onMouseDown;
+
+});
+
+define("ace/commands/multi_select_commands",["require","exports","module","ace/keyboard/hash_handler"], function(require, exports, module) {
+exports.defaultCommands = [{
+    name: "addCursorAbove",
+    exec: function(editor) { editor.selectMoreLines(-1); },
+    bindKey: {win: "Ctrl-Alt-Up", mac: "Ctrl-Alt-Up"},
+    scrollIntoView: "cursor",
+    readonly: true
+}, {
+    name: "addCursorBelow",
+    exec: function(editor) { editor.selectMoreLines(1); },
+    bindKey: {win: "Ctrl-Alt-Down", mac: "Ctrl-Alt-Down"},
+    scrollIntoView: "cursor",
+    readonly: true
+}, {
+    name: "addCursorAboveSkipCurrent",
+    exec: function(editor) { editor.selectMoreLines(-1, true); },
+    bindKey: {win: "Ctrl-Alt-Shift-Up", mac: "Ctrl-Alt-Shift-Up"},
+    scrollIntoView: "cursor",
+    readonly: true
+}, {
+    name: "addCursorBelowSkipCurrent",
+    exec: function(editor) { editor.selectMoreLines(1, true); },
+    bindKey: {win: "Ctrl-Alt-Shift-Down", mac: "Ctrl-Alt-Shift-Down"},
+    scrollIntoView: "cursor",
+    readonly: true
+}, {
+    name: "selectMoreBefore",
+    exec: function(editor) { editor.selectMore(-1); },
+    bindKey: {win: "Ctrl-Alt-Left", mac: "Ctrl-Alt-Left"},
+    scrollIntoView: "cursor",
+    readonly: true
+}, {
+    name: "selectMoreAfter",
+    exec: function(editor) { editor.selectMore(1); },
+    bindKey: {win: "Ctrl-Alt-Right", mac: "Ctrl-Alt-Right"},
+    scrollIntoView: "cursor",
+    readonly: true
+}, {
+    name: "selectNextBefore",
+    exec: function(editor) { editor.selectMore(-1, true); },
+    bindKey: {win: "Ctrl-Alt-Shift-Left", mac: "Ctrl-Alt-Shift-Left"},
+    scrollIntoView: "cursor",
+    readonly: true
+}, {
+    name: "selectNextAfter",
+    exec: function(editor) { editor.selectMore(1, true); },
+    bindKey: {win: "Ctrl-Alt-Shift-Right", mac: "Ctrl-Alt-Shift-Right"},
+    scrollIntoView: "cursor",
+    readonly: true
+}, {
+    name: "splitIntoLines",
+    exec: function(editor) { editor.multiSelect.splitIntoLines(); },
+    bindKey: {win: "Ctrl-Alt-L", mac: "Ctrl-Alt-L"},
+    readonly: true
+}, {
+    name: "alignCursors",
+    exec: function(editor) { editor.alignCursors(); },
+    bindKey: {win: "Ctrl-Alt-A", mac: "Ctrl-Alt-A"},
+    scrollIntoView: "cursor"
+}, {
+    name: "findAll",
+    exec: function(editor) { editor.findAll(); },
+    bindKey: {win: "Ctrl-Alt-K", mac: "Ctrl-Alt-G"},
+    scrollIntoView: "cursor",
+    readonly: true
+}];
+exports.multiSelectCommands = [{
+    name: "singleSelection",
+    bindKey: "esc",
+    exec: function(editor) { editor.exitMultiSelectMode(); },
+    scrollIntoView: "cursor",
+    readonly: true,
+    isAvailable: function(editor) {return editor && editor.inMultiSelectMode}
+}];
+
+var HashHandler = require("../keyboard/hash_handler").HashHandler;
+exports.keyboardHandler = new HashHandler(exports.multiSelectCommands);
+
+});
+
+define("ace/multi_select",["require","exports","module","ace/range_list","ace/range","ace/selection","ace/mouse/multi_select_handler","ace/lib/event","ace/lib/lang","ace/commands/multi_select_commands","ace/search","ace/edit_session","ace/editor","ace/config"], function(require, exports, module) {
+
+var RangeList = require("./range_list").RangeList;
+var Range = require("./range").Range;
+var Selection = require("./selection").Selection;
+var onMouseDown = require("./mouse/multi_select_handler").onMouseDown;
+var event = require("./lib/event");
+var lang = require("./lib/lang");
+var commands = require("./commands/multi_select_commands");
+exports.commands = commands.defaultCommands.concat(commands.multiSelectCommands);
+var Search = require("./search").Search;
+var search = new Search();
+
+function find(session, needle, dir) {
+    search.$options.wrap = true;
+    search.$options.needle = needle;
+    search.$options.backwards = dir == -1;
+    return search.find(session);
+}
+var EditSession = require("./edit_session").EditSession;
+(function() {
+    this.getSelectionMarkers = function() {
+        return this.$selectionMarkers;
+    };
+}).call(EditSession.prototype);
+(function() {
+    this.ranges = null;
+    this.rangeList = null;
+    this.addRange = function(range, $blockChangeEvents) {
+        if (!range)
+            return;
+
+        if (!this.inMultiSelectMode && this.rangeCount === 0) {
+            var oldRange = this.toOrientedRange();
+            this.rangeList.add(oldRange);
+            this.rangeList.add(range);
+            if (this.rangeList.ranges.length != 2) {
+                this.rangeList.removeAll();
+                return $blockChangeEvents || this.fromOrientedRange(range);
+            }
+            this.rangeList.removeAll();
+            this.rangeList.add(oldRange);
+            this.$onAddRange(oldRange);
+        }
+
+        if (!range.cursor)
+            range.cursor = range.end;
+
+        var removed = this.rangeList.add(range);
+
+        this.$onAddRange(range);
+
+        if (removed.length)
+            this.$onRemoveRange(removed);
+
+        if (this.rangeCount > 1 && !this.inMultiSelectMode) {
+            this._signal("multiSelect");
+            this.inMultiSelectMode = true;
+            this.session.$undoSelect = false;
+            this.rangeList.attach(this.session);
+        }
+
+        return $blockChangeEvents || this.fromOrientedRange(range);
+    };
+
+    this.toSingleRange = function(range) {
+        range = range || this.ranges[0];
+        var removed = this.rangeList.removeAll();
+        if (removed.length)
+            this.$onRemoveRange(removed);
+
+        range && this.fromOrientedRange(range);
+    };
+    this.substractPoint = function(pos) {
+        var removed = this.rangeList.substractPoint(pos);
+        if (removed) {
+            this.$onRemoveRange(removed);
+            return removed[0];
+        }
+    };
+    this.mergeOverlappingRanges = function() {
+        var removed = this.rangeList.merge();
+        if (removed.length)
+            this.$onRemoveRange(removed);
+        else if(this.ranges[0])
+            this.fromOrientedRange(this.ranges[0]);
+    };
+
+    this.$onAddRange = function(range) {
+        this.rangeCount = this.rangeList.ranges.length;
+        this.ranges.unshift(range);
+        this._signal("addRange", {range: range});
+    };
+
+    this.$onRemoveRange = function(removed) {
+        this.rangeCount = this.rangeList.ranges.length;
+        if (this.rangeCount == 1 && this.inMultiSelectMode) {
+            var lastRange = this.rangeList.ranges.pop();
+            removed.push(lastRange);
+            this.rangeCount = 0;
+        }
+
+        for (var i = removed.length; i--; ) {
+            var index = this.ranges.indexOf(removed[i]);
+            this.ranges.splice(index, 1);
+        }
+
+        this._signal("removeRange", {ranges: removed});
+
+        if (this.rangeCount === 0 && this.inMultiSelectMode) {
+            this.inMultiSelectMode = false;
+            this._signal("singleSelect");
+            this.session.$undoSelect = true;
+            this.rangeList.detach(this.session);
+        }
+
+        lastRange = lastRange || this.ranges[0];
+        if (lastRange && !lastRange.isEqual(this.getRange()))
+            this.fromOrientedRange(lastRange);
+    };
+    this.$initRangeList = function() {
+        if (this.rangeList)
+            return;
+
+        this.rangeList = new RangeList();
+        this.ranges = [];
+        this.rangeCount = 0;
+    };
+    this.getAllRanges = function() {
+        return this.rangeCount ? this.rangeList.ranges.concat() : [this.getRange()];
+    };
+
+    this.splitIntoLines = function () {
+        if (this.rangeCount > 1) {
+            var ranges = this.rangeList.ranges;
+            var lastRange = ranges[ranges.length - 1];
+            var range = Range.fromPoints(ranges[0].start, lastRange.end);
+
+            this.toSingleRange();
+            this.setSelectionRange(range, lastRange.cursor == lastRange.start);
+        } else {
+            var range = this.getRange();
+            var isBackwards = this.isBackwards();
+            var startRow = range.start.row;
+            var endRow = range.end.row;
+            if (startRow == endRow) {
+                if (isBackwards)
+                    var start = range.end, end = range.start;
+                else
+                    var start = range.start, end = range.end;
+
+                this.addRange(Range.fromPoints(end, end));
+                this.addRange(Range.fromPoints(start, start));
+                return;
+            }
+
+            var rectSel = [];
+            var r = this.getLineRange(startRow, true);
+            r.start.column = range.start.column;
+            rectSel.push(r);
+
+            for (var i = startRow + 1; i < endRow; i++)
+                rectSel.push(this.getLineRange(i, true));
+
+            r = this.getLineRange(endRow, true);
+            r.end.column = range.end.column;
+            rectSel.push(r);
+
+            rectSel.forEach(this.addRange, this);
+        }
+    };
+    this.toggleBlockSelection = function () {
+        if (this.rangeCount > 1) {
+            var ranges = this.rangeList.ranges;
+            var lastRange = ranges[ranges.length - 1];
+            var range = Range.fromPoints(ranges[0].start, lastRange.end);
+
+            this.toSingleRange();
+            this.setSelectionRange(range, lastRange.cursor == lastRange.start);
+        } else {
+            var cursor = this.session.documentToScreenPosition(this.selectionLead);
+            var anchor = this.session.documentToScreenPosition(this.selectionAnchor);
+
+            var rectSel = this.rectangularRangeBlock(cursor, anchor);
+            rectSel.forEach(this.addRange, this);
+        }
+    };
+    this.rectangularRangeBlock = function(screenCursor, screenAnchor, includeEmptyLines) {
+        var rectSel = [];
+
+        var xBackwards = screenCursor.column < screenAnchor.column;
+        if (xBackwards) {
+            var startColumn = screenCursor.column;
+            var endColumn = screenAnchor.column;
+        } else {
+            var startColumn = screenAnchor.column;
+            var endColumn = screenCursor.column;
+        }
+
+        var yBackwards = screenCursor.row < screenAnchor.row;
+        if (yBackwards) {
+            var startRow = screenCursor.row;
+            var endRow = screenAnchor.row;
+        } else {
+            var startRow = screenAnchor.row;
+            var endRow = screenCursor.row;
+        }
+
+        if (startColumn < 0)
+            startColumn = 0;
+        if (startRow < 0)
+            startRow = 0;
+
+        if (startRow == endRow)
+            includeEmptyLines = true;
+
+        for (var row = startRow; row <= endRow; row++) {
+            var range = Range.fromPoints(
+                this.session.screenToDocumentPosition(row, startColumn),
+                this.session.screenToDocumentPosition(row, endColumn)
+            );
+            if (range.isEmpty()) {
+                if (docEnd && isSamePoint(range.end, docEnd))
+                    break;
+                var docEnd = range.end;
+            }
+            range.cursor = xBackwards ? range.start : range.end;
+            rectSel.push(range);
+        }
+
+        if (yBackwards)
+            rectSel.reverse();
+
+        if (!includeEmptyLines) {
+            var end = rectSel.length - 1;
+            while (rectSel[end].isEmpty() && end > 0)
+                end--;
+            if (end > 0) {
+                var start = 0;
+                while (rectSel[start].isEmpty())
+                    start++;
+            }
+            for (var i = end; i >= start; i--) {
+                if (rectSel[i].isEmpty())
+                    rectSel.splice(i, 1);
+            }
+        }
+
+        return rectSel;
+    };
+}).call(Selection.prototype);
+var Editor = require("./editor").Editor;
+(function() {
+    this.updateSelectionMarkers = function() {
+        this.renderer.updateCursor();
+        this.renderer.updateBackMarkers();
+    };
+    this.addSelectionMarker = function(orientedRange) {
+        if (!orientedRange.cursor)
+            orientedRange.cursor = orientedRange.end;
+
+        var style = this.getSelectionStyle();
+        orientedRange.marker = this.session.addMarker(orientedRange, "ace_selection", style);
+
+        this.session.$selectionMarkers.push(orientedRange);
+        this.session.selectionMarkerCount = this.session.$selectionMarkers.length;
+        return orientedRange;
+    };
