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From cross...@apache.org
Subject svn commit: r345438 [9/286] - in /cocoon/site/site/2.1: ./ developing/ developing/portal/ developing/portal/coplets/ developing/webapps/ developing/webapps/authentication/ faq/ howto/ installing/ plan/ plan/documentation/ plan/otherplanning/ plan/overv...
Date Fri, 18 Nov 2005 04:13:22 GMT
Added: cocoon/site/site/2.1/developing/httprequest.html
URL: http://svn.apache.org/viewcvs/cocoon/site/site/2.1/developing/httprequest.html?rev=345438&view=auto
==============================================================================
--- cocoon/site/site/2.1/developing/httprequest.html (added)
+++ cocoon/site/site/2.1/developing/httprequest.html Thu Nov 17 20:00:02 2005
@@ -0,0 +1,1648 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html>
+<head>
+<META http-equiv="Content-Type" content="text/html; charset=UTF-8">
+<meta content="Apache Forrest" name="Generator">
+<meta name="Forrest-version" content="0.8-dev">
+<meta name="Forrest-skin-name" content="pelt">
+<title>Request Processing</title>
+<link type="text/css" href="../../skin/basic.css" rel="stylesheet">
+<link media="screen" type="text/css" href="../../skin/screen.css" rel="stylesheet">
+<link media="print" type="text/css" href="../../skin/print.css" rel="stylesheet">
+<link type="text/css" href="../../skin/profile.css" rel="stylesheet">
+<script src="../../skin/getBlank.js" language="javascript" type="text/javascript"></script><script src="../../skin/getMenu.js" language="javascript" type="text/javascript"></script><script src="../../skin/fontsize.js" language="javascript" type="text/javascript"></script>
+<link rel="shortcut icon" href="../../images/cocoon.ico">
+</head>
+<body onload="init()">
+<script type="text/javascript">ndeSetTextSize();</script>
+<div id="top">
+<!--+
+    |breadtrail
+    +-->
+<div class="breadtrail">
+<a href="http://www.apache.org/">apache</a> &gt; <a href="http://cocoon.apache.org/">cocoon</a><script src="../../skin/breadcrumbs.js" language="JavaScript" type="text/javascript"></script>
+</div>
+<!--+
+    |header
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+<div class="header">
+<!--+
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+<div class="grouplogo">
+<a href="http://www.apache.org/"><img class="logoImage" alt="Apache" src="../../images/cocoon-project-logo.png" title="The Apache Software Foundation"></a>
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+<!--+
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+<div class="searchbox">
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+<!--+
+    |start Subtabs
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+<div id="level2tabs"></div>
+<!--+
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+    +-->
+<script type="text/javascript"><!--
+document.write("Last Published: " + document.lastModified);
+//  --></script>
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+<a href="../../2.1/userdocs/default/wildcarduri-matcher.html">WildCard URI Matcher</a>
+</div>
+</div>
+<div onclick="SwitchMenu('menu_1.2.5.3.4.3', '../../skin/')" id="menu_1.2.5.3.4.3Title" class="menutitle">Core</div>
+<div id="menu_1.2.5.3.4.3" class="menuitemgroup">
+<div class="menuitem">
+<a href="../../2.1/userdocs/core/wildcarduri-matcher.html">WildCard URI Matcher</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/core/wildcardheader-matcher.html">WildCard Header Matcher</a>
+</div>
+</div>
+<div onclick="SwitchMenu('menu_1.2.5.3.4.4', '../../skin/')" id="menu_1.2.5.3.4.4Title" class="menutitle">Optional</div>
+<div id="menu_1.2.5.3.4.4" class="menuitemgroup">
+<div class="menuitem">
+<a href="../../2.1/userdocs/optional/template-matcher.html">Template Matcher</a>
+</div>
+</div>
+</div>
+<div onclick="SwitchMenu('menu_1.2.5.3.5', '../../skin/')" id="menu_1.2.5.3.5Title" class="menutitle">Selectors</div>
+<div id="menu_1.2.5.3.5" class="menuitemgroup">
+<div class="menuitem">
+<a href="../../2.1/userdocs/selectors.html">Overview</a>
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+<div onclick="SwitchMenu('menu_1.2.5.3.5.2', '../../skin/')" id="menu_1.2.5.3.5.2Title" class="menutitle">Default</div>
+<div id="menu_1.2.5.3.5.2" class="menuitemgroup">
+<div class="menuitem">
+<a href="../../2.1/userdocs/default/browser-selector.html">Browser Selector</a>
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+<div onclick="SwitchMenu('menu_1.2.5.3.5.3', '../../skin/')" id="menu_1.2.5.3.5.3Title" class="menutitle">Core</div>
+<div id="menu_1.2.5.3.5.3" class="menuitemgroup">
+<div class="menuitem">
+<a href="../../2.1/userdocs/browser-selector.html">Browser Selector</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/host-selector.html">Host Selector</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/parameter-selector.html">Parameter Selector</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/requestattribute-selector.html">Request Attribute Selector</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/requestmethod-selector.html">Request Method Selector</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/requestparameter-selector.html">Request Parameter Selector</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/resourceexists-selector.html">Resource Exists Selector</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/regular-expression-header-selector.html">Regular-expression Header Selector</a>
+</div>
+</div>
+<div onclick="SwitchMenu('menu_1.2.5.3.5.4', '../../skin/')" id="menu_1.2.5.3.5.4Title" class="menutitle">Scratchpad</div>
+<div id="menu_1.2.5.3.5.4" class="menuitemgroup">
+<div class="menuitem">
+<a href="../../2.1/userdocs/scratchpad/date-selector.html">Date Selector</a>
+</div>
+</div>
+</div>
