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From mattm...@apache.org
Subject [38/88] [abbrv] [partial] oodt git commit: Record change for OODT-836, OODT-837.
Date Mon, 17 Jul 2017 23:05:53 GMT
http://git-wip-us.apache.org/repos/asf/oodt/blob/098cc4fa/balance/modules/puny/libs/markdown.php
----------------------------------------------------------------------
diff --git a/balance/modules/puny/libs/markdown.php b/balance/modules/puny/libs/markdown.php
deleted file mode 100644
index 4fe0caa..0000000
--- a/balance/modules/puny/libs/markdown.php
+++ /dev/null
@@ -1,2949 +0,0 @@
-<?php
-/*
- * 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.
- */
-
-#
-# Markdown Extra  -  A text-to-HTML conversion tool for web writers
-#
-# PHP Markdown & Extra
-# Copyright (c) 2004-2012 Michel Fortin  
-# <http://michelf.com/projects/php-markdown/>
-#
-# Original Markdown
-# Copyright (c) 2004-2006 John Gruber  
-# <http://daringfireball.net/projects/markdown/>
-#
-
-
-define( 'MARKDOWN_VERSION',  "1.0.1o" ); # Sun 8 Jan 2012
-define( 'MARKDOWNEXTRA_VERSION',  "1.2.5" ); # Sun 8 Jan 2012
-
-
-#
-# Global default settings:
-#
-
-# Change to ">" for HTML output
-@define( 'MARKDOWN_EMPTY_ELEMENT_SUFFIX',  " />");
-
-# Define the width of a tab for code blocks.
-@define( 'MARKDOWN_TAB_WIDTH',     4 );
-
-# Optional title attribute for footnote links and backlinks.
-@define( 'MARKDOWN_FN_LINK_TITLE',         "" );
-@define( 'MARKDOWN_FN_BACKLINK_TITLE',     "" );
-
-# Optional class attribute for footnote links and backlinks.
-@define( 'MARKDOWN_FN_LINK_CLASS',         "" );
-@define( 'MARKDOWN_FN_BACKLINK_CLASS',     "" );
-
-
-#
-# WordPress settings:
-#
-
-# Change to false to remove Markdown from posts and/or comments.
-@define( 'MARKDOWN_WP_POSTS',      true );
-@define( 'MARKDOWN_WP_COMMENTS',   true );
-
-
-
-### Standard Function Interface ###
-
-@define( 'MARKDOWN_PARSER_CLASS',  'MarkdownExtra_Parser' );
-
-function Markdown($text) {
-#
-# Initialize the parser and return the result of its transform method.
-#
-	# Setup static parser variable.
-	static $parser;
-	if (!isset($parser)) {
-		$parser_class = MARKDOWN_PARSER_CLASS;
-		$parser = new $parser_class;
-	}
-
-	# Transform text using parser.
-	return $parser->transform($text);
-}
-
-
-### WordPress Plugin Interface ###
-
-/*
-Plugin Name: Markdown Extra
-Plugin URI: http://michelf.com/projects/php-markdown/
-Description: <a href="http://daringfireball.net/projects/markdown/syntax">Markdown syntax</a> allows you to write using an easy-to-read, easy-to-write plain text format. Based on the original Perl version by <a href="http://daringfireball.net/">John Gruber</a>. <a href="http://michelf.com/projects/php-markdown/">More...</a>
-Version: 1.2.5
-Author: Michel Fortin
-Author URI: http://michelf.com/
-*/
-
-if (isset($wp_version)) {
-	# More details about how it works here:
-	# <http://michelf.com/weblog/2005/wordpress-text-flow-vs-markdown/>
-	
-	# Post content and excerpts
-	# - Remove WordPress paragraph generator.
-	# - Run Markdown on excerpt, then remove all tags.
-	# - Add paragraph tag around the excerpt, but remove it for the excerpt rss.
-	if (MARKDOWN_WP_POSTS) {
-		remove_filter('the_content',     'wpautop');
-        remove_filter('the_content_rss', 'wpautop');
-		remove_filter('the_excerpt',     'wpautop');
-		add_filter('the_content',     'mdwp_MarkdownPost', 6);
-        add_filter('the_content_rss', 'mdwp_MarkdownPost', 6);
-		add_filter('get_the_excerpt', 'mdwp_MarkdownPost', 6);
-		add_filter('get_the_excerpt', 'trim', 7);
-		add_filter('the_excerpt',     'mdwp_add_p');
-		add_filter('the_excerpt_rss', 'mdwp_strip_p');
-		
-		remove_filter('content_save_pre',  'balanceTags', 50);
-		remove_filter('excerpt_save_pre',  'balanceTags', 50);
-		add_filter('the_content',  	  'balanceTags', 50);
-		add_filter('get_the_excerpt', 'balanceTags', 9);
-	}
-	
-	# Add a footnote id prefix to posts when inside a loop.