+    this.removeSelectionMarker = function(range) {
+        if (!range.marker)
+            return;
+        this.session.removeMarker(range.marker);
+        var index = this.session.$selectionMarkers.indexOf(range);
+        if (index != -1)
+            this.session.$selectionMarkers.splice(index, 1);
+        this.session.selectionMarkerCount = this.session.$selectionMarkers.length;
+    };
+
+    this.removeSelectionMarkers = function(ranges) {
+        var markerList = this.session.$selectionMarkers;
+        for (var i = ranges.length; i--; ) {
+            var range = ranges[i];
+            if (!range.marker)
+                continue;
+            this.session.removeMarker(range.marker);
+            var index = markerList.indexOf(range);
+            if (index != -1)
+                markerList.splice(index, 1);
+        }
+        this.session.selectionMarkerCount = markerList.length;
+    };
+
+    this.$onAddRange = function(e) {
+        this.addSelectionMarker(e.range);
+        this.renderer.updateCursor();
+        this.renderer.updateBackMarkers();
+    };
+
+    this.$onRemoveRange = function(e) {
+        this.removeSelectionMarkers(e.ranges);
+        this.renderer.updateCursor();
+        this.renderer.updateBackMarkers();
+    };
+
+    this.$onMultiSelect = function(e) {
+        if (this.inMultiSelectMode)
+            return;
+        this.inMultiSelectMode = true;
+
+        this.setStyle("ace_multiselect");
+        this.keyBinding.addKeyboardHandler(commands.keyboardHandler);
+        this.commands.setDefaultHandler("exec", this.$onMultiSelectExec);
+
+        this.renderer.updateCursor();
+        this.renderer.updateBackMarkers();
+    };
+
+    this.$onSingleSelect = function(e) {
+        if (this.session.multiSelect.inVirtualMode)
+            return;
+        this.inMultiSelectMode = false;
+
+        this.unsetStyle("ace_multiselect");
+        this.keyBinding.removeKeyboardHandler(commands.keyboardHandler);
+
+        this.commands.removeDefaultHandler("exec", this.$onMultiSelectExec);
+        this.renderer.updateCursor();
+        this.renderer.updateBackMarkers();
+        this._emit("changeSelection");
+    };
+
+    this.$onMultiSelectExec = function(e) {
+        var command = e.command;
+        var editor = e.editor;
+        if (!editor.multiSelect)
+            return;
+        if (!command.multiSelectAction) {
+            var result = command.exec(editor, e.args || {});
+            editor.multiSelect.addRange(editor.multiSelect.toOrientedRange());
+            editor.multiSelect.mergeOverlappingRanges();
+        } else if (command.multiSelectAction == "forEach") {
+            result = editor.forEachSelection(command, e.args);
+        } else if (command.multiSelectAction == "forEachLine") {
+            result = editor.forEachSelection(command, e.args, true);
+        } else if (command.multiSelectAction == "single") {
+            editor.exitMultiSelectMode();
+            result = command.exec(editor, e.args || {});
+        } else {
+            result = command.multiSelectAction(editor, e.args || {});
+        }
+        return result;
+    };
+    this.forEachSelection = function(cmd, args, options) {
+        if (this.inVirtualSelectionMode)
+            return;
+        var keepOrder = options && options.keepOrder;
+        var $byLines = options == true || options && options.$byLines
+        var session = this.session;
+        var selection = this.selection;
+        var rangeList = selection.rangeList;
+        var ranges = (keepOrder ? selection : rangeList).ranges;
+        var result;
+
+        if (!ranges.length)
+            return cmd.exec ? cmd.exec(this, args || {}) : cmd(this, args || {});
+
+        var reg = selection._eventRegistry;
+        selection._eventRegistry = {};
+
+        var tmpSel = new Selection(session);
+        this.inVirtualSelectionMode = true;
+        for (var i = ranges.length; i--;) {
+            if ($byLines) {
+                while (i > 0 && ranges[i].start.row == ranges[i - 1].end.row)
+                    i--;
+            }
+            tmpSel.fromOrientedRange(ranges[i]);
+            tmpSel.index = i;
+            this.selection = session.selection = tmpSel;
+            var cmdResult = cmd.exec ? cmd.exec(this, args || {}) : cmd(this, args || {});
+            if (!result && cmdResult !== undefined)
+                result = cmdResult;
+            tmpSel.toOrientedRange(ranges[i]);
+        }
+        tmpSel.detach();
+
+        this.selection = session.selection = selection;
+        this.inVirtualSelectionMode = false;
+        selection._eventRegistry = reg;
+        selection.mergeOverlappingRanges();
+
+        var anim = this.renderer.$scrollAnimation;
+        this.onCursorChange();
+        this.onSelectionChange();
+        if (anim && anim.from == anim.to)
+            this.renderer.animateScrolling(anim.from);
+
+        return result;
+    };
+    this.exitMultiSelectMode = function() {
+        if (!this.inMultiSelectMode || this.inVirtualSelectionMode)
+            return;
+        this.multiSelect.toSingleRange();
+    };
+
+    this.getSelectedText = function() {
+        var text = "";
+        if (this.inMultiSelectMode && !this.inVirtualSelectionMode) {
+            var ranges = this.multiSelect.rangeList.ranges;
+            var buf = [];
+            for (var i = 0; i < ranges.length; i++) {
+                buf.push(this.session.getTextRange(ranges[i]));
+            }
+            var nl = this.session.getDocument().getNewLineCharacter();
+            text = buf.join(nl);
+            if (text.length == (buf.length - 1) * nl.length)
+                text = "";
+        } else if (!this.selection.isEmpty()) {
+            text = this.session.getTextRange(this.getSelectionRange());
+        }
+        return text;
+    };
+
+    this.$checkMultiselectChange = function(e, anchor) {
+        if (this.inMultiSelectMode && !this.inVirtualSelectionMode) {
+            var range = this.multiSelect.ranges[0];
+            if (this.multiSelect.isEmpty() && anchor == this.multiSelect.anchor)
+                return;
+            var pos = anchor == this.multiSelect.anchor
+                ? range.cursor == range.start ? range.end : range.start
+                : range.cursor;
+            if (pos.row != anchor.row
+                || this.session.$clipPositionToDocument(pos.row, pos.column).column != anchor.column)
+                this.multiSelect.toSingleRange(this.multiSelect.toOrientedRange());
+        }
+    };
+    this.findAll = function(needle, options, additive) {
+        options = options || {};
+        options.needle = needle || options.needle;
+        if (options.needle == undefined) {
+            var range = this.selection.isEmpty()
+                ? this.selection.getWordRange()
+                : this.selection.getRange();
+            options.needle = this.session.getTextRange(range);
+        }
+        this.$search.set(options);
+
+        var ranges = this.$search.findAll(this.session);
+        if (!ranges.length)
+            return 0;
+
+        this.$blockScrolling += 1;
+        var selection = this.multiSelect;
+
+        if (!additive)
+            selection.toSingleRange(ranges[0]);
+
+        for (var i = ranges.length; i--; )
+            selection.addRange(ranges[i], true);
+        if (range && selection.rangeList.rangeAtPoint(range.start))
+            selection.addRange(range, true);
+
+        this.$blockScrolling -= 1;
+
+        return ranges.length;
+    };
+    this.selectMoreLines = function(dir, skip) {
+        var range = this.selection.toOrientedRange();
+        var isBackwards = range.cursor == range.end;
+
+        var screenLead = this.session.documentToScreenPosition(range.cursor);
+        if (this.selection.$desiredColumn)
+            screenLead.column = this.selection.$desiredColumn;
+
+        var lead = this.session.screenToDocumentPosition(screenLead.row + dir, screenLead.column);
+
+        if (!range.isEmpty()) {
+            var screenAnchor = this.session.documentToScreenPosition(isBackwards ? range.end : range.start);
+            var anchor = this.session.screenToDocumentPosition(screenAnchor.row + dir, screenAnchor.column);
+        } else {
+            var anchor = lead;
+        }
+
+        if (isBackwards) {
+            var newRange = Range.fromPoints(lead, anchor);
+            newRange.cursor = newRange.start;
+        } else {
+            var newRange = Range.fromPoints(anchor, lead);
+            newRange.cursor = newRange.end;
+        }
+
+        newRange.desiredColumn = screenLead.column;
+        if (!this.selection.inMultiSelectMode) {
+            this.selection.addRange(range);
+        } else {
+            if (skip)
+                var toRemove = range.cursor;
+        }
+
+        this.selection.addRange(newRange);
+        if (toRemove)
+            this.selection.substractPoint(toRemove);
+    };
+    this.transposeSelections = function(dir) {
+        var session = this.session;
+        var sel = session.multiSelect;
+        var all = sel.ranges;
+
+        for (var i = all.length; i--; ) {
+            var range = all[i];
+            if (range.isEmpty()) {
+                var tmp = session.getWordRange(range.start.row, range.start.column);
+                range.start.row = tmp.start.row;
+                range.start.column = tmp.start.column;
+                range.end.row = tmp.end.row;
+                range.end.column = tmp.end.column;
+            }
+        }
+        sel.mergeOverlappingRanges();
+
+        var words = [];
+        for (var i = all.length; i--; ) {
+            var range = all[i];
+            words.unshift(session.getTextRange(range));
+        }
+
+        if (dir < 0)
+            words.unshift(words.pop());
+        else
+            words.push(words.shift());
+
+        for (var i = all.length; i--; ) {
+            var range = all[i];
+            var tmp = range.clone();
+            session.replace(range, words[i]);
+            range.start.row = tmp.start.row;
+            range.start.column = tmp.start.column;
+        }
+    };
+    this.selectMore = function(dir, skip, stopAtFirst) {
+        var session = this.session;
+        var sel = session.multiSelect;
+
+        var range = sel.toOrientedRange();
+        if (range.isEmpty()) {
+            range = session.getWordRange(range.start.row, range.start.column);
+            range.cursor = dir == -1 ? range.start : range.end;
+            this.multiSelect.addRange(range);
+            if (stopAtFirst)
+                return;
+        }
+        var needle = session.getTextRange(range);
+
+        var newRange = find(session, needle, dir);
+        if (newRange) {
+            newRange.cursor = dir == -1 ? newRange.start : newRange.end;
+            this.$blockScrolling += 1;
+            this.session.unfold(newRange);
+            this.multiSelect.addRange(newRange);
+            this.$blockScrolling -= 1;
+            this.renderer.scrollCursorIntoView(null, 0.5);
+        }
+        if (skip)
+            this.multiSelect.substractPoint(range.cursor);
+    };
+    this.alignCursors = function() {
+        var session = this.session;
+        var sel = session.multiSelect;
+        var ranges = sel.ranges;
+        var row = -1;
+        var sameRowRanges = ranges.filter(function(r) {
+            if (r.cursor.row == row)
+                return true;
+            row = r.cursor.row;
+        });
+
+        if (!ranges.length || sameRowRanges.length == ranges.length - 1) {
+            var range = this.selection.getRange();
+            var fr = range.start.row, lr = range.end.row;
+            var guessRange = fr == lr;
+            if (guessRange) {
+                var max = this.session.getLength();
+                var line;
+                do {
+                    line = this.session.getLine(lr);
+                } while (/[=:]/.test(line) && ++lr < max);
+                do {
+                    line = this.session.getLine(fr);
+                } while (/[=:]/.test(line) && --fr > 0);
+
+                if (fr < 0) fr = 0;
+                if (lr >= max) lr = max - 1;
+            }
+            var lines = this.session.doc.removeLines(fr, lr);
+            lines = this.$reAlignText(lines, guessRange);
+            this.session.doc.insert({row: fr, column: 0}, lines.join("\n") + "\n");
+            if (!guessRange) {
+                range.start.column = 0;
+                range.end.column = lines[lines.length - 1].length;