+<div onclick="SwitchMenu('menu_1.2.5.3.6', '../../skin/')" id="menu_1.2.5.3.6Title" class="menutitle">Actions</div>
+<div id="menu_1.2.5.3.6" class="menuitemgroup">
+<div class="menuitem">
+<a href="../../2.1/userdocs/actions.html">Overview</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/database-actions.html">Database</a>
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+<div onclick="SwitchMenu('menu_1.2.5.3.6.3', '../../skin/')" id="menu_1.2.5.3.6.3Title" class="menutitle">Optional</div>
+<div id="menu_1.2.5.3.6.3" class="menuitemgroup">
+<div class="menuitem">
+<a href="../../2.1/userdocs/optional/sendmail-action.html">Sendmail Action</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/optional/session-action.html">Session Action</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/optional/script-action.html">Script Action</a>
+</div>
+</div>
+</div>
+<div onclick="SwitchMenu('menu_1.2.5.3.7', '../../skin/')" id="menu_1.2.5.3.7Title" class="menutitle">Readers</div>
+<div id="menu_1.2.5.3.7" class="menuitemgroup">
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+<a href="../../2.1/userdocs/readers.html">Overview</a>
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+<div id="menu_1.2.5.3.7.2" class="menuitemgroup">
+<div class="menuitem">
+<a href="../../2.1/userdocs/default/resource-reader.html">Resource Reader</a>
+</div>
+</div>
+<div onclick="SwitchMenu('menu_1.2.5.3.7.3', '../../skin/')" id="menu_1.2.5.3.7.3Title" class="menutitle">Core</div>
+<div id="menu_1.2.5.3.7.3" class="menuitemgroup">
+<div class="menuitem">
+<a href="../../2.1/userdocs/core/image-reader.html">Image Reader</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/core/resource-reader.html">Resource Reader</a>
+</div>
+</div>
+<div onclick="SwitchMenu('menu_1.2.5.3.7.4', '../../skin/')" id="menu_1.2.5.3.7.4Title" class="menutitle">Optional</div>
+<div id="menu_1.2.5.3.7.4" class="menuitemgroup">
+<div class="menuitem">
+<a href="../../2.1/userdocs/optional/axisrpc-reader.html">AxisRPC Reader</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/optional/database-reader.html">Database Reader</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/optional/jsp-reader.html">JSP Reader</a>
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+</div>
+<div onclick="SwitchMenu('menu_1.2.5.3.7.5', '../../skin/')" id="menu_1.2.5.3.7.5Title" class="menutitle">Scratchpad</div>
+<div id="menu_1.2.5.3.7.5" class="menuitemgroup">
+<div class="menuitem">
+<a href="../../2.1/userdocs/scratchpad/directoryziparchiver-reader.html">Directory ZIP Archiver</a>
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+</div>
+</div>
+</div>
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+<div id="menu_1.2.5.4" class="menuitemgroup">
+<div class="menuitem">
+<a href="../../2.1/userdocs/flow/index.html">Introduction</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/flow/continuations.html">Continuations</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/flow/how-does-it-work.html">How does it work?</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/flow/using.html">Usage</a>
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+<div class="menuitem">
+<a href="../../2.1/userdocs/flow/tutor.html">Tutorial</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/flow/sitemap.html">Sitemap</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/flow/api.html">Flowscript</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/flow/java.html">Calling Java</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/flow/views.html">Views</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/flow/jxtemplate.html">JXTemplate</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/flow/jpath.html">JPath</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/flow/velocity.html">Velocity</a>
+</div>
+</div>
+<div onclick="SwitchMenu('menu_1.2.5.5', '../../skin/')" id="menu_1.2.5.5Title" class="menutitle">Cocoon Forms</div>
+<div id="menu_1.2.5.5" class="menuitemgroup">
+<div onclick="SwitchMenu('menu_1.2.5.5.1', '../../skin/')" id="menu_1.2.5.5.1Title" class="menutitle">Basics</div>
+<div id="menu_1.2.5.5.1" class="menuitemgroup">
+<div class="menuitem">
+<a href="../../2.1/userdocs/basics/index.html">Introduction</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/basics/sample.html">Sample</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/basics/improving_sample.html">Improving the sample</a>
+</div>
+</div>
+<div onclick="SwitchMenu('menu_1.2.5.5.2', '../../skin/')" id="menu_1.2.5.5.2Title" class="menutitle">Widgets</div>
+<div id="menu_1.2.5.5.2" class="menuitemgroup">
+<div class="menuitem">
+<a href="../../2.1/userdocs/widgets/widget_form.html">form</a>
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+<div class="menuitem">
+<a href="../../2.1/userdocs/widgets/widget_field.html">field</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/widgets/widget_multivaluefield.html">multivaluefield</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/widgets/widget_booleanfield.html">booleanfield</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/widgets/widget_repeater.html">repeater</a>
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+<div class="menuitem">
+<a href="../../2.1/userdocs/widgets/widget_output.html">output</a>
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+<div class="menuitem">
+<a href="../../2.1/userdocs/widgets/widget_submit.html">submit</a>
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+<div class="menuitem">