-	function mdwp_MarkdownPost($text) {
-		static $parser;
-		if (!$parser) {
-			$parser_class = MARKDOWN_PARSER_CLASS;
-			$parser = new $parser_class;
-		}
-		if (is_single() || is_page() || is_feed()) {
-			$parser->fn_id_prefix = "";
-		} else {
-			$parser->fn_id_prefix = get_the_ID() . ".";
-		}
-		return $parser->transform($text);
-	}
-	
-	# Comments
-	# - Remove WordPress paragraph generator.
-	# - Remove WordPress auto-link generator.
-	# - Scramble important tags before passing them to the kses filter.
-	# - Run Markdown on excerpt then remove paragraph tags.
-	if (MARKDOWN_WP_COMMENTS) {
-		remove_filter('comment_text', 'wpautop', 30);
-		remove_filter('comment_text', 'make_clickable');
-		add_filter('pre_comment_content', 'Markdown', 6);
-		add_filter('pre_comment_content', 'mdwp_hide_tags', 8);
-		add_filter('pre_comment_content', 'mdwp_show_tags', 12);
-		add_filter('get_comment_text',    'Markdown', 6);
-		add_filter('get_comment_excerpt', 'Markdown', 6);
-		add_filter('get_comment_excerpt', 'mdwp_strip_p', 7);
-	
-		global $mdwp_hidden_tags, $mdwp_placeholders;
-		$mdwp_hidden_tags = explode(' ',
-			'<p> </p> <pre> </pre> <ol> </ol> <ul> </ul> <li> </li>');
-		$mdwp_placeholders = explode(' ', str_rot13(
-			'pEj07ZbbBZ U1kqgh4w4p pre2zmeN6K QTi31t9pre ol0MP1jzJR '.
-			'ML5IjmbRol ulANi1NsGY J7zRLJqPul liA8ctl16T K9nhooUHli'));
-	}
-	
-	function mdwp_add_p($text) {
-		if (!preg_match('{^$|^<(p|ul|ol|dl|pre|blockquote)>}i', $text)) {
-			$text = '<p>'.$text.'</p>';
-			$text = preg_replace('{\n{2,}}', "</p>\n\n<p>", $text);
-		}
-		return $text;
-	}
-	
-	function mdwp_strip_p($t) { return preg_replace('{</?p>}i', '', $t); }
-
-	function mdwp_hide_tags($text) {
-		global $mdwp_hidden_tags, $mdwp_placeholders;
-		return str_replace($mdwp_hidden_tags, $mdwp_placeholders, $text);
-	}
-	function mdwp_show_tags($text) {
-		global $mdwp_hidden_tags, $mdwp_placeholders;
-		return str_replace($mdwp_placeholders, $mdwp_hidden_tags, $text);
-	}
-}
-
-
-### bBlog Plugin Info ###
-
-function identify_modifier_markdown() {
-	return array(
-		'name' => 'markdown',
-		'type' => 'modifier',
-		'nicename' => 'PHP Markdown Extra',
-		'description' => 'A text-to-HTML conversion tool for web writers',
-		'authors' => 'Michel Fortin and John Gruber',
-		'licence' => 'GPL',
-		'version' => MARKDOWNEXTRA_VERSION,
-		'help' => '<a href="http://daringfireball.net/projects/markdown/syntax">Markdown syntax</a> allows you to write using an easy-to-read, easy-to-write plain text format. Based on the original Perl version by <a href="http://daringfireball.net/">John Gruber</a>. <a href="http://michelf.com/projects/php-markdown/">More...</a>',
-		);
-}
-
-
-### Smarty Modifier Interface ###
-
-function smarty_modifier_markdown($text) {
-	return Markdown($text);
-}
-
-
-### Textile Compatibility Mode ###
-
-# Rename this file to "classTextile.php" and it can replace Textile everywhere.
-
-if (strcasecmp(substr(__FILE__, -16), "classTextile.php") == 0) {
-	# Try to include PHP SmartyPants. Should be in the same directory.
-	@include_once 'smartypants.php';
-	# Fake Textile class. It calls Markdown instead.
-	class Textile {
-		function TextileThis($text, $lite='', $encode='') {
-			if ($lite == '' && $encode == '')    $text = Markdown($text);
-			if (function_exists('SmartyPants'))  $text = SmartyPants($text);
-			return $text;
-		}
-		# Fake restricted version: restrictions are not supported for now.
-		function TextileRestricted($text, $lite='', $noimage='') {
-			return $this->TextileThis($text, $lite);
-		}
-		# Workaround to ensure compatibility with TextPattern 4.0.3.
-		function blockLite($text) { return $text; }
-	}
-}
-
-
-
-#
-# Markdown Parser Class
-#
-
-class Markdown_Parser {
-
-	# Regex to match balanced [brackets].