+            }
+            this.selection.setRange(range);
+        } else {
+            sameRowRanges.forEach(function(r) {
+                sel.substractPoint(r.cursor);
+            });
+
+            var maxCol = 0;
+            var minSpace = Infinity;
+            var spaceOffsets = ranges.map(function(r) {
+                var p = r.cursor;
+                var line = session.getLine(p.row);
+                var spaceOffset = line.substr(p.column).search(/\S/g);
+                if (spaceOffset == -1)
+                    spaceOffset = 0;
+
+                if (p.column > maxCol)
+                    maxCol = p.column;
+                if (spaceOffset < minSpace)
+                    minSpace = spaceOffset;
+                return spaceOffset;
+            });
+            ranges.forEach(function(r, i) {
+                var p = r.cursor;
+                var l = maxCol - p.column;
+                var d = spaceOffsets[i] - minSpace;
+                if (l > d)
+                    session.insert(p, lang.stringRepeat(" ", l - d));
+                else
+                    session.remove(new Range(p.row, p.column, p.row, p.column - l + d));
+
+                r.start.column = r.end.column = maxCol;
+                r.start.row = r.end.row = p.row;
+                r.cursor = r.end;
+            });
+            sel.fromOrientedRange(ranges[0]);
+            this.renderer.updateCursor();
+            this.renderer.updateBackMarkers();
+        }
+    };
+
+    this.$reAlignText = function(lines, forceLeft) {
+        var isLeftAligned = true, isRightAligned = true;
+        var startW, textW, endW;
+
+        return lines.map(function(line) {
+            var m = line.match(/(\s*)(.*?)(\s*)([=:].*)/);
+            if (!m)
+                return [line];
+
+            if (startW == null) {
+                startW = m[1].length;
+                textW = m[2].length;
+                endW = m[3].length;
+                return m;
+            }
+
+            if (startW + textW + endW != m[1].length + m[2].length + m[3].length)
+                isRightAligned = false;
+            if (startW != m[1].length)
+                isLeftAligned = false;
+
+            if (startW > m[1].length)
+                startW = m[1].length;
+            if (textW < m[2].length)
+                textW = m[2].length;
+            if (endW > m[3].length)
+                endW = m[3].length;
+
+            return m;
+        }).map(forceLeft ? alignLeft :
+            isLeftAligned ? isRightAligned ? alignRight : alignLeft : unAlign);
+
+        function spaces(n) {
+            return lang.stringRepeat(" ", n);
+        }
+
+        function alignLeft(m) {
+            return !m[2] ? m[0] : spaces(startW) + m[2]
+                + spaces(textW - m[2].length + endW)
+                + m[4].replace(/^([=:])\s+/, "$1 ");
+        }
+        function alignRight(m) {
+            return !m[2] ? m[0] : spaces(startW + textW - m[2].length) + m[2]
+                + spaces(endW, " ")
+                + m[4].replace(/^([=:])\s+/, "$1 ");
+        }
+        function unAlign(m) {
+            return !m[2] ? m[0] : spaces(startW) + m[2]
+                + spaces(endW)
+                + m[4].replace(/^([=:])\s+/, "$1 ");
+        }
+    };
+}).call(Editor.prototype);
+
+
+function isSamePoint(p1, p2) {
+    return p1.row == p2.row && p1.column == p2.column;
+}
+exports.onSessionChange = function(e) {
+    var session = e.session;
+    if (session && !session.multiSelect) {
+        session.$selectionMarkers = [];
+        session.selection.$initRangeList();
+        session.multiSelect = session.selection;
+    }
+    this.multiSelect = session && session.multiSelect;
+
+    var oldSession = e.oldSession;
+    if (oldSession) {
+        oldSession.multiSelect.off("addRange", this.$onAddRange);
+        oldSession.multiSelect.off("removeRange", this.$onRemoveRange);
+        oldSession.multiSelect.off("multiSelect", this.$onMultiSelect);
+        oldSession.multiSelect.off("singleSelect", this.$onSingleSelect);
+        oldSession.multiSelect.lead.off("change",  this.$checkMultiselectChange);
+        oldSession.multiSelect.anchor.off("change",  this.$checkMultiselectChange);
+    }
+
+    if (session) {
+        session.multiSelect.on("addRange", this.$onAddRange);
+        session.multiSelect.on("removeRange", this.$onRemoveRange);
+        session.multiSelect.on("multiSelect", this.$onMultiSelect);
+        session.multiSelect.on("singleSelect", this.$onSingleSelect);
+        session.multiSelect.lead.on("change",  this.$checkMultiselectChange);
+        session.multiSelect.anchor.on("change",  this.$checkMultiselectChange);
+    }
+
+    if (session && this.inMultiSelectMode != session.selection.inMultiSelectMode) {
+        if (session.selection.inMultiSelectMode)
+            this.$onMultiSelect();
+        else
+            this.$onSingleSelect();
+    }
+};
+function MultiSelect(editor) {
+    if (editor.$multiselectOnSessionChange)
+        return;
+    editor.$onAddRange = editor.$onAddRange.bind(editor);
+    editor.$onRemoveRange = editor.$onRemoveRange.bind(editor);
+    editor.$onMultiSelect = editor.$onMultiSelect.bind(editor);
+    editor.$onSingleSelect = editor.$onSingleSelect.bind(editor);
+    editor.$multiselectOnSessionChange = exports.onSessionChange.bind(editor);
+    editor.$checkMultiselectChange = editor.$checkMultiselectChange.bind(editor);
+
+    editor.$multiselectOnSessionChange(editor);
+    editor.on("changeSession", editor.$multiselectOnSessionChange);
+
+    editor.on("mousedown", onMouseDown);
+    editor.commands.addCommands(commands.defaultCommands);
+
+    addAltCursorListeners(editor);
+}
+
+function addAltCursorListeners(editor){
+    var el = editor.textInput.getElement();
+    var altCursor = false;
+    event.addListener(el, "keydown", function(e) {
+        if (e.keyCode == 18 && !(e.ctrlKey || e.shiftKey || e.metaKey)) {
+            if (!altCursor) {
+                editor.renderer.setMouseCursor("crosshair");
+                altCursor = true;
+            }
+        } else if (altCursor) {
+            reset();
+        }
+    });
+
+    event.addListener(el, "keyup", reset);
+    event.addListener(el, "blur", reset);
+    function reset(e) {
+        if (altCursor) {
+            editor.renderer.setMouseCursor("");
+            altCursor = false;
+        }
+    }
+}
+
+exports.MultiSelect = MultiSelect;
+
+
+require("./config").defineOptions(Editor.prototype, "editor", {
+    enableMultiselect: {
+        set: function(val) {
+            MultiSelect(this);
+            if (val) {
+                this.on("changeSession", this.$multiselectOnSessionChange);
+                this.on("mousedown", onMouseDown);
+            } else {
+                this.off("changeSession", this.$multiselectOnSessionChange);
+                this.off("mousedown", onMouseDown);
+            }
+        },
+        value: true
+    }
+});
+
+
+
+});
+
+define("ace/mode/folding/fold_mode",["require","exports","module","ace/range"], function(require, exports, module) {
+"use strict";
+
+var Range = require("../../range").Range;
+
+var FoldMode = exports.FoldMode = function() {};
+
+(function() {
+
+    this.foldingStartMarker = null;
+    this.foldingStopMarker = null;
+    this.getFoldWidget = function(session, foldStyle, row) {
+        var line = session.getLine(row);
+        if (this.foldingStartMarker.test(line))
+            return "start";
+        if (foldStyle == "markbeginend"
+                && this.foldingStopMarker
+                && this.foldingStopMarker.test(line))
+            return "end";
+        return "";
+    };
+
+    this.getFoldWidgetRange = function(session, foldStyle, row) {
+        return null;
+    };
+
+    this.indentationBlock = function(session, row, column) {
+        var re = /\S/;
+        var line = session.getLine(row);
+        var startLevel = line.search(re);
+        if (startLevel == -1)
+            return;
+
+        var startColumn = column || line.length;
+        var maxRow = session.getLength();
+        var startRow = row;
+        var endRow = row;
+
+        while (++row < maxRow) {
+            var level = session.getLine(row).search(re);
+
+            if (level == -1)
+                continue;
+
+            if (level <= startLevel)
+                break;
+
+            endRow = row;
+        }
+
+        if (endRow > startRow) {
+            var endColumn = session.getLine(endRow).length;
+            return new Range(startRow, startColumn, endRow, endColumn);
+        }
+    };
+
+    this.openingBracketBlock = function(session, bracket, row, column, typeRe) {
+        var start = {row: row, column: column + 1};
+        var end = session.$findClosingBracket(bracket, start, typeRe);
+        if (!end)
+            return;
+
+        var fw = session.foldWidgets[end.row];
+        if (fw == null)
+            fw = session.getFoldWidget(end.row);
+
+        if (fw == "start" && end.row > start.row) {
+            end.row --;
+            end.column = session.getLine(end.row).length;
+        }
+        return Range.fromPoints(start, end);
+    };
+
+    this.closingBracketBlock = function(session, bracket, row, column, typeRe) {
+        var end = {row: row, column: column};
+        var start = session.$findOpeningBracket(bracket, end);
+
+        if (!start)
+            return;
+
+        start.column++;
+        end.column--;
+
+        return  Range.fromPoints(start, end);
+    };
+}).call(FoldMode.prototype);
+
+});
+
+define("ace/theme/textmate",["require","exports","module","ace/lib/dom"], function(require, exports, module) {
+"use strict";
+
+exports.isDark = false;
+exports.cssClass = "ace-tm";
+exports.cssText = ".ace-tm .ace_gutter {\
+background: #f0f0f0;\
+color: #333;\
+}\
+.ace-tm .ace_print-margin {\
+width: 1px;\
+background: #e8e8e8;\
+}\
+.ace-tm .ace_fold {\
+background-color: #6B72E6;\
+}\
+.ace-tm {\
+background-color: #FFFFFF;\
+color: black;\
+}\
+.ace-tm .ace_cursor {\
+color: black;\
+}\
+.ace-tm .ace_invisible {\
+color: rgb(191, 191, 191);\
+}\
+.ace-tm .ace_storage,\
+.ace-tm .ace_keyword {\
+color: blue;\
+}\
+.ace-tm .ace_constant {\
+color: rgb(197, 6, 11);\
+}\
+.ace-tm .ace_constant.ace_buildin {\
+color: rgb(88, 72, 246);\
+}\
+.ace-tm .ace_constant.ace_language {\
+color: rgb(88, 92, 246);\
+}\
+.ace-tm .ace_constant.ace_library {\
+color: rgb(6, 150, 14);\
+}\
+.ace-tm .ace_invalid {\
+background-color: rgba(255, 0, 0, 0.1);\
+color: red;\
+}\
+.ace-tm .ace_support.ace_function {\
+color: rgb(60, 76, 114);\
+}\
+.ace-tm .ace_support.ace_constant {\
+color: rgb(6, 150, 14);\
+}\
+.ace-tm .ace_support.ace_type,\
+.ace-tm .ace_support.ace_class {\
+color: rgb(109, 121, 222);\
+}\
+.ace-tm .ace_keyword.ace_operator {\
+color: rgb(104, 118, 135);\
+}\
+.ace-tm .ace_string {\
+color: rgb(3, 106, 7);\
+}\
+.ace-tm .ace_comment {\
+color: rgb(76, 136, 107);\
+}\
+.ace-tm .ace_comment.ace_doc {\
+color: rgb(0, 102, 255);\
+}\
+.ace-tm .ace_comment.ace_doc.ace_tag {\
+color: rgb(128, 159, 191);\
+}\
+.ace-tm .ace_constant.ace_numeric {\
+color: rgb(0, 0, 205);\
+}\
+.ace-tm .ace_variable {\
+color: rgb(49, 132, 149);\
+}\
+.ace-tm .ace_xml-pe {\
+color: rgb(104, 104, 91);\
+}\
+.ace-tm .ace_entity.ace_name.ace_function {\
+color: #0000A2;\
+}\
+.ace-tm .ace_heading {\
+color: rgb(12, 7, 255);\
+}\
+.ace-tm .ace_list {\
+color:rgb(185, 6, 144);\
+}\
+.ace-tm .ace_meta.ace_tag {\
+color:rgb(0, 22, 142);\
+}\
+.ace-tm .ace_string.ace_regex {\
+color: rgb(255, 0, 0)\
+}\
+.ace-tm .ace_marker-layer .ace_selection {\
+background: rgb(181, 213, 255);\
+}\
+.ace-tm.ace_multiselect .ace_selection.ace_start {\
+box-shadow: 0 0 3px 0px white;\
+border-radius: 2px;\
+}\
+.ace-tm .ace_marker-layer .ace_step {\
+background: rgb(252, 255, 0);\
+}\
+.ace-tm .ace_marker-layer .ace_stack {\
+background: rgb(164, 229, 101);\
+}\
+.ace-tm .ace_marker-layer .ace_bracket {\
+margin: -1px 0 0 -1px;\
+border: 1px solid rgb(192, 192, 192);\
+}\
+.ace-tm .ace_marker-layer .ace_active-line {\
+background: rgba(0, 0, 0, 0.07);\
+}\
+.ace-tm .ace_gutter-active-line {\
+background-color : #dcdcdc;\
+}\
+.ace-tm .ace_marker-layer .ace_selected-word {\
+background: rgb(250, 250, 255);\
+border: 1px solid rgb(200, 200, 250);\
+}\
+.ace-tm .ace_indent-guide {\
+background: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAACCAYAAACZgbYnAAAAE0lEQVQImWP4////f4bLly//BwAmVgd1/w11/gAAAABJRU5ErkJggg==\") right repeat-y;\
+}\
+";
+
+var dom = require("../lib/dom");