+<a href="../../2.1/userdocs/widgets/widget_action.html">action</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/widgets/widget_repeater_action.html">repeater-action</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/widgets/widget_row_action.html">row-action</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/widgets/widget_aggregatefield.html">aggregatefield</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/widgets/widget_upload.html">upload</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/widgets/widget_messages.html">messages</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/widgets/widget_imagemap.html">imagemap</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/widgets/widget_tree.html">tree</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/widgets/widget_group.html">group/struct</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/widgets/widget_union.html">union</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/widgets/widget_class.html">class/new</a>
+</div>
+</div>
+<div onclick="SwitchMenu('menu_1.2.5.5.3', '../../skin/')" id="menu_1.2.5.5.3Title" class="menutitle">Widget Concepts</div>
+<div id="menu_1.2.5.5.3" class="menuitemgroup">
+<div class="menuitem">
+<a href="../../2.1/userdocs/widgetconcepts/validation.html">Validation</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/widgetconcepts/eventhandling.html">Event Handling</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/widgetconcepts/datatypes.html">Datatypes</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/widgetconcepts/selectionlists.html">Selection lists</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/widgetconcepts/widgetstates.html">Widget states</a>
+</div>
+</div>
+<div onclick="SwitchMenu('menu_1.2.5.5.4', '../../skin/')" id="menu_1.2.5.5.4Title" class="menutitle">Form Publishing</div>
+<div id="menu_1.2.5.5.4" class="menuitemgroup">
+<div onclick="SwitchMenu('menu_1.2.5.5.4.1', '../../skin/')" id="menu_1.2.5.5.4.1Title" class="menutitle">Templating</div>
+<div id="menu_1.2.5.5.4.1" class="menuitemgroup">
+<div class="menuitem">
+<a href="../../2.1/userdocs/publishing/templating.html">Section Home</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/publishing/templating/templategenerator.html">Template Generator</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/publishing/templating/templatetransformer.html">Template Transformer</a>
+</div>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/publishing/formsgenerator.html">Generator</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/publishing/xslt.html">XSLT</a>
+</div>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/binding.html">Binding Framework</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/xmlbinding.html">Simple XML Binding</a>
+</div>
+<div onclick="SwitchMenu('menu_1.2.5.5.7', '../../skin/')" id="menu_1.2.5.5.7Title" class="menutitle">API</div>
+<div id="menu_1.2.5.5.7" class="menuitemgroup">
+<div class="menuitem">
+<a href="../../2.1/userdocs/api/api_javascript.html">Javascript (Flowscript)</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/api/api_java.html">Java</a>
+</div>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/formlibraries.html">Form libraries</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/ajax.html">Ajax</a>
+</div>
+<div class="menuitem">
+<a href="http://wiki.apache.org/cocoon/Forms">Forms @ Wiki</a>
+</div>
+</div>
+<div onclick="SwitchMenu('menu_1.2.5.6', '../../skin/')" id="menu_1.2.5.6Title" class="menutitle">XSP</div>
+<div id="menu_1.2.5.6" class="menuitemgroup">
+<div class="menuitem">
+<a href="../../2.1/userdocs/index.html">Overview</a>
+</div>
+<div onclick="SwitchMenu('menu_1.2.5.6.2', '../../skin/')" id="menu_1.2.5.6.2Title" class="menutitle">XSP</div>
+<div id="menu_1.2.5.6.2" class="menuitemgroup">
+<div class="menuitem">
+<a href="../../2.1/userdocs/xsp.html">Section Home</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/xsp/logicsheet.html">XSP Guide</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/xsp/xsp-internals.html">XSP Internals</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/xsp/logicsheet-concepts.html">XSP Logicsheets</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/xsp/sessions.html">Sessions</a>
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+</div>
+<div onclick="SwitchMenu('menu_1.2.5.6.3', '../../skin/')" id="menu_1.2.5.6.3Title" class="menutitle">Logicsheets</div>
+<div id="menu_1.2.5.6.3" class="menuitemgroup">
+<div class="menuitem">
+<a href="../../2.1/userdocs/logicsheets/request.html">Request</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/logicsheets/session.html">Session</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/logicsheets/esql.html">ESQL</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/logicsheets/logicsheet-forms.html">Forms</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/logicsheets/sendmail.html">Sendmail</a>
+</div>
+</div>
+</div>
+<div onclick="SwitchMenu('menu_1.2.5.7', '../../skin/')" id="menu_1.2.5.7Title" class="menutitle">Offline</div>
+<div id="menu_1.2.5.7" class="menuitemgroup">
+<div class="menuitem">
+<a href="../../2.1/userdocs/offline/index.html">Overview</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/offline/cli.html">Command Line</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/offline/configuration.html">CLI Configuration</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/offline/ant.html">Ant</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/userdocs/offline/bean.html">Cocoon Bean</a>
+</div>
+</div>
+</div>
+<div onclick="SwitchMenu('menu_selected_1.2.6', '../../skin/')" id="menu_selected_1.2.6Title" class="menutitle" style="background-image: url('../../skin/images/chapter_open.gif');">Developer's Guide</div>
+<div id="menu_selected_1.2.6" class="selectedmenuitemgroup" style="display: block;">
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+<div id="menu_selected_1.2.6.2" class="selectedmenuitemgroup" style="display: block;">