-	# Needed to insert a maximum bracked depth while converting to PHP.
-	var $nested_brackets_depth = 6;
-	var $nested_brackets_re;
-	
-	var $nested_url_parenthesis_depth = 4;
-	var $nested_url_parenthesis_re;
-
-	# Table of hash values for escaped characters:
-	var $escape_chars = '\`*_{}[]()>#+-.!';
-	var $escape_chars_re;
-
-	# Change to ">" for HTML output.
-	var $empty_element_suffix = MARKDOWN_EMPTY_ELEMENT_SUFFIX;
-	var $tab_width = MARKDOWN_TAB_WIDTH;
-	
-	# Change to `true` to disallow markup or entities.
-	var $no_markup = false;
-	var $no_entities = false;
-	
-	# Predefined urls and titles for reference links and images.
-	var $predef_urls = array();
-	var $predef_titles = array();
-
-
-	function Markdown_Parser() {
-	#
-	# Constructor function. Initialize appropriate member variables.
-	#
-		$this->_initDetab();
-		$this->prepareItalicsAndBold();
-	
-		$this->nested_brackets_re = 
-			str_repeat('(?>[^\[\]]+|\[', $this->nested_brackets_depth).
-			str_repeat('\])*', $this->nested_brackets_depth);
-	
-		$this->nested_url_parenthesis_re = 
-			str_repeat('(?>[^()\s]+|\(', $this->nested_url_parenthesis_depth).
-			str_repeat('(?>\)))*', $this->nested_url_parenthesis_depth);
-		
-		$this->escape_chars_re = '['.preg_quote($this->escape_chars).']';
-		
-		# Sort document, block, and span gamut in ascendent priority order.
-		asort($this->document_gamut);
-		asort($this->block_gamut);
-		asort($this->span_gamut);
-	}
-
-
-	# Internal hashes used during transformation.
-	var $urls = array();
-	var $titles = array();
-	var $html_hashes = array();
-	
-	# Status flag to avoid invalid nesting.
-	var $in_anchor = false;
-	
-	
-	function setup() {
-	#
-	# Called before the transformation process starts to setup parser 
-	# states.
-	#
-		# Clear global hashes.
-		$this->urls = $this->predef_urls;
-		$this->titles = $this->predef_titles;
-		$this->html_hashes = array();
-		
-		$in_anchor = false;
-	}
-	
-	function teardown() {
-	#
-	# Called after the transformation process to clear any variable 
-	# which may be taking up memory unnecessarly.
-	#
-		$this->urls = array();
-		$this->titles = array();
-		$this->html_hashes = array();
-	}
-
-
-	function transform($text) {
-	#
-	# Main function. Performs some preprocessing on the input text
-	# and pass it through the document gamut.
-	#
-		$this->setup();
-	
-		# Remove UTF-8 BOM and marker character in input, if present.
-		$text = preg_replace('{^\xEF\xBB\xBF|\x1A}', '', $text);
-
-		# Standardize line endings:
-		#   DOS to Unix and Mac to Unix
-		$text = preg_replace('{\r\n?}', "\n", $text);
-
-		# Make sure $text ends with a couple of newlines:
-		$text .= "\n\n";
-
-		# Convert all tabs to spaces.
-		$text = $this->detab($text);
-
-		# Turn block-level HTML blocks into hash entries
-		$text = $this->hashHTMLBlocks($text);
-
-		# Strip any lines consisting only of spaces and tabs.
-		# This makes subsequent regexen easier to write, because we can
-		# match consecutive blank lines with /\n+/ instead of something
-		# contorted like /[ ]*\n+/ .
-		$text = preg_replace('/^[ ]+$/m', '', $text);
-
-		# Run document gamut methods.
-		foreach ($this->document_gamut as $method => $priority) {
-			$text = $this->$method($text);
-		}
-		
-		$this->teardown();
-
-		return $text . "\n";
-	}
-	
-	var $document_gamut = array(
-		# Strip link definitions, store in hashes.
-		"stripLinkDefinitions" => 20,
-		
-		"runBasicBlockGamut"   => 30,
-		);
-
-
-	function stripLinkDefinitions($text) {
-	#
-	# Strips link definitions from text, stores the URLs and titles in
-	# hash references.