+dom.importCssString(exports.cssText, exports.cssClass);
+});
+
+define("ace/line_widgets",["require","exports","module","ace/lib/oop","ace/lib/dom","ace/range"], function(require, exports, module) {
+"use strict";
+
+var oop = require("./lib/oop");
+var dom = require("./lib/dom");
+var Range = require("./range").Range;
+
+
+function LineWidgets(session) {
+    this.session = session;
+    this.session.widgetManager = this;
+    this.session.getRowLength = this.getRowLength;
+    this.session.$getWidgetScreenLength = this.$getWidgetScreenLength;
+    this.updateOnChange = this.updateOnChange.bind(this);
+    this.renderWidgets = this.renderWidgets.bind(this);
+    this.measureWidgets = this.measureWidgets.bind(this);
+    this.session._changedWidgets = [];
+    this.$onChangeEditor = this.$onChangeEditor.bind(this);
+
+    this.session.on("change", this.updateOnChange);
+    this.session.on("changeEditor", this.$onChangeEditor);
+}
+
+(function() {
+    this.getRowLength = function(row) {
+        var h;
+        if (this.lineWidgets)
+            h = this.lineWidgets[row] && this.lineWidgets[row].rowCount || 0;
+        else
+            h = 0;
+        if (!this.$useWrapMode || !this.$wrapData[row]) {
+            return 1 + h;
+        } else {
+            return this.$wrapData[row].length + 1 + h;
+        }
+    };
+
+    this.$getWidgetScreenLength = function() {
+        var screenRows = 0;
+        this.lineWidgets.forEach(function(w){
+            if (w && w.rowCount)
+                screenRows +=w.rowCount;
+        });
+        return screenRows;
+    };
+
+    this.$onChangeEditor = function(e) {
+        this.attach(e.editor);
+    };
+
+    this.attach = function(editor) {
+        if (editor  && editor.widgetManager && editor.widgetManager != this)
+            editor.widgetManager.detach();
+
+        if (this.editor == editor)
+            return;
+
+        this.detach();
+        this.editor = editor;
+
+        if (editor) {
+            editor.widgetManager = this;
+            editor.renderer.on("beforeRender", this.measureWidgets);
+            editor.renderer.on("afterRender", this.renderWidgets);
+        }
+    };
+    this.detach = function(e) {
+        var editor = this.editor;
+        if (!editor)
+            return;
+
+        this.editor = null;
+        editor.widgetManager = null;
+
+        editor.renderer.off("beforeRender", this.measureWidgets);
+        editor.renderer.off("afterRender", this.renderWidgets);
+        var lineWidgets = this.session.lineWidgets;
+        lineWidgets && lineWidgets.forEach(function(w) {
+            if (w && w.el && w.el.parentNode) {
+                w._inDocument = false;
+                w.el.parentNode.removeChild(w.el);
+            }
+        });
+    };
+
+    this.updateOnChange = function(e) {
+        var lineWidgets = this.session.lineWidgets;
+        if (!lineWidgets) return;
+
+        var delta = e.data;
+        var range = delta.range;
+        var startRow = range.start.row;
+        var len = range.end.row - startRow;
+
+        if (len === 0) {
+        } else if (delta.action == "removeText" || delta.action == "removeLines") {
+            var removed = lineWidgets.splice(startRow + 1, len);
+            removed.forEach(function(w) {
+                w && this.removeLineWidget(w);
+            }, this);
+            this.$updateRows();
+        } else {
+            var args = new Array(len);
+            args.unshift(startRow, 0);
+            lineWidgets.splice.apply(lineWidgets, args);
+            this.$updateRows();
+        }
+    };
+
+    this.$updateRows = function() {
+        var lineWidgets = this.session.lineWidgets;
+        if (!lineWidgets) return;
+        var noWidgets = true;
+        lineWidgets.forEach(function(w, i) {
+            if (w) {
+                noWidgets = false;
+                w.row = i;
+            }
+        });
+        if (noWidgets)
+            this.session.lineWidgets = null;
+    };
+
+    this.addLineWidget = function(w) {
+        if (!this.session.lineWidgets)
+            this.session.lineWidgets = new Array(this.session.getLength());
+
+        this.session.lineWidgets[w.row] = w;
+
+        var renderer = this.editor.renderer;
+        if (w.html && !w.el) {
+            w.el = dom.createElement("div");
+            w.el.innerHTML = w.html;
+        }
+        if (w.el) {
+            dom.addCssClass(w.el, "ace_lineWidgetContainer");
+            w.el.style.position = "absolute";
+            w.el.style.zIndex = 5;
+            renderer.container.appendChild(w.el);
+            w._inDocument = true;
+        }
+
+        if (!w.coverGutter) {
+            w.el.style.zIndex = 3;
+        }
+        if (!w.pixelHeight) {
+            w.pixelHeight = w.el.offsetHeight;
+        }
+        if (w.rowCount == null)
+            w.rowCount = w.pixelHeight / renderer.layerConfig.lineHeight;
+
+        this.session._emit("changeFold", {data:{start:{row: w.row}}});
+
+        this.$updateRows();
+        this.renderWidgets(null, renderer);
+        return w;
+    };
+
+    this.removeLineWidget = function(w) {
+        w._inDocument = false;
+        if (w.el && w.el.parentNode)
+            w.el.parentNode.removeChild(w.el);
+        if (w.editor && w.editor.destroy) try {
+            w.editor.destroy();
+        } catch(e){}
+        if (this.session.lineWidgets)
+            this.session.lineWidgets[w.row] = undefined;
+        this.session._emit("changeFold", {data:{start:{row: w.row}}});
+        this.$updateRows();
+    };
+
+    this.onWidgetChanged = function(w) {
+        this.session._changedWidgets.push(w);
+        this.editor && this.editor.renderer.updateFull();
+    };
+
+    this.measureWidgets = function(e, renderer) {
+        var changedWidgets = this.session._changedWidgets;
+        var config = renderer.layerConfig;
+
+        if (!changedWidgets || !changedWidgets.length) return;
+        var min = Infinity;
+        for (var i = 0; i < changedWidgets.length; i++) {
+            var w = changedWidgets[i];
+            if (!w._inDocument) {
+                w._inDocument = true;
+                renderer.container.appendChild(w.el);
+            }
+
+            w.h = w.el.offsetHeight;
+
+            if (!w.fixedWidth) {
+                w.w = w.el.offsetWidth;
+                w.screenWidth = Math.ceil(w.w / config.characterWidth);
+            }
+
+            var rowCount = w.h / config.lineHeight;
+            if (w.coverLine) {
+                rowCount -= this.session.getRowLineCount(w.row);
+                if (rowCount < 0)
+                    rowCount = 0;
+            }
+            if (w.rowCount != rowCount) {
+                w.rowCount = rowCount;
+                if (w.row < min)
+                    min = w.row;
+            }
+        }
+        if (min != Infinity) {
+            this.session._emit("changeFold", {data:{start:{row: min}}});
+            this.session.lineWidgetWidth = null;
+        }
+        this.session._changedWidgets = [];
+    };
+
+    this.renderWidgets = function(e, renderer) {
+        var config = renderer.layerConfig;
+        var lineWidgets = this.session.lineWidgets;
+        if (!lineWidgets)
+            return;
+        var first = Math.min(this.firstRow, config.firstRow);
+        var last = Math.max(this.lastRow, config.lastRow, lineWidgets.length);
+
+        while (first > 0 && !lineWidgets[first])
+            first--;
+
+        this.firstRow = config.firstRow;
+        this.lastRow = config.lastRow;
+
+        renderer.$cursorLayer.config = config;
+        for (var i = first; i <= last; i++) {
+            var w = lineWidgets[i];
+            if (!w || !w.el) continue;
+
+            if (!w._inDocument) {
+                w._inDocument = true;
+                renderer.container.appendChild(w.el);
+            }
+            var top = renderer.$cursorLayer.getPixelPosition({row: i, column:0}, true).top;
+            if (!w.coverLine)
+                top += config.lineHeight * this.session.getRowLineCount(w.row);
+            w.el.style.top = top - config.offset + "px";
+
+            var left = w.coverGutter ? 0 : renderer.gutterWidth;
+            if (!w.fixedWidth)
+                left -= renderer.scrollLeft;
+            w.el.style.left = left + "px";
+
+            if (w.fixedWidth) {
+                w.el.style.right = renderer.scrollBar.getWidth() + "px";
+            } else {
+                w.el.style.right = "";
+            }
+        }
+    };
+
+}).call(LineWidgets.prototype);
+
+
+exports.LineWidgets = LineWidgets;
+
+});
+
+define("ace/ext/error_marker",["require","exports","module","ace/line_widgets","ace/lib/dom","ace/range"], function(require, exports, module) {
+"use strict";
+var LineWidgets = require("../line_widgets").LineWidgets;
+var dom = require("../lib/dom");
+var Range = require("../range").Range;
+
+function binarySearch(array, needle, comparator) {
+    var first = 0;
+    var last = array.length - 1;
+
+    while (first <= last) {
+        var mid = (first + last) >> 1;
+        var c = comparator(needle, array[mid]);
+        if (c > 0)
+            first = mid + 1;
+        else if (c < 0)
+            last = mid - 1;
+        else
+            return mid;
+    }
+    return -(first + 1);
+}
+
+function findAnnotations(session, row, dir) {
+    var annotations = session.getAnnotations().sort(Range.comparePoints);
+    if (!annotations.length)
+        return;
+
+    var i = binarySearch(annotations, {row: row, column: -1}, Range.comparePoints);
+    if (i < 0)
+        i = -i - 1;
+
+    if (i >= annotations.length - 1)
+        i = dir > 0 ? 0 : annotations.length - 1;
+    else if (i === 0 && dir < 0)
+        i = annotations.length - 1;
+
+    var annotation = annotations[i];
+    if (!annotation || !dir)
+        return;
+
+    if (annotation.row === row) {
+        do {
+            annotation = annotations[i += dir];
+        } while (annotation && annotation.row === row);
+        if (!annotation)
+            return annotations.slice();
+    }
+
+
+    var matched = [];
+    row = annotation.row;
+    do {
+        matched[dir < 0 ? "unshift" : "push"](annotation);
+        annotation = annotations[i += dir];
+    } while (annotation && annotation.row == row);
+    return matched.length && matched;
+}
+
+exports.showErrorMarker = function(editor, dir) {
+    var session = editor.session;
+    if (!session.widgetManager) {
+        session.widgetManager = new LineWidgets(session);
+        session.widgetManager.attach(editor);
+    }
+
+    var pos = editor.getCursorPosition();
+    var row = pos.row;
+    var oldWidget = session.lineWidgets && session.lineWidgets[row];
+    if (oldWidget) {
+        oldWidget.destroy();
+    } else {
+        row -= dir;
+    }
+    var annotations = findAnnotations(session, row, dir);
+    var gutterAnno;
+    if (annotations) {
+        var annotation = annotations[0];
+        pos.column = (annotation.pos && typeof annotation.column != "number"
+            ? annotation.pos.sc
+            : annotation.column) || 0;
+        pos.row = annotation.row;
+        gutterAnno = editor.renderer.$gutterLayer.$annotations[pos.row];
+    } else if (oldWidget) {
+        return;
+    } else {
+        gutterAnno = {
+            text: ["Looks good!"],
+            className: "ace_ok"
+        };
+    }
+    editor.session.unfold(pos.row);
+    editor.selection.moveToPosition(pos);
+
+    var w = {
+        row: pos.row,
+        fixedWidth: true,
+        coverGutter: true,
+        el: dom.createElement("div")
+    };
+    var el = w.el.appendChild(dom.createElement("div"));
+    var arrow = w.el.appendChild(dom.createElement("div"));
+    arrow.className = "error_widget_arrow " + gutterAnno.className;
+
+    var left = editor.renderer.$cursorLayer
+        .getPixelPosition(pos).left;
+    arrow.style.left = left + editor.renderer.gutterWidth - 5 + "px";
+
+    w.el.className = "error_widget_wrapper";
+    el.className = "error_widget " + gutterAnno.className;
+    el.innerHTML = gutterAnno.text.join("<br>");
+
+    el.appendChild(dom.createElement("div"));
+
+    var kb = function(_, hashId, keyString) {
+        if (hashId === 0 && (keyString === "esc" || keyString === "return")) {
+            w.destroy();
+            return {command: "null"};
+        }
+    };
+
+    w.destroy = function() {
+        if (editor.$mouseHandler.isMousePressed)
+            return;
+        editor.keyBinding.removeKeyboardHandler(kb);