+<div class="menupage">
+<div class="menupagetitle">Internals</div>
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+<div class="menuitem">
+<a href="../../2.1/developing/extending.html">Extending</a>
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+<div class="menuitem">
+<a href="../../2.1/developing/avalon.html">Avalon</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/developing/source.html">Source Handling</a>
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+<div class="menuitem">
+<a href="../../2.1/developing/stores.html">Stores</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/developing/datasources.html">Using Databases</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/developing/parent-component-manager.html">Parent CM</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/developing/deliquick.html">DELI Quick Start</a>
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+<div class="menuitem">
+<a href="../../2.1/developing/deli.html">DELI</a>
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+<div onclick="SwitchMenu('menu_1.2.6.3', '../../skin/')" id="menu_1.2.6.3Title" class="menutitle">Developing Webapps</div>
+<div id="menu_1.2.6.3" class="menuitemgroup">
+<div class="menuitem">
+<a href="../../2.1/developing/webapps/index.html">Overview</a>
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+<div class="menuitem">
+<a href="../../2.1/developing/webapps/session.html">Sessions</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/developing/webapps/contexts.html">Session Contexts</a>
+</div>
+<div onclick="SwitchMenu('menu_1.2.6.3.4', '../../skin/')" id="menu_1.2.6.3.4Title" class="menutitle">Authentication</div>
+<div id="menu_1.2.6.3.4" class="menuitemgroup">
+<div class="menuitem">
+<a href="../../2.1/developing/webapps/authentication.html">Section Home</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/developing/webapps/authentication/authentication-handler.html">The Authentication Handler</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/developing/webapps/authentication/authenticating_user.html">Authenticating a User</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/developing/webapps/authentication/user_management.html">User Management</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/developing/webapps/authentication/application_management.html">Application Management</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/developing/webapps/authentication/module_management.html">Module Management</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/developing/webapps/authentication/user_administration.html">User Administration</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/developing/webapps/authentication/summary.html">Configuration Summary</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/developing/webapps/authentication/pipeline_patterns.html">Pipeline Patterns</a>
+</div>
+</div>
+<div class="menuitem">
+<a href="../../2.1/developing/webapps/forms.html">Simple Forms</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/developing/webapps/portal.html">Portal FW</a>
+</div>
+</div>
+<div onclick="SwitchMenu('menu_1.2.6.4', '../../skin/')" id="menu_1.2.6.4Title" class="menutitle">Building a portal using the Portal Engine</div>
+<div id="menu_1.2.6.4" class="menuitemgroup">
+<div class="menuitem">
+<a href="../../2.1/developing/portal/index.html">Index</a>
+</div>
+<div class="menuitem">
+<a href="../../2.1/developing/portal/portal-block.html">Portal Engine</a>
+</div>
+<div onclick="SwitchMenu('menu_1.2.6.4.3', '../../skin/')" id="menu_1.2.6.4.3Title" class="menutitle">Configuring Coplets</div>
+<div id="menu_1.2.6.4.3" class="menuitemgroup">
+<div class="menuitem">
+<a href="../../2.1/developing/portal/coplets.html">Section Home</a>
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+<a href="http://cocoon.apache.org/community/mail-lists.html">Mail Lists</a>
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+<a href="http://cocoon.apache.org/community/mail-archives.html">Mail Archives</a>
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+</div>
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+</div>
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+<div onclick="SwitchMenu('menu_1.6', '../../skin/')" id="menu_1.6Title" class="menutitle">Other Releases</div>
+<div id="menu_1.6" class="menuitemgroup">
+<div class="menuitem">
+<a href="http://cocoon.apache.org/1.x/">Cocoon 1.x</a>
+</div>
+<div class="menuitem">
+<a href="http://cocoon.apache.org/2.0/">Cocoon 2.0</a>
+</div>
+</div>
+<div onclick="SwitchMenu('menu_1.7', '../../skin/')" id="menu_1.7Title" class="menutitle">External</div>
+<div id="menu_1.7" class="menuitemgroup">
+<div class="menuitem">
+<a href="http://wiki.apache.org/cocoon/GT2005Hackaton">2005 Get Together</a>
+</div>
+</div>
+<div id="credit"></div>
+<div id="roundbottom">
+<img style="display: none" class="corner" height="15" width="15" alt="" src="../../skin/images/rc-b-l-15-1body-2menu-3menu.png"></div>
+<!--+
+  |alternative credits
+  +-->
+<div id="credit2">
+<a href="http://apachecon.com/"><img border="0" title="ApacheCon US 2005" alt="ApacheCon US 2005 - logo" src="http://apache.org/images/ac2005us_blue_125x125.jpg" style="width: 125px;height: 125px;"></a>
+</div>
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+<!--+
+    |end Menu
+    +-->
+<!--+
+    |start content
+    +-->
+<div id="content">
+<h1>Request Processing</h1>
+<a name="N10007"></a><a name="Introduction"></a>
+<h2 class="h3">Introduction</h2>
+<div class="section">
+<a name="N1000B"></a><a name="Goal"></a>
+<h3 class="h4">Goal</h3>
+<p>This document tries to explain Apache Cocoon technically. We do this by
+describing what happens if somebody types in the URL of a simple Cocoon page.