-	#
-		$less_than_tab = $this->tab_width - 1;
-
-		# Link defs are in the form: ^[id]: url "optional title"
-		$text = preg_replace_callback('{
-							^[ ]{0,'.$less_than_tab.'}\[(.+)\][ ]?:	# id = $1
-							  [ ]*
-							  \n?				# maybe *one* newline
-							  [ ]*
-							(?:
-							  <(.+?)>			# url = $2
-							|
-							  (\S+?)			# url = $3
-							)
-							  [ ]*
-							  \n?				# maybe one newline
-							  [ ]*
-							(?:
-								(?<=\s)			# lookbehind for whitespace
-								["(]
-								(.*?)			# title = $4
-								[")]
-								[ ]*
-							)?	# title is optional
-							(?:\n+|\Z)
-			}xm',
-			array(&$this, '_stripLinkDefinitions_callback'),
-			$text);
-		return $text;
-	}
-	function _stripLinkDefinitions_callback($matches) {
-		$link_id = strtolower($matches[1]);
-		$url = $matches[2] == '' ? $matches[3] : $matches[2];
-		$this->urls[$link_id] = $url;
-		$this->titles[$link_id] =& $matches[4];
-		return ''; # String that will replace the block
-	}
-
-
-	function hashHTMLBlocks($text) {
-		if ($this->no_markup)  return $text;
-
-		$less_than_tab = $this->tab_width - 1;
-
-		# Hashify HTML blocks:
-		# We only want to do this for block-level HTML tags, such as headers,
-		# lists, and tables. That's because we still want to wrap <p>s around
-		# "paragraphs" that are wrapped in non-block-level tags, such as anchors,
-		# phrase emphasis, and spans. The list of tags we're looking for is
-		# hard-coded:
-		#
-		# *  List "a" is made of tags which can be both inline or block-level.
-		#    These will be treated block-level when the start tag is alone on 
-		#    its line, otherwise they're not matched here and will be taken as 
-		#    inline later.
-		# *  List "b" is made of tags which are always block-level;
-		#
-		$block_tags_a_re = 'ins|del';
-		$block_tags_b_re = 'p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|address|'.
-						   'script|noscript|form|fieldset|iframe|math';
-
-		# Regular expression for the content of a block tag.
-		$nested_tags_level = 4;
-		$attr = '
-			(?>				# optional tag attributes
-			  \s			# starts with whitespace
-			  (?>
-				[^>"/]+		# text outside quotes
-			  |
-				/+(?!>)		# slash not followed by ">"
-			  |
-				"[^"]*"		# text inside double quotes (tolerate ">")
-			  |
-				\'[^\']*\'	# text inside single quotes (tolerate ">")
-			  )*
-			)?	
-			';
-		$content =
-			str_repeat('
-				(?>
-				  [^<]+			# content without tag
-				|
-				  <\2			# nested opening tag
-					'.$attr.'	# attributes
-					(?>
-					  />
-					|
-					  >', $nested_tags_level).	# end of opening tag
-					  '.*?'.					# last level nested tag content
-			str_repeat('
-					  </\2\s*>	# closing nested tag
-					)
-				  |				
-					<(?!/\2\s*>	# other tags with a different name
-				  )
-				)*',
-				$nested_tags_level);
-		$content2 = str_replace('\2', '\3', $content);
-
-		# First, look for nested blocks, e.g.:
-		# 	<div>
-		# 		<div>
-		# 		tags for inner block must be indented.
-		# 		</div>
-		# 	</div>
-		#
-		# The outermost tags must start at the left margin for this to match, and
-		# the inner nested divs must be indented.
-		# We need to do this before the next, more liberal match, because the next
-		# match will start at the first `<div>` and stop at the first `</div>`.
-		$text = preg_replace_callback('{(?>
-			(?>
-				(?<=\n\n)		# Starting after a blank line
-				|				# or
-				\A\n?			# the beginning of the doc
-			)
-			(						# save in $1
-
-			  # Match from `\n<tag>` to `</tag>\n`, handling nested tags 
-			  # in between.
-					
-						[ ]{0,'.$less_than_tab.'}
-						<('.$block_tags_b_re.')# start tag = $2
-						'.$attr.'>			# attributes followed by > and \n
-						'.$content.'		# content, support nesting
-						</\2>				# the matching end tag
-						[ ]*				# trailing spaces/tabs
-						(?=\n+|\Z)	# followed by a newline or end of document
-
-			| # Special version for tags of group a.
-
-						[ ]{0,'.$less_than_tab.'}
-						<('.$block_tags_a_re.')# start tag = $3
-						'.$attr.'>[ ]*\n	# attributes followed by >
-						'.$content2.'		# content, support nesting
-						</\3>				# the matching end tag
-						[ ]*				# trailing spaces/tabs
-						(?=\n+|\Z)	# followed by a newline or end of document
-					
-			| # Special case just for <hr />. It was easier to make a special 
-			  # case than to make the other regex more complicated.
-			
-						[ ]{0,'.$less_than_tab.'}
-						<(hr)				# start tag = $2
-						'.$attr.'			# attributes
-						/?>					# the matching end tag
-						[ ]*
-						(?=\n{2,}|\Z)		# followed by a blank line or end of document
-			
-			| # Special case for standalone HTML comments:
-			
-					[ ]{0,'.$less_than_tab.'}
-					(?s:
-						<!-- .*? -->
-					)
-					[ ]*
-					(?=\n{2,}|\Z)		# followed by a blank line or end of document
-			
-			| # PHP and ASP-style processor instructions (<? and <%)
-			
-					[ ]{0,'.$less_than_tab.'}
-					(?s:
-						<([?%])			# $2
-						.*?