+        session.widgetManager.removeLineWidget(w);
+        editor.off("changeSelection", w.destroy);
+        editor.off("changeSession", w.destroy);
+        editor.off("mouseup", w.destroy);
+        editor.off("change", w.destroy);
+    };
+
+    editor.keyBinding.addKeyboardHandler(kb);
+    editor.on("changeSelection", w.destroy);
+    editor.on("changeSession", w.destroy);
+    editor.on("mouseup", w.destroy);
+    editor.on("change", w.destroy);
+
+    editor.session.widgetManager.addLineWidget(w);
+
+    w.el.onmousedown = editor.focus.bind(editor);
+
+    editor.renderer.scrollCursorIntoView(null, 0.5, {bottom: w.el.offsetHeight});
+};
+
+
+dom.importCssString("\
+    .error_widget_wrapper {\
+        background: inherit;\
+        color: inherit;\
+        border:none\
+    }\
+    .error_widget {\
+        border-top: solid 2px;\
+        border-bottom: solid 2px;\
+        margin: 5px 0;\
+        padding: 10px 40px;\
+        white-space: pre-wrap;\
+    }\
+    .error_widget.ace_error, .error_widget_arrow.ace_error{\
+        border-color: #ff5a5a\
+    }\
+    .error_widget.ace_warning, .error_widget_arrow.ace_warning{\
+        border-color: #F1D817\
+    }\
+    .error_widget.ace_info, .error_widget_arrow.ace_info{\
+        border-color: #5a5a5a\
+    }\
+    .error_widget.ace_ok, .error_widget_arrow.ace_ok{\
+        border-color: #5aaa5a\
+    }\
+    .error_widget_arrow {\
+        position: absolute;\
+        border: solid 5px;\
+        border-top-color: transparent!important;\
+        border-right-color: transparent!important;\
+        border-left-color: transparent!important;\
+        top: -5px;\
+    }\
+", "");
+
+});
+
+define("ace/ace",["require","exports","module","ace/lib/fixoldbrowsers","ace/lib/dom","ace/lib/event","ace/editor","ace/edit_session","ace/undomanager","ace/virtual_renderer","ace/worker/worker_client","ace/keyboard/hash_handler","ace/placeholder","ace/multi_select","ace/mode/folding/fold_mode","ace/theme/textmate","ace/ext/error_marker","ace/config"], function(require, exports, module) {
+"use strict";
+
+require("./lib/fixoldbrowsers");
+
+var dom = require("./lib/dom");
+var event = require("./lib/event");
+
+var Editor = require("./editor").Editor;
+var EditSession = require("./edit_session").EditSession;
+var UndoManager = require("./undomanager").UndoManager;
+var Renderer = require("./virtual_renderer").VirtualRenderer;
+require("./worker/worker_client");
+require("./keyboard/hash_handler");
+require("./placeholder");
+require("./multi_select");
+require("./mode/folding/fold_mode");
+require("./theme/textmate");
+require("./ext/error_marker");
+
+exports.config = require("./config");
+exports.require = require;
+exports.edit = function(el) {
+    if (typeof(el) == "string") {
+        var _id = el;
+        el = document.getElementById(_id);
+        if (!el)
+            throw new Error("ace.edit can't find div #" + _id);
+    }
+
+    if (el && el.env && el.env.editor instanceof Editor)
+        return el.env.editor;
+
+    var value = "";
+    if (el && /input|textarea/i.test(el.tagName)) {
+        var oldNode = el;
+        value = oldNode.value;
+        el = dom.createElement("pre");
+        oldNode.parentNode.replaceChild(el, oldNode);
+    } else {
+        value = dom.getInnerText(el);
+        el.innerHTML = '';
+    }
+
+    var doc = exports.createEditSession(value);
+
+    var editor = new Editor(new Renderer(el));
+    editor.setSession(doc);
+
+    var env = {
+        document: doc,
+        editor: editor,
+        onResize: editor.resize.bind(editor, null)
+    };
+    if (oldNode) env.textarea = oldNode;
+    event.addListener(window, "resize", env.onResize);
+    editor.on("destroy", function() {
+        event.removeListener(window, "resize", env.onResize);
+        env.editor.container.env = null; // prevent memory leak on old ie
+    });
+    editor.container.env = editor.env = env;
+    return editor;
+};
+exports.createEditSession = function(text, mode) {
+    var doc = new EditSession(text, mode);
+    doc.setUndoManager(new UndoManager());
+    return doc;
+}
+exports.EditSession = EditSession;
+exports.UndoManager = UndoManager;
+});
+            (function() {
+                window.require(["ace/ace"], function(a) {
+                    a && a.config.init(true);
+                    if (!window.ace)
+                        window.ace = a;
+                    for (var key in a) if (a.hasOwnProperty(key))
+                        window.ace[key] = a[key];
+                });
+            })();
diff --git a/airflow/www_rbac/static/js/jquery.dataTables.min.js b/airflow/www_rbac/static/js/jquery.dataTables.min.js
new file mode 100644
index 0000000000..59d4dac21f
--- /dev/null
+++ b/airflow/www_rbac/static/js/jquery.dataTables.min.js
@@ -0,0 +1,189 @@
+/*
+ * This combined file was created by the DataTables downloader builder:
+ *   https://datatables.net/download
+ *
+ * To rebuild or modify this file with the latest versions of the included
+ * software please visit:
+ *   https://datatables.net/download/#bs/dt-1.10.10
+ *
+ * Included libraries:
+ *   DataTables 1.10.10
+ */
+
+/*!
+ DataTables 1.10.10
+ ©2008-2015 SpryMedia Ltd - datatables.net/license
+*/
+(function(h){"function"===typeof define&&define.amd?define(["jquery"],function(E){return h(E,window,document)}):"object"===typeof exports?module.exports=function(E,H){E||(E=window);H||(H="undefined"!==typeof window?require("jquery"):require("jquery")(E));return h(H,E,E.document)}:h(jQuery,window,document)})(function(h,E,H,k){function Y(a){var b,c,d={};h.each(a,function(e){if((b=e.match(/^([^A-Z]+?)([A-Z])/))&&-1!=="a aa ai ao as b fn i m o s ".indexOf(b[1]+" "))c=e.replace(b[0],b[2].toLowerCase()),
+d[c]=e,"o"===b[1]&&Y(a[e])});a._hungarianMap=d}function J(a,b,c){a._hungarianMap||Y(a);var d;h.each(b,function(e){d=a._hungarianMap[e];if(d!==k&&(c||b[d]===k))"o"===d.charAt(0)?(b[d]||(b[d]={}),h.extend(!0,b[d],b[e]),J(a[d],b[d],c)):b[d]=b[e]})}function Fa(a){var b=m.defaults.oLanguage,c=a.sZeroRecords;!a.sEmptyTable&&(c&&"No data available in table"===b.sEmptyTable)&&F(a,a,"sZeroRecords","sEmptyTable");!a.sLoadingRecords&&(c&&"Loading..."===b.sLoadingRecords)&&F(a,a,"sZeroRecords","sLoadingRecords");
+a.sInfoThousands&&(a.sThousands=a.sInfoThousands);(a=a.sDecimal)&&db(a)}function eb(a){A(a,"ordering","bSort");A(a,"orderMulti","bSortMulti");A(a,"orderClasses","bSortClasses");A(a,"orderCellsTop","bSortCellsTop");A(a,"order","aaSorting");A(a,"orderFixed","aaSortingFixed");A(a,"paging","bPaginate");A(a,"pagingType","sPaginationType");A(a,"pageLength","iDisplayLength");A(a,"searching","bFilter");"boolean"===typeof a.sScrollX&&(a.sScrollX=a.sScrollX?"100%":"");"boolean"===typeof a.scrollX&&(a.scrollX=
+a.scrollX?"100%":"");if(a=a.aoSearchCols)for(var b=0,c=a.length;b<c;b++)a[b]&&J(m.models.oSearch,a[b])}function fb(a){A(a,"orderable","bSortable");A(a,"orderData","aDataSort");A(a,"orderSequence","asSorting");A(a,"orderDataType","sortDataType");var b=a.aDataSort;b&&!h.isArray(b)&&(a.aDataSort=[b])}function gb(a){if(!m.__browser){var b={};m.__browser=b;var c=h("<div/>").css({position:"fixed",top:0,left:0,height:1,width:1,overflow:"hidden"}).append(h("<div/>").css({position:"absolute",top:1,left:1,
+width:100,overflow:"scroll"}).append(h("<div/>").css({width:"100%",height:10}))).appendTo("body"),d=c.children(),e=d.children();b.barWidth=d[0].offsetWidth-d[0].clientWidth;b.bScrollOversize=100===e[0].offsetWidth&&100!==d[0].clientWidth;b.bScrollbarLeft=1!==Math.round(e.offset().left);b.bBounding=c[0].getBoundingClientRect().width?!0:!1;c.remove()}h.extend(a.oBrowser,m.__browser);a.oScroll.iBarWidth=m.__browser.barWidth}function hb(a,b,c,d,e,f){var g,j=!1;c!==k&&(g=c,j=!0);for(;d!==e;)a.hasOwnProperty(d)&&
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+(c(g.sort)||c(g.type)||c(g.filter));b.fnGetData=function(a,b,c){var d=j(a,b,k,c);return i&&b?i(d,b,a,c):d};b.fnSetData=function(a,b,c){return R(g)(a,b,c)};"number"!==typeof g&&(a._rowReadObject=!0);a.oFeatures.bSort||(b.bSortable=!1,e.addClass(d.sSortableNone));a=-1!==h.inArray("asc",b.asSorting);c=-1!==h.inArray("desc",b.asSorting);!b.bSortable||!a&&!c?(b.sSortingClass=d.sSortableNone,b.sSortingClassJUI=""):a&&!c?(b.sSortingClass=d.sSortableAsc,b.sSortingClassJUI=d.sSortJUIAscAllowed):!a&&c?(b.sSortingClass=
+d.sSortableDesc,b.sSortingClassJUI=d.sSortJUIDescAllowed):(b.sSortingClass=d.sSortable,b.sSortingClassJUI=d.sSortJUI)}function U(a){if(!1!==a.oFeatures.bAutoWidth){var b=a.aoColumns;Ha(a);for(var c=0,d=b.length;c<d;c++)b[c].nTh.style.width=b[c].sWidth}b=a.oScroll;(""!==b.sY||""!==b.sX)&&Z(a);v(a,null,"column-sizing",[a])}function $(a,b){var c=aa(a,"bVisible");return"number"===typeof c[b]?c[b]:null}function ba(a,b){var c=aa(a,"bVisible"),c=h.inArray(b,c);return-1!==c?c:null}function ca(a){return aa(a,
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+b,c,d){var e,f,g,j,i,o,l=a.aoColumns;if(b)for(e=b.length-1;0<=e;e--){o=b[e];var q=o.targets!==k?o.targets:o.aTargets;h.isArray(q)||(q=[q]);f=0;for(g=q.length;f<g;f++)if("number"===typeof q[f]&&0<=q[f]){for(;l.length<=q[f];)Ga(a);d(q[f],o)}else if("number"===typeof q[f]&&0>q[f])d(l.length+q[f],o);else if("string"===typeof q[f]){j=0;for(i=l.length;j<i;j++)("_all"==q[f]||h(l[j].nTh).hasClass(q[f]))&&d(j,o)}}if(c){e=0;for(a=c.length;e<a;e++)d(e,c[e])}}function N(a,b,c,d){var e=a.aoData.length,f=h.extend(!0,
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+a.sInstance+"_"+location.pathname))}catch(b){}},fnStateLoadParams:null,fnStateLoaded:null,fnStateSaveCallback:function(a,b){try{(-1===a.iStateDuration?sessionStorage:localStorage).setItem("DataTables_"+a.sInstance+"_"+location.pathname,JSON.stringify(b))}catch(c){}},fnStateSaveParams:null,iStateDuration:7200,iDeferLoading:null,iDisplayLength:10,iDisplayStart:0,iTabIndex:0,oClasses:{},oLanguage:{oAria:{sSortAscending:": activate to sort column ascending",sSortDescending:": activate to sort column descending"},
+oPaginate:{sFirst:"First",sLast:"Last",sNext:"Next",sPrevious:"Previous"},sEmptyTable:"No data available in table",sInfo:"Showing _START_ to _END_ of _TOTAL_ entries",sInfoEmpty:"Showing 0 to 0 of 0 entries",sInfoFiltered:"(filtered from _MAX_ total entries)",sInfoPostFix:"",sDecimal:"",sThousands:",",sLengthMenu:"Show _MENU_ entries",sLoadingRecords:"Loading...",sProcessing:"Processing...",sSearch:"Search:",sSearchPlaceholder:"",sUrl:"",sZeroRecords:"No matching records found"},oSearch:h.extend({},
+m.models.oSearch),sAjaxDataProp:"data",sAjaxSource:null,sDom:"lfrtip",searchDelay:null,sPaginationType:"simple_numbers",sScrollX:"",sScrollXInner:"",sScrollY:"",sServerMethod:"GET",renderer:null,rowId:"DT_RowId"};Y(m.defaults);m.defaults.column={aDataSort:null,iDataSort:-1,asSorting:["asc","desc"],bSearchable:!0,bSortable:!0,bVisible:!0,fnCreatedCell:null,mData:null,mRender:null,sCellType:"td",sClass:"",sContentPadding:"",sDefaultContent:null,sName:"",sSortDataType:"std",sTitle:null,sType:null,sWidth:null};
+Y(m.defaults.column);m.models.oSettings={oFeatures:{bAutoWidth:null,bDeferRender:null,bFilter:null,bInfo:null,bLengthChange:null,bPaginate:null,bProcessing:null,bServerSide:null,bSort:null,bSortMulti:null,bSortClasses:null,bStateSave:null},oScroll:{bCollapse:null,iBarWidth:0,sX:null,sXInner:null,sY:null},oLanguage:{fnInfoCallback:null},oBrowser:{bScrollOversize:!1,bScrollbarLeft:!1,bBounding:!1,barWidth:0},ajax:null,aanFeatures:[],aoData:[],aiDisplay:[],aiDisplayMaster:[],aIds:{},aoColumns:[],aoHeader:[],
+aoFooter:[],oPreviousSearch:{},aoPreSearchCols:[],aaSorting:null,aaSortingFixed:[],asStripeClasses:null,asDestroyStripes:[],sDestroyWidth:0,aoRowCallback:[],aoHeaderCallback:[],aoFooterCallback:[],aoDrawCallback:[],aoRowCreatedCallback:[],aoPreDrawCallback:[],aoInitComplete:[],aoStateSaveParams:[],aoStateLoadParams:[],aoStateLoaded:[],sTableId:"",nTable:null,nTHead:null,nTFoot:null,nTBody:null,nTableWrapper:null,bDeferLoading:!1,bInitialised:!1,aoOpenRows:[],sDom:null,searchDelay:null,sPaginationType:"two_button",
+iStateDuration:0,aoStateSave:[],aoStateLoad:[],oSavedState:null,oLoadedState:null,sAjaxSource:null,sAjaxDataProp:null,bAjaxDataGet:!0,jqXHR:null,json:k,oAjaxData:k,fnServerData:null,aoServerParams:[],sServerMethod:null,fnFormatNumber:null,aLengthMenu:null,iDraw:0,bDrawing:!1,iDrawError:-1,_iDisplayLength:10,_iDisplayStart:0,_iRecordsTotal:0,_iRecordsDisplay:0,bJUI:null,oClasses:{},bFiltered:!1,bSorted:!1,bSortCellsTop:null,oInit:null,aoDestroyCallback:[],fnRecordsTotal:function(){return"ssp"==y(this)?