+</p>
+<a name="N10011"></a><a name="Intended+public"></a>
+<h3 class="h4">Intended public</h3>
+<p>The reader should have a knowledge of:</p>
+<ul>
+
+<li>the Java 2 platform</li>
+
+<li>the javax.servlet extensions</li>
+
+<li>XML</li>
+
+<li>HTTP</li>
+
+</ul>
+</div>
+<a name="N10025"></a><a name="The+configuration+assumptions"></a>
+<h2 class="h3">The configuration assumptions</h2>
+<div class="section">
+<p>The sequence of events described in this document, depends on some
+assumptions with regard to the configuration of Cocoon. That's what's described
+here.</p>
+<a name="N1002B"></a><a name="sitemap.xmap"></a>
+<h3 class="h4">sitemap.xmap</h3>
+<p>The task of the sitemap is to define the pipelines that Cocoon will apply to
+URI's called in one's browser.</p>
+<p>This is the minimal sitemap that is necessary. The lines here are included in
+the standard sitemap.xmap that comes with the distribution of Cocoon.</p>
+<p>The sitemap is defined in <tt>${cocoon}/sitemap.xmap</tt>.</p>
+<pre> 
+&lt;?xml version="1.0"?&gt;
+          
+&lt;map:sitemap xmlns:map="http://apache.org/cocoon/sitemap/1.0"&gt; 
+          
+  &lt;!--===========================Components================================--&gt;
+  &lt;map:components&gt;
+          
+    &lt;map:generators default="file"&gt;
+    &lt;map:generator name="file" label="content" 
+                   src="org.apache.cocoon.generation.FileGenerator"/&gt; 
+    &lt;/map:generators&gt; 
+
+    &lt;map:transformers default="xslt"&gt;
+      &lt;map:transformer name="xslt"
+                       src="org.apache.cocoon.transformation.XalanTransformer"&gt;
+        &lt;use-request-parameters&gt;false&lt;/use-request-parameters&gt;
+      &lt;/map:transformer&gt; 
+    &lt;/map:transformers&gt;
+
+    &lt;map:serializers default="html"&gt;
+      &lt;map:serializer name="html" mime-type="text/html" 
+                      src="org.apache.cocoon.serialization.HTMLSerializer"/&gt; 
+    &lt;/map:serializers&gt;
+
+    &lt;map:selectors default="browser"&gt;
+      &lt;map:selector name="browser" 
+                    factory="org.apache.cocoon.selection.BrowserSelector"&gt;
+        &lt;browser name="explorer" useragent="MSIE"/&gt;
+        &lt;browser name="netscape" useragent="Mozilla"/&gt; 
+      &lt;/map:selector&gt; 
+    &lt;/map:selectors&gt;
+
+    &lt;map:matchers default="uri"&gt;
+      &lt;map:matcher name="uri" 
+                   factory="org.apache.cocoon.matching.WildcardURIMatcher"/&gt;
+    &lt;/map:matchers&gt; 
+
+  &lt;/map:components&gt; 
+          
+  &lt;!--===========================Pipelines=================================--&gt;
+  &lt;map:pipelines&gt; 
+    &lt;map:pipeline&gt; 
+      &lt;map:match pattern="hello.html"&gt;
+        &lt;map:generate src="docs/samples/hello-page.xml"/&gt;
+        &lt;map:transform src="stylesheets/page/simple-page2html.xsl"/&gt;
+        &lt;map:serialize type="html"/&gt; 
+      &lt;/map:match&gt; 
+    &lt;/map:pipeline&gt; 
+  &lt;/map:pipelines&gt;
+          
+&lt;/map:sitemap&gt; 
+</pre>
+<a name="N1003A"></a><a name="cocoon.xconf"></a>
+<h3 class="h4">cocoon.xconf</h3>
+<p>
+<tt>cocoon.xconf</tt> is the file that defines the
+<a href="../../2.1/developing/avalon.html">Avalon</a> Components.</p>
+<p>For our study, we need the standard <tt>cocoon.xconf</tt> file of Cocoon.</p>
+<p>It can be found in <tt>${cocoon}/WEB-INF/cocoon.xconf</tt>.</p>
+<pre>&lt;?xml version="1.0"?&gt;
+
+&lt;cocoon version="2.0"&gt;
+
+&lt;!-- ===================== General Components =========================== --&gt;
+
+  &lt;component role="org.apache.cocoon.components.parser.Parser" 
+             class="org.apache.cocoon.components.parser.JaxpParser"/&gt;
+  &lt;component role="org.apache.cocoon.components.store.Store"  
+             class="org.apache.cocoon.components.store.MemoryStore"/&gt;
+
+  &lt;component
+      role="org.apache.cocoon.components.language.programming.ProgrammingLanguageSelector"
+      class="org.apache.cocoon.CocoonComponentSelector"&gt;
+    &lt;component-instance name="java" 