-						\2>
-					)
-					[ ]*
-					(?=\n{2,}|\Z)		# followed by a blank line or end of document
-					
-			)
-			)}Sxmi',
-			array(&$this, '_hashHTMLBlocks_callback'),
-			$text);
-
-		return $text;
-	}
-	function _hashHTMLBlocks_callback($matches) {
-		$text = $matches[1];
-		$key  = $this->hashBlock($text);
-		return "\n\n$key\n\n";
-	}
-	
-	
-	function hashPart($text, $boundary = 'X') {
-	#
-	# Called whenever a tag must be hashed when a function insert an atomic 
-	# element in the text stream. Passing $text to through this function gives
-	# a unique text-token which will be reverted back when calling unhash.
-	#
-	# The $boundary argument specify what character should be used to surround
-	# the token. By convension, "B" is used for block elements that needs not
-	# to be wrapped into paragraph tags at the end, ":" is used for elements
-	# that are word separators and "X" is used in the general case.
-	#
-		# Swap back any tag hash found in $text so we do not have to `unhash`
-		# multiple times at the end.
-		$text = $this->unhash($text);
-		
-		# Then hash the block.
-		static $i = 0;
-		$key = "$boundary\x1A" . ++$i . $boundary;
-		$this->html_hashes[$key] = $text;
-		return $key; # String that will replace the tag.
-	}
-
-
-	function hashBlock($text) {
-	#
-	# Shortcut function for hashPart with block-level boundaries.
-	#
-		return $this->hashPart($text, 'B');
-	}
-
-
-	var $block_gamut = array(
-	#
-	# These are all the transformations that form block-level
-	# tags like paragraphs, headers, and list items.
-	#
-		"doHeaders"         => 10,
-		"doHorizontalRules" => 20,
-		
-		"doLists"           => 40,
-		"doCodeBlocks"      => 50,
-		"doBlockQuotes"     => 60,
-		);
-
-	function runBlockGamut($text) {
-	#
-	# Run block gamut tranformations.
-	#
-		# We need to escape raw HTML in Markdown source before doing anything 
-		# else. This need to be done for each block, and not only at the 
-		# begining in the Markdown function since hashed blocks can be part of
-		# list items and could have been indented. Indented blocks would have 
-		# been seen as a code block in a previous pass of hashHTMLBlocks.
-		$text = $this->hashHTMLBlocks($text);
-		
-		return $this->runBasicBlockGamut($text);
-	}
-	
-	function runBasicBlockGamut($text) {
-	#
-	# Run block gamut tranformations, without hashing HTML blocks. This is 
-	# useful when HTML blocks are known to be already hashed, like in the first
-	# whole-document pass.
-	#
-		foreach ($this->block_gamut as $method => $priority) {
-			$text = $this->$method($text);
-		}
-		
-		# Finally form paragraph and restore hashed blocks.
-		$text = $this->formParagraphs($text);
-
-		return $text;
-	}
-	
-	
-	function doHorizontalRules($text) {
-		# Do Horizontal Rules:
-		return preg_replace(
-			'{
-				^[ ]{0,3}	# Leading space
-				([-*_])		# $1: First marker
-				(?>			# Repeated marker group
-					[ ]{0,2}	# Zero, one, or two spaces.
-					\1			# Marker character
-				){2,}		# Group repeated at least twice
-				[ ]*		# Tailing spaces
-				$			# End of line.
-			}mx',
-			"\n".$this->hashBlock("<hr$this->empty_element_suffix")."\n", 
-			$text);
-	}
-
-
-	var $span_gamut = array(
-	#
-	# These are all the transformations that occur *within* block-level
-	# tags like paragraphs, headers, and list items.
-	#
-		# Process character escapes, code spans, and inline HTML
-		# in one shot.
-		"parseSpan"           => -30,
-
-		# Process anchor and image tags. Images must come first,
-		# because ![foo][f] looks like an anchor.
-		"doImages"            =>  10,
-		"doAnchors"           =>  20,
-		
-		# Make links out of things like `<http://example.com/>`
-		# Must come after doAnchors, because you can use < and >
-		# delimiters in inline links like [this](<url>).
-		"doAutoLinks"         =>  30,
-		"encodeAmpsAndAngles" =>  40,
-
-		"doItalicsAndBold"    =>  50,
-		"doHardBreaks"        =>  60,
-		);
-
-	function runSpanGamut($text) {
-	#
-	# Run span gamut tranformations.