+1*this._iRecordsTotal:this.aiDisplayMaster.length},fnRecordsDisplay:function(){return"ssp"==y(this)?1*this._iRecordsDisplay:this.aiDisplay.length},fnDisplayEnd:function(){var a=this._iDisplayLength,b=this._iDisplayStart,c=b+a,d=this.aiDisplay.length,e=this.oFeatures,f=e.bPaginate;return e.bServerSide?!1===f||-1===a?b+d:Math.min(b+a,this._iRecordsDisplay):!f||c>d||-1===a?d:c},oInstance:null,sInstance:null,iTabIndex:0,nScrollHead:null,nScrollFoot:null,aLastSort:[],oPlugins:{},rowIdFn:null,rowId:null};
+m.ext=s={buttons:{},classes:{},build:"bs/dt-1.10.10",errMode:"alert",feature:[],search:[],selector:{cell:[],column:[],row:[]},internal:{},legacy:{ajax:null},pager:{},renderer:{pageButton:{},header:{}},order:{},type:{detect:[],search:{},order:{}},_unique:0,fnVersionCheck:m.fnVersionCheck,iApiIndex:0,oJUIClasses:{},sVersion:m.version};h.extend(s,{afnFiltering:s.search,aTypes:s.type.detect,ofnSearch:s.type.search,oSort:s.type.order,afnSortData:s.order,aoFeatures:s.feature,oApi:s.internal,oStdClasses:s.classes,
+oPagination:s.pager});h.extend(m.ext.classes,{sTable:"dataTable",sNoFooter:"no-footer",sPageButton:"paginate_button",sPageButtonActive:"current",sPageButtonDisabled:"disabled",sStripeOdd:"odd",sStripeEven:"even",sRowEmpty:"dataTables_empty",sWrapper:"dataTables_wrapper",sFilter:"dataTables_filter",sInfo:"dataTables_info",sPaging:"dataTables_paginate paging_",sLength:"dataTables_length",sProcessing:"dataTables_processing",sSortAsc:"sorting_asc",sSortDesc:"sorting_desc",sSortable:"sorting",sSortableAsc:"sorting_asc_disabled",
+sSortableDesc:"sorting_desc_disabled",sSortableNone:"sorting_disabled",sSortColumn:"sorting_",sFilterInput:"",sLengthSelect:"",sScrollWrapper:"dataTables_scroll",sScrollHead:"dataTables_scrollHead",sScrollHeadInner:"dataTables_scrollHeadInner",sScrollBody:"dataTables_scrollBody",sScrollFoot:"dataTables_scrollFoot",sScrollFootInner:"dataTables_scrollFootInner",sHeaderTH:"",sFooterTH:"",sSortJUIAsc:"",sSortJUIDesc:"",sSortJUI:"",sSortJUIAscAllowed:"",sSortJUIDescAllowed:"",sSortJUIWrapper:"",sSortIcon:"",
+sJUIHeader:"",sJUIFooter:""});var Ea="",Ea="",G=Ea+"ui-state-default",ka=Ea+"css_right ui-icon ui-icon-",Xb=Ea+"fg-toolbar ui-toolbar ui-widget-header ui-helper-clearfix";h.extend(m.ext.oJUIClasses,m.ext.classes,{sPageButton:"fg-button ui-button "+G,sPageButtonActive:"ui-state-disabled",sPageButtonDisabled:"ui-state-disabled",sPaging:"dataTables_paginate fg-buttonset ui-buttonset fg-buttonset-multi ui-buttonset-multi paging_",sSortAsc:G+" sorting_asc",sSortDesc:G+" sorting_desc",sSortable:G+" sorting",
+sSortableAsc:G+" sorting_asc_disabled",sSortableDesc:G+" sorting_desc_disabled",sSortableNone:G+" sorting_disabled",sSortJUIAsc:ka+"triangle-1-n",sSortJUIDesc:ka+"triangle-1-s",sSortJUI:ka+"carat-2-n-s",sSortJUIAscAllowed:ka+"carat-1-n",sSortJUIDescAllowed:ka+"carat-1-s",sSortJUIWrapper:"DataTables_sort_wrapper",sSortIcon:"DataTables_sort_icon",sScrollHead:"dataTables_scrollHead "+G,sScrollFoot:"dataTables_scrollFoot "+G,sHeaderTH:G,sFooterTH:G,sJUIHeader:Xb+" ui-corner-tl ui-corner-tr",sJUIFooter:Xb+
+" ui-corner-bl ui-corner-br"});var Mb=m.ext.pager;h.extend(Mb,{simple:function(){return["previous","next"]},full:function(){return["first","previous","next","last"]},numbers:function(a,b){return[Aa(a,b)]},simple_numbers:function(a,b){return["previous",Aa(a,b),"next"]},full_numbers:function(a,b){return["first","previous",Aa(a,b),"next","last"]},_numbers:Aa,numbers_length:7});h.extend(!0,m.ext.renderer,{pageButton:{_:function(a,b,c,d,e,f){var g=a.oClasses,j=a.oLanguage.oPaginate,i=a.oLanguage.oAria.paginate||
+{},k,l,m=0,p=function(b,d){var n,r,t,s,v=function(b){Ta(a,b.data.action,true)};n=0;for(r=d.length;n<r;n++){s=d[n];if(h.isArray(s)){t=h("<"+(s.DT_el||"div")+"/>").appendTo(b);p(t,s)}else{k=null;l="";switch(s){case "ellipsis":b.append('<span class="ellipsis">&#x2026;</span>');break;case "first":k=j.sFirst;l=s+(e>0?"":" "+g.sPageButtonDisabled);break;case "previous":k=j.sPrevious;l=s+(e>0?"":" "+g.sPageButtonDisabled);break;case "next":k=j.sNext;l=s+(e<f-1?"":" "+g.sPageButtonDisabled);break;case "last":k=
+j.sLast;l=s+(e<f-1?"":" "+g.sPageButtonDisabled);break;default:k=s+1;l=e===s?g.sPageButtonActive:""}if(k!==null){t=h("<a>",{"class":g.sPageButton+" "+l,"aria-controls":a.sTableId,"aria-label":i[s],"data-dt-idx":m,tabindex:a.iTabIndex,id:c===0&&typeof s==="string"?a.sTableId+"_"+s:null}).html(k).appendTo(b);Wa(t,{action:s},v);m++}}}},r;try{r=h(b).find(H.activeElement).data("dt-idx")}catch(n){}p(h(b).empty(),d);r&&h(b).find("[data-dt-idx="+r+"]").focus()}}});h.extend(m.ext.type.detect,[function(a,b){var c=
+b.oLanguage.sDecimal;return Za(a,c)?"num"+c:null},function(a){if(a&&!(a instanceof Date)&&(!ac.test(a)||!bc.test(a)))return null;var b=Date.parse(a);return null!==b&&!isNaN(b)||M(a)?"date":null},function(a,b){var c=b.oLanguage.sDecimal;return Za(a,c,!0)?"num-fmt"+c:null},function(a,b){var c=b.oLanguage.sDecimal;return Rb(a,c)?"html-num"+c:null},function(a,b){var c=b.oLanguage.sDecimal;return Rb(a,c,!0)?"html-num-fmt"+c:null},function(a){return M(a)||"string"===typeof a&&-1!==a.indexOf("<")?"html":
+null}]);h.extend(m.ext.type.search,{html:function(a){return M(a)?a:"string"===typeof a?a.replace(Ob," ").replace(Ca,""):""},string:function(a){return M(a)?a:"string"===typeof a?a.replace(Ob," "):a}});var Ba=function(a,b,c,d){if(0!==a&&(!a||"-"===a))return-Infinity;b&&(a=Qb(a,b));a.replace&&(c&&(a=a.replace(c,"")),d&&(a=a.replace(d,"")));return 1*a};h.extend(s.type.order,{"date-pre":function(a){return Date.parse(a)||0},"html-pre":function(a){return M(a)?"":a.replace?a.replace(/<.*?>/g,"").toLowerCase():
+a+""},"string-pre":function(a){return M(a)?"":"string"===typeof a?a.toLowerCase():!a.toString?"":a.toString()},"string-asc":function(a,b){return a<b?-1:a>b?1:0},"string-desc":function(a,b){return a<b?1:a>b?-1:0}});db("");h.extend(!0,m.ext.renderer,{header:{_:function(a,b,c,d){h(a.nTable).on("order.dt.DT",function(e,f,g,h){if(a===f){e=c.idx;b.removeClass(c.sSortingClass+" "+d.sSortAsc+" "+d.sSortDesc).addClass(h[e]=="asc"?d.sSortAsc:h[e]=="desc"?d.sSortDesc:c.sSortingClass)}})},jqueryui:function(a,
+b,c,d){h("<div/>").addClass(d.sSortJUIWrapper).append(b.contents()).append(h("<span/>").addClass(d.sSortIcon+" "+c.sSortingClassJUI)).appendTo(b);h(a.nTable).on("order.dt.DT",function(e,f,g,h){if(a===f){e=c.idx;b.removeClass(d.sSortAsc+" "+d.sSortDesc).addClass(h[e]=="asc"?d.sSortAsc:h[e]=="desc"?d.sSortDesc:c.sSortingClass);b.find("span."+d.sSortIcon).removeClass(d.sSortJUIAsc+" "+d.sSortJUIDesc+" "+d.sSortJUI+" "+d.sSortJUIAscAllowed+" "+d.sSortJUIDescAllowed).addClass(h[e]=="asc"?d.sSortJUIAsc:
+h[e]=="desc"?d.sSortJUIDesc:c.sSortingClassJUI)}})}}});m.render={number:function(a,b,c,d,e){return{display:function(f){if("number"!==typeof f&&"string"!==typeof f)return f;var g=0>f?"-":"",h=parseFloat(f);if(isNaN(h))return f;f=Math.abs(h);h=parseInt(f,10);f=c?b+(f-h).toFixed(c).substring(2):"";return g+(d||"")+h.toString().replace(/\B(?=(\d{3})+(?!\d))/g,a)+f+(e||"")}}},text:function(){return{display:function(a){return"string"===typeof a?a.replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/"/g,"&quot;"):
+a}}}};h.extend(m.ext.internal,{_fnExternApiFunc:Nb,_fnBuildAjax:ra,_fnAjaxUpdate:lb,_fnAjaxParameters:ub,_fnAjaxUpdateDraw:vb,_fnAjaxDataSrc:sa,_fnAddColumn:Ga,_fnColumnOptions:la,_fnAdjustColumnSizing:U,_fnVisibleToColumnIndex:$,_fnColumnIndexToVisible:ba,_fnVisbleColumns:ca,_fnGetColumns:aa,_fnColumnTypes:Ia,_fnApplyColumnDefs:ib,_fnHungarianMap:Y,_fnCamelToHungarian:J,_fnLanguageCompat:Fa,_fnBrowserDetect:gb,_fnAddData:N,_fnAddTr:ma,_fnNodeToDataIndex:function(a,b){return b._DT_RowIndex!==k?b._DT_RowIndex:
+null},_fnNodeToColumnIndex:function(a,b,c){return h.inArray(c,a.aoData[b].anCells)},_fnGetCellData:B,_fnSetCellData:jb,_fnSplitObjNotation:La,_fnGetObjectDataFn:Q,_fnSetObjectDataFn:R,_fnGetDataMaster:Ma,_fnClearTable:na,_fnDeleteIndex:oa,_fnInvalidate:ea,_fnGetRowElements:Ka,_fnCreateTr:Ja,_fnBuildHead:kb,_fnDrawHead:ga,_fnDraw:O,_fnReDraw:T,_fnAddOptionsHtml:nb,_fnDetectHeader:fa,_fnGetUniqueThs:qa,_fnFeatureHtmlFilter:pb,_fnFilterComplete:ha,_fnFilterCustom:yb,_fnFilterColumn:xb,_fnFilter:wb,_fnFilterCreateSearch:Qa,
+_fnEscapeRegex:va,_fnFilterData:zb,_fnFeatureHtmlInfo:sb,_fnUpdateInfo:Cb,_fnInfoMacros:Db,_fnInitialise:ia,_fnInitComplete:ta,_fnLengthChange:Ra,_fnFeatureHtmlLength:ob,_fnFeatureHtmlPaginate:tb,_fnPageChange:Ta,_fnFeatureHtmlProcessing:qb,_fnProcessingDisplay:C,_fnFeatureHtmlTable:rb,_fnScrollDraw:Z,_fnApplyToChildren:I,_fnCalculateColumnWidths:Ha,_fnThrottle:ua,_fnConvertToWidth:Fb,_fnGetWidestNode:Gb,_fnGetMaxLenString:Hb,_fnStringToCss:w,_fnSortFlatten:W,_fnSort:mb,_fnSortAria:Jb,_fnSortListener:Va,
+_fnSortAttachListener:Oa,_fnSortingClasses:xa,_fnSortData:Ib,_fnSaveState:ya,_fnLoadState:Kb,_fnSettingsFromNode:za,_fnLog:K,_fnMap:F,_fnBindAction:Wa,_fnCallbackReg:z,_fnCallbackFire:v,_fnLengthOverflow:Sa,_fnRenderer:Pa,_fnDataSource:y,_fnRowAttributes:Na,_fnCalculateEnd:function(){}});h.fn.dataTable=m;m.$=h;h.fn.dataTableSettings=m.settings;h.fn.dataTableExt=m.ext;h.fn.DataTable=function(a){return h(this).dataTable(a).api()};h.each(m,function(a,b){h.fn.DataTable[a]=b});return h.fn.dataTable});
+
+
+/*!
+ DataTables Bootstrap 3 integration
+ ©2011-2015 SpryMedia Ltd - datatables.net/license
+*/
+(function(b){"function"===typeof define&&define.amd?define(["jquery","datatables.net"],function(a){return b(a,window,document)}):"object"===typeof exports?module.exports=function(a,e){a||(a=window);if(!e||!e.fn.dataTable)e=require("datatables.net")(a,e).$;return b(e,a,a.document)}:b(jQuery,window,document)})(function(b,a,e){var d=b.fn.dataTable;b.extend(!0,d.defaults,{dom:"<'row'<'col-sm-6'l><'col-sm-6'f>><'row'<'col-sm-12'tr>><'row'<'col-sm-5'i><'col-sm-7'p>>",renderer:"bootstrap"});b.extend(d.ext.classes,
+{sWrapper:"dataTables_wrapper form-inline dt-bootstrap",sFilterInput:"form-control input-sm",sLengthSelect:"form-control input-sm",sProcessing:"dataTables_processing panel panel-default"});d.ext.renderer.pageButton.bootstrap=function(a,h,r,m,j,n){var o=new d.Api(a),s=a.oClasses,k=a.oLanguage.oPaginate,t=a.oLanguage.oAria.paginate||{},f,g,p=0,q=function(d,e){var l,h,i,c,m=function(a){a.preventDefault();!b(a.currentTarget).hasClass("disabled")&&o.page()!=a.data.action&&o.page(a.data.action).draw("page")};
+l=0;for(h=e.length;l<h;l++)if(c=e[l],b.isArray(c))q(d,c);else{g=f="";switch(c){case "ellipsis":f="&#x2026;";g="disabled";break;case "first":f=k.sFirst;g=c+(0<j?"":" disabled");break;case "previous":f=k.sPrevious;g=c+(0<j?"":" disabled");break;case "next":f=k.sNext;g=c+(j<n-1?"":" disabled");break;case "last":f=k.sLast;g=c+(j<n-1?"":" disabled");break;default:f=c+1,g=j===c?"active":""}f&&(i=b("<li>",{"class":s.sPageButton+" "+g,id:0===r&&"string"===typeof c?a.sTableId+"_"+c:null}).append(b("<a>",{href:"#",
+"aria-controls":a.sTableId,"aria-label":t[c],"data-dt-idx":p,tabindex:a.iTabIndex}).html(f)).appendTo(d),a.oApi._fnBindAction(i,{action:c},m),p++)}},i;try{i=b(h).find(e.activeElement).data("dt-idx")}catch(u){}q(b(h).empty().html('<ul class="pagination"/>').children("ul"),m);i&&b(h).find("[data-dt-idx="+i+"]").focus()};d.TableTools&&(b.extend(!0,d.TableTools.classes,{container:"DTTT btn-group",buttons:{normal:"btn btn-default",disabled:"disabled"},collection:{container:"DTTT_dropdown dropdown-menu",
+buttons:{normal:"",disabled:"disabled"}},print:{info:"DTTT_print_info"},select:{row:"active"}}),b.extend(!0,d.TableTools.DEFAULTS.oTags,{collection:{container:"ul",button:"li",liner:"a"}}));return d});
+
+
diff --git a/airflow/www_rbac/static/js/mode-sql.js b/airflow/www_rbac/static/js/mode-sql.js
new file mode 100644
index 0000000000..6cdfad526f
--- /dev/null
+++ b/airflow/www_rbac/static/js/mode-sql.js
@@ -0,0 +1,111 @@
+/**
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements. See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership. The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License. You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing,
+* software distributed under the License is distributed on an
+* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+* KIND, either express or implied. See the License for the
+* specific language governing permissions and limitations
+* under the License.
+*/
+
+define("ace/mode/sql_highlight_rules",["require","exports","module","ace/lib/oop","ace/mode/text_highlight_rules"], function(require, exports, module) {
+"use strict";
+
+var oop = require("../lib/oop");
+var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;
+
+var SqlHighlightRules = function() {
+
+    var keywords = (
+        "select|insert|update|delete|from|where|and|or|group|by|order|limit|offset|having|as|case|" +
+        "when|else|end|type|left|right|join|on|outer|desc|asc|union"
+    );
+
+    var builtinConstants = (
+        "true|false|null"
+    );
+
+    var builtinFunctions = (
+        "count|min|max|avg|sum|rank|now|coalesce"
+    );
+
+    var keywordMapper = this.createKeywordMapper({
+        "support.function": builtinFunctions,
+        "keyword": keywords,
+        "constant.language": builtinConstants
+    }, "identifier", true);
+
+    this.$rules = {
+        "start" : [ {
+            token : "comment",
+            regex : "--.*$"
+        },  {
+            token : "comment",
+            start : "/\\*",
+            end : "\\*/"
+        }, {
+            token : "string",           // " string
+            regex : '".*?"'
+        }, {
+            token : "string",           // ' string
+            regex : "'.*?'"
+        }, {
+            token : "constant.numeric", // float
+            regex : "[+-]?\\d+(?:(?:\\.\\d*)?(?:[eE][+-]?\\d+)?)?\\b"
+        }, {
+            token : keywordMapper,
+            regex : "[a-zA-Z_$][a-zA-Z0-9_$]*\\b"
+        }, {
+            token : "keyword.operator",
+            regex : "\\+|\\-|\\/|\\/\\/|%|<@>|@>|<@|&|\\^|~|<|>|<=|=>|==|!=|<>|="
+        }, {
+            token : "paren.lparen",
+            regex : "[\\(]"
+        }, {
+            token : "paren.rparen",
+            regex : "[\\)]"
+        }, {
+            token : "text",
+            regex : "\\s+"
+        } ]
+    };
+    this.normalizeRules();
+};
+
+oop.inherits(SqlHighlightRules, TextHighlightRules);
+
+exports.SqlHighlightRules = SqlHighlightRules;
+});
+
+define("ace/mode/sql",["require","exports","module","ace/lib/oop","ace/mode/text","ace/mode/sql_highlight_rules","ace/range"], function(require, exports, module) {
+"use strict";
+
+var oop = require("../lib/oop");
+var TextMode = require("./text").Mode;
+var SqlHighlightRules = require("./sql_highlight_rules").SqlHighlightRules;
+var Range = require("../range").Range;
+
+var Mode = function() {
+    this.HighlightRules = SqlHighlightRules;
+};
+oop.inherits(Mode, TextMode);
+
+(function() {
+
+    this.lineCommentStart = "--";
+
+    this.$id = "ace/mode/sql";
+}).call(Mode.prototype);
+
+exports.Mode = Mode;
+
+});
diff --git a/airflow/www_rbac/static/js/theme-crimson_editor.js b/airflow/www_rbac/static/js/theme-crimson_editor.js
new file mode 100644
index 0000000000..0543cdee2d
--- /dev/null
+++ b/airflow/www_rbac/static/js/theme-crimson_editor.js
@@ -0,0 +1,137 @@
+/**
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements. See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership. The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License. You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing,
+* software distributed under the License is distributed on an
+* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+* KIND, either express or implied. See the License for the
+* specific language governing permissions and limitations
+* under the License.