+      class="org.apache.cocoon.components.language.programming.java.JavaLanguage"&gt;
+      &lt;parameter name="compiler" 
+      value="org.apache.cocoon.components.language.programming.java.Javac"/&gt;
+      &lt;parameter name="code-formatter" 
+      value="org.apache.cocoon.components.language.programming.java.JstyleFormatter"/&gt;
+      &lt;parameter name="class-loader" 
+      value="org.apache.cocoon.components.classloader.ClassLoaderManagerImpl"/&gt;
+    &lt;/component-instance&gt;
+  &lt;/component&gt;
+
+  &lt;component role="org.apache.cocoon.components.classloader.ClassLoaderManager" 
+      class="org.apache.cocoon.components.classloader.ClassLoaderManagerImpl"/&gt;
+
+  &lt;component
+      role="org.apache.cocoon.components.language.markup.MarkupLanguageSelector"
+      class="org.apache.cocoon.CocoonComponentSelector"&gt;
+    &lt;component-instance name="xsp" 
+        class="org.apache.cocoon.components.language.markup.xsp.XSPMarkupLanguage"&gt;
+      &lt;parameter name="prefix" value="xsp"/&gt;
+      &lt;parameter name="uri" value="http://apache.org/xsp"/&gt;
+
+      &lt;target-language name="java"&gt;
+        &lt;parameter name="core-logicsheet" 
+value="resource://org/apache/cocoon/components/language/markup/xsp/java/xsp.xsl"/&gt;
+
+        &lt;builtin-logicsheet&gt;
+          &lt;parameter name="prefix" value="xsp-request"/&gt;
+          &lt;parameter name="uri" value="http://apache.org/xsp/request/2.0"/&gt;
+          &lt;parameter name="href" 
+value="resource://org/apache/cocoon/components/language/markup/xsp/java/request.xsl"/&gt;
+        &lt;/builtin-logicsheet&gt;
+
+        &lt;builtin-logicsheet&gt;
+          &lt;parameter name="prefix" value="xsp-response"/&gt;
+          &lt;parameter name="uri" value="http://apache.org/xsp/response/2.0"/&gt;
+          &lt;parameter name="href" 
+value="resource://org/apache/cocoon/components/language/markup/xsp/java/response.xsl"/&gt;
+        &lt;/builtin-logicsheet&gt;
+      &lt;/target-language&gt;
+    &lt;/component-instance&gt;
+
+    &lt;component-instance name="sitemap" 
+       class="org.apache.cocoon.components.language.markup.sitemap.SitemapMarkupLanguage"&gt;
+      &lt;parameter name="prefix" value="map"/&gt;
+      &lt;parameter name="uri" value="http://apache.org/cocoon/sitemap/1.0"/&gt;
+
+      &lt;target-language name="java"&gt;
+        &lt;parameter name="core-logicsheet" 
+value="resource://org/apache/cocoon/components/language/markup/sitemap/java/sitemap.xsl"/&gt;
+      &lt;/target-language&gt;
+    &lt;/component-instance&gt;
+  &lt;/component&gt;
+
+  &lt;component role="org.apache.cocoon.components.language.generator.ProgramGenerator" 
+             class="org.apache.cocoon.components.language.generator.ProgramGeneratorImpl"&gt;
+    &lt;parameter name="auto-reload" value="true"/&gt;
+  &lt;/component&gt;
+
+  &lt;!-- these components is used as a PoolController for the sitemap component pools  --&gt;
+  &lt;component role="org.apache.avalon.util.pool.PoolController" 
+             class="org.apache.cocoon.util.ComponentPoolController"/&gt;
+
+  &lt;sitemap file="sitemap.xmap"/&gt; 
+&lt;/cocoon&gt;
+</pre>
+</div>
+<a name="N10052"></a><a name="The+sequence+of+things"></a>
+<h2 class="h3">The sequence of things</h2>
+<div class="section">
+<a name="N10056"></a><a name="Role+of+Tomcat"></a>
+<h3 class="h4">Role of Tomcat</h3>
+<p>The role of Tomcat is to initialize the CocoonServlet, and to receive the
+HttpRequest and pass it on to the CocoonServlet.</p>
+<a name="N1005C"></a><a name="Initialize+CocoonServlet"></a>
+<h4>Initialize CocoonServlet</h4>
+<p>This is done by calling <tt>CocoonServlet.init(ServletConfig)</tt>. This is
+the standard servlet way to initialize a servlet.</p>
+<a name="N10065"></a><a name="Pass+HttpRequest"></a>
+<h4>Pass HttpRequest</h4>
+<p>On reception of a HttpRequest, Tomcat calls
+<tt>CocoonServlet.service(HttpRequest, HttpResponse)</tt>. This is also
+standard.</p>
+<a name="N1006E"></a><a name="Initialization"></a>