-	#
-		foreach ($this->span_gamut as $method => $priority) {
-			$text = $this->$method($text);
-		}
-
-		return $text;
-	}
-	
-	
-	function doHardBreaks($text) {
-		# Do hard breaks:
-		return preg_replace_callback('/ {2,}\n/', 
-			array(&$this, '_doHardBreaks_callback'), $text);
-	}
-	function _doHardBreaks_callback($matches) {
-		return $this->hashPart("<br$this->empty_element_suffix\n");
-	}
-
-
-	function doAnchors($text) {
-	#
-	# Turn Markdown link shortcuts into XHTML <a> tags.
-	#
-		if ($this->in_anchor) return $text;
-		$this->in_anchor = true;
-		
-		#
-		# First, handle reference-style links: [link text] [id]
-		#
-		$text = preg_replace_callback('{
-			(					# wrap whole match in $1
-			  \[
-				('.$this->nested_brackets_re.')	# link text = $2
-			  \]
-
-			  [ ]?				# one optional space
-			  (?:\n[ ]*)?		# one optional newline followed by spaces
-
-			  \[
-				(.*?)		# id = $3
-			  \]
-			)
-			}xs',
-			array(&$this, '_doAnchors_reference_callback'), $text);
-
-		#
-		# Next, inline-style links: [link text](url "optional title")
-		#
-		$text = preg_replace_callback('{
-			(				# wrap whole match in $1
-			  \[
-				('.$this->nested_brackets_re.')	# link text = $2
-			  \]
-			  \(			# literal paren
-				[ \n]*
-				(?:
-					<(.+?)>	# href = $3
-				|
-					('.$this->nested_url_parenthesis_re.')	# href = $4
-				)
-				[ \n]*
-				(			# $5
-				  ([\'"])	# quote char = $6
-				  (.*?)		# Title = $7
-				  \6		# matching quote
-				  [ \n]*	# ignore any spaces/tabs between closing quote and )
-				)?			# title is optional
-			  \)
-			)
-			}xs',
-			array(&$this, '_doAnchors_inline_callback'), $text);
-
-		#
-		# Last, handle reference-style shortcuts: [link text]
-		# These must come last in case you've also got [link text][1]
-		# or [link text](/foo)
-		#
-		$text = preg_replace_callback('{
-			(					# wrap whole match in $1
-			  \[
-				([^\[\]]+)		# link text = $2; can\'t contain [ or ]
-			  \]
-			)
-			}xs',
-			array(&$this, '_doAnchors_reference_callback'), $text);
-
-		$this->in_anchor = false;
-		return $text;
-	}
-	function _doAnchors_reference_callback($matches) {
-		$whole_match =  $matches[1];
-		$link_text   =  $matches[2];
-		$link_id     =& $matches[3];
-
-		if ($link_id == "") {
-			# for shortcut links like [this][] or [this].
-			$link_id = $link_text;
-		}
-		
-		# lower-case and turn embedded newlines into spaces
-		$link_id = strtolower($link_id);
-		$link_id = preg_replace('{[ ]?\n}', ' ', $link_id);
-
-		if (isset($this->urls[$link_id])) {
-			$url = $this->urls[$link_id];
-			$url = $this->encodeAttribute($url);
-			
-			$result = "<a href=\"$url\"";
-			if ( isset( $this->titles[$link_id] ) ) {
-				$title = $this->titles[$link_id];
-				$title = $this->encodeAttribute($title);
-				$result .=  " title=\"$title\"";
-			}
-		
-			$link_text = $this->runSpanGamut($link_text);
-			$result .= ">$link_text</a>";
-			$result = $this->hashPart($result);
-		}
-		else {
-			$result = $whole_match;
-		}
-		return $result;
-	}
-	function _doAnchors_inline_callback($matches) {
-		$whole_match	=  $matches[1];
-		$link_text		=  $this->runSpanGamut($matches[2]);
-		$url			=  $matches[3] == '' ? $matches[4] : $matches[3];
-		$title			=& $matches[7];
-
-		$url = $this->encodeAttribute($url);
-
-		$result = "<a href=\"$url\"";
-		if (isset($title)) {
-			$title = $this->encodeAttribute($title);
-			$result .=  " title=\"$title\"";
-		}
-		
-		$link_text = $this->runSpanGamut($link_text);
-		$result .= ">$link_text</a>";
-
-		return $this->hashPart($result);
-	}
-
-
-	function doImages($text) {
-	#
-	# Turn Markdown image shortcuts into <img> tags.