+*/
+
+define("ace/theme/crimson_editor",["require","exports","module","ace/lib/dom"], function(require, exports, module) {
+exports.isDark = false;
+exports.cssText = ".ace-crimson-editor .ace_gutter {\
+background: #ebebeb;\
+color: #333;\
+overflow : hidden;\
+}\
+.ace-crimson-editor .ace_gutter-layer {\
+width: 100%;\
+text-align: right;\
+}\
+.ace-crimson-editor .ace_print-margin {\
+width: 1px;\
+background: #e8e8e8;\
+}\
+.ace-crimson-editor {\
+background-color: #FFFFFF;\
+color: rgb(64, 64, 64);\
+}\
+.ace-crimson-editor .ace_cursor {\
+color: black;\
+}\
+.ace-crimson-editor .ace_invisible {\
+color: rgb(191, 191, 191);\
+}\
+.ace-crimson-editor .ace_identifier {\
+color: black;\
+}\
+.ace-crimson-editor .ace_keyword {\
+color: blue;\
+}\
+.ace-crimson-editor .ace_constant.ace_buildin {\
+color: rgb(88, 72, 246);\
+}\
+.ace-crimson-editor .ace_constant.ace_language {\
+color: rgb(255, 156, 0);\
+}\
+.ace-crimson-editor .ace_constant.ace_library {\
+color: rgb(6, 150, 14);\
+}\
+.ace-crimson-editor .ace_invalid {\
+text-decoration: line-through;\
+color: rgb(224, 0, 0);\
+}\
+.ace-crimson-editor .ace_fold {\
+}\
+.ace-crimson-editor .ace_support.ace_function {\
+color: rgb(192, 0, 0);\
+}\
+.ace-crimson-editor .ace_support.ace_constant {\
+color: rgb(6, 150, 14);\
+}\
+.ace-crimson-editor .ace_support.ace_type,\
+.ace-crimson-editor .ace_support.ace_class {\
+color: rgb(109, 121, 222);\
+}\
+.ace-crimson-editor .ace_keyword.ace_operator {\
+color: rgb(49, 132, 149);\
+}\
+.ace-crimson-editor .ace_string {\
+color: rgb(128, 0, 128);\
+}\
+.ace-crimson-editor .ace_comment {\
+color: rgb(76, 136, 107);\
+}\
+.ace-crimson-editor .ace_comment.ace_doc {\
+color: rgb(0, 102, 255);\
+}\
+.ace-crimson-editor .ace_comment.ace_doc.ace_tag {\
+color: rgb(128, 159, 191);\
+}\
+.ace-crimson-editor .ace_constant.ace_numeric {\
+color: rgb(0, 0, 64);\
+}\
+.ace-crimson-editor .ace_variable {\
+color: rgb(0, 64, 128);\
+}\
+.ace-crimson-editor .ace_xml-pe {\
+color: rgb(104, 104, 91);\
+}\
+.ace-crimson-editor .ace_marker-layer .ace_selection {\
+background: rgb(181, 213, 255);\
+}\
+.ace-crimson-editor .ace_marker-layer .ace_step {\
+background: rgb(252, 255, 0);\
+}\
+.ace-crimson-editor .ace_marker-layer .ace_stack {\
+background: rgb(164, 229, 101);\
+}\
+.ace-crimson-editor .ace_marker-layer .ace_bracket {\
+margin: -1px 0 0 -1px;\
+border: 1px solid rgb(192, 192, 192);\
+}\
+.ace-crimson-editor .ace_marker-layer .ace_active-line {\
+background: rgb(232, 242, 254);\
+}\
+.ace-crimson-editor .ace_gutter-active-line {\
+background-color : #dcdcdc;\
+}\
+.ace-crimson-editor .ace_meta.ace_tag {\
+color:rgb(28, 2, 255);\
+}\
+.ace-crimson-editor .ace_marker-layer .ace_selected-word {\
+background: rgb(250, 250, 255);\
+border: 1px solid rgb(200, 200, 250);\
+}\
+.ace-crimson-editor .ace_string.ace_regex {\
+color: rgb(192, 0, 192);\
+}\
+.ace-crimson-editor .ace_indent-guide {\
+background: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAACCAYAAACZgbYnAAAAE0lEQVQImWP4////f4bLly//BwAmVgd1/w11/gAAAABJRU5ErkJggg==\") right repeat-y;\
+}";
+
+exports.cssClass = "ace-crimson-editor";
+
+var dom = require("../lib/dom");
+dom.importCssString(exports.cssText, exports.cssClass);
+});
diff --git a/airflow/www_rbac/templates/airflow/query.html b/airflow/www_rbac/templates/airflow/query.html
new file mode 100644
index 0000000000..827dd73437
--- /dev/null
+++ b/airflow/www_rbac/templates/airflow/query.html
@@ -0,0 +1,90 @@
+{# 
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+  
+    http://www.apache.org/licenses/LICENSE-2.0
+  
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+
+#}
+{% extends "airflow/master.html" %}
+
+{% block title %}{{ title }}{% endblock %}
+
+
+{% block head_css %}
+{{ super() }}
+<link href="{{ url_for_asset('dataTables.bootstrap.min.css') }}" rel="stylesheet" type="text/css" >
+<link href="{{ url_for_asset('bootstrap-toggle.min.css') }}" rel="stylesheet" type="text/css">
+{% endblock %}
+
+
+{% block content %}
+  {{ super() }}
+  <br>
+  <br>
+  <h2>Ad Hoc Query</h2>
+  <form method="post" id="query_form">
+    <div class="form-inline">
+        <input name="_csrf_token" type="hidden" value="{{ csrf_token() }}">
+        {{ form.conn_id }}
+        <input type="submit" class="btn btn-default" value="Run!" id="submit_without_csv">
+        <input type="submit" class="btn btn-default" value=".csv" id="submit_with_csv">
+        <span id="results"></span><br>
+        <div id='ace_container'>
+            {{ form.sql(rows=10) }}
+        </div>
+    </div>
+  </form>
+  {{ results|safe }}
+{% endblock %}
+
+{% block tail %}
+  {{ super() }}
+  <script src="{{ url_for('static', filename='js/ace.js') }}"></script>
+  <script src="{{ url_for('static', filename='js/mode-sql.js') }}"></script>
+  <script src="{{ url_for('static', filename='js/jquery.dataTables.min.js') }}"></script>
+  <script src="{{ url_for('static', filename='js/theme-crimson_editor.js') }}"></script>
+  <script>
+    $( document ).ready(function() {
+        var editor = ace.edit("sql");
+        var textarea = $('textarea[name="sql"]').hide();
+        function sync() {
+            textarea.val(editor.getSession().getValue());
+        }
+        editor.setTheme("ace/theme/crimson_editor");
+        editor.setOptions({
+            minLines: 3,
+            maxLines: Infinity,
+        });
+        editor.getSession().setMode("ace/mode/sql");
+        editor.getSession().on('change', sync);
+        editor.focus();
+        $('table.dataframe').dataTable({
+            "scrollX": true,
+            "iDisplayLength": 100,
+            "aaSorting": [],
+        });
+        $('select').addClass("form-control");
+        sync();
+        $("#submit_without_csv").submit(function(event){
+            $("#results").html("<img width='25'src='{{ url_for('static', filename='loading.gif') }}'>");
+        });
+        $("#submit_with_csv").click(function(){
+          $("#csv_value").remove();
+          $("#query_form").append('<input name="csv" type="hidden" value="true" id="csv_value">');
+        });
+        $("#submit_without_csv").click(function(){
+          $("#csv_value").remove();
+        });
+    });
+  </script>
+{% endblock %}
diff --git a/airflow/www_rbac/utils.py b/airflow/www_rbac/utils.py
index 7bbdada555..00fcd676df 100644
--- a/airflow/www_rbac/utils.py
+++ b/airflow/www_rbac/utils.py
@@ -20,10 +20,12 @@
 from future import standard_library  # noqa
 standard_library.install_aliases()  # noqa
 
+from cgi import escape
 import inspect
 import json
 import time
 import wtforms
+from wtforms.compat import text_type
 import bleach
 import markdown
 
@@ -353,3 +355,50 @@ def get_chart_height(dag):
     charts, that is charts that take up space based on the size of the components within.
     """
     return 600 + len(dag.tasks) * 10
+
+
+def limit_sql(sql, limit, conn_type):
+    sql = sql.strip()
+    sql = sql.rstrip(';')
+    if sql.lower().startswith("select"):
+        if conn_type in ['mssql']:
+            sql = """\
+            SELECT TOP {limit} * FROM (
+            {sql}
+            ) qry
+            """.format(**locals())
+        elif conn_type in ['oracle']:
+            sql = """\
+            SELECT * FROM (
+            {sql}
+            ) qry
+            WHERE ROWNUM <= {limit}
+            """.format(**locals())
+        else:
+            sql = """\
+            SELECT * FROM (
+            {sql}
+            ) qry
+            LIMIT {limit}
+            """.format(**locals())
+    return sql
+
+
+class AceEditorWidget(wtforms.widgets.TextArea):
+    """
+    Renders an ACE code editor.
+    """
+    def __call__(self, field, **kwargs):
+        kwargs.setdefault('id', field.id)
+        html = '''
+        <div id="{el_id}" style="height:100px;">{contents}</div>
+        <textarea
+            id="{el_id}_ace" name="{form_name}"
+            style="display:none;visibility:hidden;">
+        </textarea>
+        '''.format(
+            el_id=kwargs.get('id', field.id),
+            contents=escape(text_type(field._value())),
+            form_name=field.id,
+        )
+        return wtforms.widgets.core.HTMLString(html)
diff --git a/airflow/www_rbac/views.py b/airflow/www_rbac/views.py
index a9947ae096..490a33f0c9 100644
--- a/airflow/www_rbac/views.py
+++ b/airflow/www_rbac/views.py
@@ -47,7 +47,7 @@
 from pygments import highlight, lexers
 from pygments.formatters import HtmlFormatter
 from sqlalchemy import or_, desc, and_, union_all
-from wtforms import SelectField, validators
+from wtforms import SelectField, validators, Form, TextAreaField
 
 import airflow
 from airflow import configuration as conf
@@ -78,6 +78,8 @@
 else:
     dagbag = models.DagBag
 
+QUERY_LIMIT = 100000
+
 
 def get_date_time_num_runs_dag_runs_form_data(request, session, dag):
     dttm = request.args.get('execution_date')
@@ -1754,6 +1756,72 @@ def version(self):
                            git_version=git_version)
 
 
+class QueryView(AirflowBaseView):
+    @expose('/queryview', methods=['POST', 'GET'])
+    @has_access
+    @provide_session
+    def query(self, session=None):
+        dbs = session.query(models.Connection).order_by(
+            models.Connection.conn_id).all()
+        session.expunge_all()
+        db_choices = list(
+            ((db.conn_id, db.conn_id) for db in dbs if db.get_hook()))
+        conn_id_str = request.form.get('conn_id')
+        csv = request.form.get('csv') == "true"
+        sql = request.form.get('sql')
+
+        class QueryForm(Form):
+            conn_id = SelectField("Layout", choices=db_choices)
+            sql = TextAreaField("SQL", widget=wwwutils.AceEditorWidget())
+
+        data = {
+            'conn_id': conn_id_str,
+            'sql': sql,
+        }
+        results = None
+        has_data = False
+        error = False
+        if conn_id_str:
+            db = [db for db in dbs if db.conn_id == conn_id_str][0]
+            hook = db.get_hook()
+            try:
+                df = hook.get_pandas_df(wwwutils.limit_sql(sql,
+                                                           QUERY_LIMIT,
+                                                           conn_type=db.conn_type))
+                has_data = len(df) > 0
+                df = df.fillna('')
+                results = df.to_html(
+                    classes=[
+                        'table', 'table-bordered', 'table-striped', 'no-wrap'],
+                    index=False,
+                    na_rep='',
+                ) if (has_data and not csv) else ''
+            except Exception as e:
+                flash(str(e), 'error')
+                error = True
+
+        if has_data and len(df) == QUERY_LIMIT:
+            flash(
+                "Query output truncated at " + str(QUERY_LIMIT) +
+                " rows", 'info')
+
+        if not has_data and error:
+            flash('No data', 'error')
+
+        if csv and has_data:
+            return Response(
+                response=df.to_csv(index=False),
+                status=200,
+                mimetype="text/csv")
+
+        form = QueryForm(request.form, data=data)
+        session.commit()
+        return self.render(
+            'airflow/query.html', form=form,
+            title="Ad Hoc Query",
+            results=results or '')
+
+
 class ConfigurationView(AirflowBaseView):
     @expose('/configuration')
     @has_access


 

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> Implement "Ad Hoc Query" in /www_rbac, and refine existing QueryView()
> ----------------------------------------------------------------------
>
>                 Key: AIRFLOW-2872
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-2872
>             Project: Apache Airflow
>          Issue Type: Improvement
>          Components: ui
>            Reporter: Xiaodong DENG
>            Assignee: Xiaodong DENG
>            Priority: Critical
>
> To implement "Ad Hoc Query" in for RBAC in /www_rbac, based on the existing implementation in /www.
> In addition, refine the existing QueryView():
>  # The ".csv" button in *Ad Hoc Query* view is responding with a plain text file, rather than a CSV file (even though users can manually change the extension).
>  # Argument 'has_data' passed to the template is not used by the template 'airflow/query.html'.
>  # Sometimes get errors 'UnboundLocalError: local variable 'df' referenced before assignment'
>  # 'result = df.to_html()' should only be invoked when user doesn NOT choose '.csv'. Otherwise it's a waste of resource to invoke 'df.to_html()' since the result it returns will not be used if user askes for CSV downloading instead of a html page.



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