+<h3 class="h4">Initialization</h3>
+<a name="N10072"></a><a name="Overview"></a>
+<h4>Overview</h4>
+<p>The steps that happen on initialization, are:</p>
+<a name="N10078"></a><a name="Find+the+classpath"></a>
+<h5>Find the classpath</h5>
+<p>Cocoon needs to know the classpath for compilation of the files it generates
+itself. This is where the classpath is stored.</p>
+<a name="N1007E"></a><a name="Find+the+init+file"></a>
+<h5>Find the init file</h5>
+<p>The init file (normally <tt>cocoon.xconf</tt>, as defined in
+<tt>${cocoon}/WEB-INF/web.xml</tt>) contains the necessary information for
+Cocoon to decide which classes to use for which roles (refer to
+<a href="../../2.1/developing/avalon.html">Avalon</a>).</p>
+<p>This is a feature that is added for increased configurability. If you were
+developing a one time solution, the information in this file would normally be
+hard coded, but the use of this file increases potential reusability.</p>
+<a name="N10090"></a><a name="Read+the+init+file"></a>
+<h5>Read the init file</h5>
+<p>The init file is an xml file (normally <tt>cocoon.xconf</tt>) which describes
+the classes to use for which roles.</p>
+<p>"Roles" are a concept of <a href="../../2.1/developing/avalon.html">Avalon</a>.</p>
+<p>The handling of <tt>cocoon.xconf</tt> goes as follows:</p>
+<ol>
+
+<li>Get the parser: This is something necessary for bootstrapping: cocoon.xconf
+contains the parser to be used by Cocoon, but cocoon.xconf is an xml file that
+has to be parsed itself. That's why Cocoon gets a default parser out of the
+System properties (this refers to the environment variable
+<tt>$org.apache.cocoon.components.parser.Parser</tt> of the OS). If no parser is
+defined in the environment, Cocoon will use
+<tt>org.apache.cocoon.components.parser.JaxpParser</tt> (a hard-coded default).
+</li>
+
+<li>Get the components: Cocoon uses roles (refer to
+<a href="../../2.1/developing/avalon.html">Avalon</a>) as its working classes. Each role is implemented
+by one or more real classes (components, again an <a href="../../2.1/developing/avalon.html">Avalon</a>
+concept). This is where they are retrieved.</li>
+
+<li>Get the sitemap: Here the location of the sitemap is retrieved. The actual
+compilation of the sitemap occurs in the HttpRequest handling.</li>
+
+</ol>
+<a name="N100BD"></a><a name="UML+sequence+diagram"></a>
+<h4>UML sequence diagram</h4>
+<p>You can find it <a href="../../2.1/">here</a>.</p>
+<a name="N100C7"></a><a name="HttpRequest+handling"></a>
+<h3 class="h4">HttpRequest handling</h3>
+<a name="N100CB"></a><a name="Overview-N100CB"></a>
+<h4>Overview</h4>
+<p>When the <tt>CocoonServlet</tt> gets a HttpRequest from the servlet engine,
+it sets up an <tt>Environment</tt> (a <tt>HttpEnvironment</tt> in this case) and
+passes that to <tt>Cocoon</tt>. The <tt>Environment</tt> exists of Request,
+Response, and some servlet info (such as requested URI and the servlet's path).
+</p>
+<p>This <tt>Cocoon</tt> object lets the <tt>Environment</tt> decide which
+sitemap to use, and passes the sitemap filename along with the
+<tt>Environment</tt> to a <tt>Manager</tt>.</p>
+<p>This one puts a <tt>Handler</tt> to work: it checks whether there already
+exists a <tt>Handler</tt> with a compiled version of the sitemap. If not, it
+creates one. This is what happens then:</p>
+<ol>
+
+<li>The <tt>Handler</tt> creates a <tt>File</tt> object with the asked URL.</li>
+
+<li>The <tt>Manager</tt> sets the <tt>Composable</tt> and the
+<tt>Configuration</tt> of the <tt>Handler</tt>. (These are
+<a href="../../2.1/developing/avalon.html">Avalon</a> things).</li>
+
+<li>If necessary, the <tt>Manager</tt> asks the <tt>Handler</tt> to regenerate
+its sitemap class. (FIXME: As of today, 2000-11-08, I'm not sure if the "if
+necessary" check is working). Regeneration exists in:
+<ol>
+
+<li>The <tt>Handler</tt> gets the <tt>"program-generator"</tt>
+<tt>Component</tt> from its <tt>Composable</tt>.</li>
+
+<li>The <tt>load()</tt> method of this <tt>ProgramGeneratorImpl</tt> is called.