-	#
-		#
-		# First, handle reference-style labeled images: ![alt text][id]
-		#
-		$text = preg_replace_callback('{
-			(				# wrap whole match in $1
-			  !\[
-				('.$this->nested_brackets_re.')		# alt text = $2
-			  \]
-
-			  [ ]?				# one optional space
-			  (?:\n[ ]*)?		# one optional newline followed by spaces
-
-			  \[
-				(.*?)		# id = $3
-			  \]
-
-			)
-			}xs', 
-			array(&$this, '_doImages_reference_callback'), $text);
-
-		#
-		# Next, handle inline images:  ![alt text](url "optional title")
-		# Don't forget: encode * and _
-		#
-		$text = preg_replace_callback('{
-			(				# wrap whole match in $1
-			  !\[
-				('.$this->nested_brackets_re.')		# alt text = $2
-			  \]
-			  \s?			# One optional whitespace character
-			  \(			# literal paren
-				[ \n]*
-				(?:
-					<(\S*)>	# src url = $3
-				|
-					('.$this->nested_url_parenthesis_re.')	# src url = $4
-				)
-				[ \n]*
-				(			# $5
-				  ([\'"])	# quote char = $6
-				  (.*?)		# title = $7
-				  \6		# matching quote
-				  [ \n]*
-				)?			# title is optional
-			  \)
-			)
-			}xs',
-			array(&$this, '_doImages_inline_callback'), $text);
-
-		return $text;
-	}
-	function _doImages_reference_callback($matches) {
-		$whole_match = $matches[1];
-		$alt_text    = $matches[2];
-		$link_id     = strtolower($matches[3]);
-
-		if ($link_id == "") {
-			$link_id = strtolower($alt_text); # for shortcut links like ![this][].
-		}
-
-		$alt_text = $this->encodeAttribute($alt_text);
-		if (isset($this->urls[$link_id])) {
-			$url = $this->encodeAttribute($this->urls[$link_id]);
-			$result = "<img src=\"$url\" alt=\"$alt_text\"";
-			if (isset($this->titles[$link_id])) {
-				$title = $this->titles[$link_id];
-				$title = $this->encodeAttribute($title);
-				$result .=  " title=\"$title\"";
-			}
-			$result .= $this->empty_element_suffix;
-			$result = $this->hashPart($result);
-		}
-		else {
-			# If there's no such link ID, leave intact:
-			$result = $whole_match;
-		}
-
-		return $result;
-	}
-	function _doImages_inline_callback($matches) {
-		$whole_match	= $matches[1];
-		$alt_text		= $matches[2];
-		$url			= $matches[3] == '' ? $matches[4] : $matches[3];
-		$title			=& $matches[7];
-
-		$alt_text = $this->encodeAttribute($alt_text);
-		$url = $this->encodeAttribute($url);
-		$result = "<img src=\"$url\" alt=\"$alt_text\"";
-		if (isset($title)) {
-			$title = $this->encodeAttribute($title);
-			$result .=  " title=\"$title\""; # $title already quoted
-		}
-		$result .= $this->empty_element_suffix;
-
-		return $this->hashPart($result);
-	}
-
-
-	function doHeaders($text) {
-		# Setext-style headers:
-		#	  Header 1
-		#	  ========
-		#  
-		#	  Header 2
-		#	  --------
-		#
-		$text = preg_replace_callback('{ ^(.+?)[ ]*\n(=+|-+)[ ]*\n+ }mx',
-			array(&$this, '_doHeaders_callback_setext'), $text);
-
-		# atx-style headers:
-		#	# Header 1
-		#	## Header 2
-		#	## Header 2 with closing hashes ##
-		#	...
-		#	###### Header 6
-		#
-		$text = preg_replace_callback('{
-				^(\#{1,6})	# $1 = string of #\'s
-				[ ]*
-				(.+?)		# $2 = Header text
-				[ ]*
-				\#*			# optional closing #\'s (not counted)
-				\n+
-			}xm',
-			array(&$this, '_doHeaders_callback_atx'), $text);
-
-		return $text;
-	}
-	function _doHeaders_callback_setext($matches) {
-		# Terrible hack to check we haven't found an empty list item.
-		if ($matches[2] == '-' && preg_match('{^-(?: |$)}', $matches[1]))
-			return $matches[0];
-		
-		$level = $matches[2]{0} == '=' ? 1 : 2;
-		$block = "<h$level>".$this->runSpanGamut($matches[1])."</h$level>";
-		return "\n" . $this->hashBlock($block) . "\n\n";
-	}
-	function _doHeaders_callback_atx($matches) {
-		$level = strlen($matches[1]);
-		$block = "<h$level>".$this->runSpanGamut($matches[2])."</h$level>";
-		return "\n" . $this->hashBlock($block) . "\n\n";
-	}
-
-
-	function doLists($text) {
-	#
-	# Form HTML ordered (numbered) and unordered (bulleted) lists.
-	#
-		$less_than_tab = $this->tab_width - 1;
-
-		# Re-usable patterns to match list item bullets and number markers:
-		$marker_ul_re  = '[*+-]';
-		$marker_ol_re  = '\d+[\.]';
-		$marker_any_re = "(?:$marker_ul_re|$marker_ol_re)";
-
-		$markers_relist = array(
-			$marker_ul_re => $marker_ol_re,
-			$marker_ol_re => $marker_ul_re,
-			);
-
-		foreach ($markers_relist as $marker_re => $other_marker_re) {
-			# Re-usable pattern to match any entirel ul or ol list:
-			$whole_list_re = '
-				(								# $1 = whole list
-				  (								# $2
-					([ ]{0,'.$less_than_tab.'})	# $3 = number of spaces
-					('.$marker_re.')			# $4 = first list item marker
-					[ ]+
-				  )
-				  (?s:.+?)