+</li>
+
+<li>The <tt>ProgramGeneratorImpl</tt> gets the <tt>"markup-language"</tt> (in
+this case it will get a <tt>SitemapMarkupLanguage</tt>) and
+<tt>"programming-language"</tt> (being <tt>JavaLanguage</tt>)
+<tt>Component</tt>s.</li>
+
+<li>The <tt>ProgramGeneratorImpl</tt> asks the <tt>SitemapMarkupLanguage</tt>
+to generate code.</li>
+
+<li>Then it asks the <tt>JavaLanguage</tt> to load the code. The
+<tt>JavaLanguage</tt> does this by creating a <tt>Javac</tt> object, setting its
+variables, and asking it to compile. Then it loads the class.</li>
+
+<li>Then its back to the <tt>ProgramGeneratorImpl</tt> who tells the
+<tt>JavaLanguage</tt> to instantiate the just loaded class.</li>
+
+</ol>
+
+</li>
+
+<li>At last, the sitemapManager asks the <tt>Handler</tt> to process the
+<tt>Environment</tt>, and the <tt>Handler</tt> just forwards this request to the
+generated sitemap class.</li>
+
+</ol>
+<a name="N10177"></a><a name="UML+sequence+diagram-N10177"></a>
+<h4>UML sequence diagram</h4>
+<p>You can find it <a href="../../2.1/">here</a>.</p>
+</div>
+<a name="N10181"></a><a name="Description+of+classes"></a>
+<h2 class="h3">Description of classes</h2>
+<div class="section">
+<a name="N10185"></a><a name="CocoonServlet"></a>
+<h3 class="h4">CocoonServlet</h3>
+<p>
+<tt>org.apache.cocoon.servlet.CocoonServlet</tt>
+</p>
+<p>This is the contact point for the servlet engine. It sets up the environment
+and passes all the work to a Cocoon object.</p>
+<a name="N1018E"></a><a name="Cocoon"></a>
+<h3 class="h4">Cocoon</h3>
+<p>
+<tt>org.apache.cocoon.Cocoon</tt>
+</p>
+<p>While this sounds to be the most important part of the Cocoon application, it
+is not. It is merely a Composable, meaning that it does some administrative work
+and gets other classes to work.</p>
+<a name="N10197"></a><a name="ConfigurationBuilder"></a>
+<h3 class="h4">ConfigurationBuilder</h3>
+<p>
+<tt>org.apache.avalon.ConfigurationBuilder</tt>
+</p>
+<p>This one generates a Configuration out of a xml file.</p>
+<a name="N101A0"></a><a name="Parser"></a>
+<h3 class="h4">Parser</h3>
+<p>
+<tt>org.apache.cocoon.components.parser.Parser</tt>
+</p>
+<p>An interface that takes an xml file and throws SAX events to the outside.</p>
+<a name="N101A9"></a><a name="Configuration"></a>
+<h3 class="h4">Configuration</h3>
+<p>
+<tt>org.apache.avalon.Configuration</tt>
+</p>
+<p>This is an <a href="../../2.1/developing/avalon.html">Avalon</a> interface. It assigns classes to
+roles. If an object needs a class for a specific role, it can ask a
+Configuration which class it has to use.</p>
+<a name="N101B6"></a><a name="DefaultComponentManager"></a>
+<h3 class="h4">DefaultComponentManager</h3>
+<p>
+<tt>org.apache.avalon.DefaultComponentManager</tt>
+</p>
+<p>Something that manages <a href="../../2.1/developing/avalon.html">Avalon</a> Components.</p>
+<a name="N101C3"></a><a name="Manager"></a>
+<h3 class="h4">Manager</h3>
+<p>
+<tt>org.apache.cocoon.sitemap.Manager</tt>
+</p>
+<p>This one manages the sitemap: it finds out if there exists a Handler for a
+sitemap, and if not, makes sure that one gets created.</p>
+<a name="N101CC"></a><a name="Handler"></a>
+<h3 class="h4">Handler</h3>
+<p>
+<tt>org.apache.cocoon.sitemap.Handler</tt>
+</p>
+<p>A class that is responsible for dealing with sitemaps. It holds the
+sourcefile of the sitemap, and the compiled code for it. It checks whether the
+sitemap class that it contains is still valid, and if not, regenerates it.</p>
+<a name="N101D5"></a><a name="ProgramGenerator"></a>
+<h3 class="h4">ProgramGenerator</h3>
+<p>
+
+<tt>org.apache.cocoon.components.language.programming.ProgrammingLanguage</tt>
+
+</p>
+<p>Generates programs.</p>
+<a name="N101E0"></a><a name="SitemapMarkupLanguage"></a>
+<h3 class="h4">SitemapMarkupLanguage</h3>
+<p>
+
+<tt>org.apache.cocoon.components.language.markup.sitemap.SitemapMarkupLanguage</tt>
+
+</p>
+<p>This one knows the markup of the sitemap, and helps writing the source file
+of the sitemap class.</p>
+<a name="N101EB"></a><a name="JavaLanguage"></a>
+<h3 class="h4">JavaLanguage</h3>
+<p>
+<tt>org.apache.cocoon.components.language.programming.java.JavaLanguage</tt>
+
+</p>
+<p>This takes care for outputing Java code as source of the sitemap class.</p>
+<a name="N101F5"></a><a name="ResourcePipeline"></a>
+<h3 class="h4">ResourcePipeline</h3>
+<p>
+<tt>org.apache.cocoon.sitemap.ResourcePipeline</tt>
+</p>
+<p>Holds the various steps that have to be taken when executing a pipeline.</p>
+<div class="daisy-edit-link">
+<p>
+<em>Errors and Improvements?</em>
+                 If you see any errors or potential improvements in this document
+                 please help us:
+                <a class="external" href="http://cocoon.zones.apache.org/daisy/legacydocs/611">
+                  View, Edit or comment on
+                </a> the latest development version (registration required).
+              </p>
+</div>
+</div>
+</div>
+<!--+
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+    +-->
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