-				  (								# $5
-					  \z
-					|
-					  \n{2,}
-					  (?=\S)
-					  (?!						# Negative lookahead for another list item marker
-						[ ]*
-						'.$marker_re.'[ ]+
-					  )
-					|
-					  (?=						# Lookahead for another kind of list
-					    \n
-						\3						# Must have the same indentation
-						'.$other_marker_re.'[ ]+
-					  )
-				  )
-				)
-			'; // mx
-			
-			# We use a different prefix before nested lists than top-level lists.
-			# See extended comment in _ProcessListItems().
-		
-			if ($this->list_level) {
-				$text = preg_replace_callback('{
-						^
-						'.$whole_list_re.'
-					}mx',
-					array(&$this, '_doLists_callback'), $text);
-			}
-			else {
-				$text = preg_replace_callback('{
-						(?:(?<=\n)\n|\A\n?) # Must eat the newline
-						'.$whole_list_re.'
-					}mx',
-					array(&$this, '_doLists_callback'), $text);
-			}
-		}
-
-		return $text;
-	}
-	function _doLists_callback($matches) {
-		# Re-usable patterns to match list item bullets and number markers:
-		$marker_ul_re  = '[*+-]';
-		$marker_ol_re  = '\d+[\.]';
-		$marker_any_re = "(?:$marker_ul_re|$marker_ol_re)";
-		
-		$list = $matches[1];
-		$list_type = preg_match("/$marker_ul_re/", $matches[4]) ? "ul" : "ol";
-		
-		$marker_any_re = ( $list_type == "ul" ? $marker_ul_re : $marker_ol_re );
-		
-		$list .= "\n";
-		$result = $this->processListItems($list, $marker_any_re);
-		
-		$result = $this->hashBlock("<$list_type>\n" . $result . "</$list_type>");
-		return "\n". $result ."\n\n";
-	}
-
-	var $list_level = 0;
-
-	function processListItems($list_str, $marker_any_re) {
-	#
-	#	Process the contents of a single ordered or unordered list, splitting it
-	#	into individual list items.
-	#
-		# The $this->list_level global keeps track of when we're inside a list.
-		# Each time we enter a list, we increment it; when we leave a list,
-		# we decrement. If it's zero, we're not in a list anymore.
-		#
-		# We do this because when we're not inside a list, we want to treat
-		# something like this:
-		#
-		#		I recommend upgrading to version
-		#		8. Oops, now this line is treated
-		#		as a sub-list.
-		#
-		# As a single paragraph, despite the fact that the second line starts
-		# with a digit-period-space sequence.
-		#
-		# Whereas when we're inside a list (or sub-list), that line will be
-		# treated as the start of a sub-list. What a kludge, huh? This is
-		# an aspect of Markdown's syntax that's hard to parse perfectly
-		# without resorting to mind-reading. Perhaps the solution is to
-		# change the syntax rules such that sub-lists must start with a
-		# starting cardinal number; e.g. "1." or "a.".
-		
-		$this->list_level++;
-
-		# trim trailing blank lines:
-		$list_str = preg_replace("/\n{2,}\\z/", "\n", $list_str);
-
-		$list_str = preg_replace_callback('{
-			(\n)?							# leading line = $1
-			(^[ ]*)							# leading whitespace = $2
-			('.$marker_any_re.'				# list marker and space = $3
-				(?:[ ]+|(?=\n))	# space only required if item is not empty
-			)
-			((?s:.*?))						# list item text   = $4
-			(?:(\n+(?=\n))|\n)				# tailing blank line = $5
-			(?= \n* (\z | \2 ('.$marker_any_re.') (?:[ ]+|(?=\n))))
-			}xm',
-			array(&$this, '_processListItems_callback'), $list_str);
-
-		$this->list_level--;
-		return $list_str;
-	}
-	function _processListItems_callback($matches) {
-		$item = $matches[4];
-		$leading_line =& $matches[1];
-		$leading_space =& $matches[2];
-		$marker_space = $matches[3];
-		$tailing_blank_line =& $matches[5];
-
-		if ($leading_line || $tailing_blank_line || 
-			preg_match('/\n{2,}/', $item))
-		{
-			# Replace marker with the appropriate whitespace indentation
-			$item = $leading_space . str_repeat(' ', strlen($marker_space)) . $item;
-			$item = $this->runBlockGamut($this->outdent($item)."\n");
-		}
-		else {
-			# Recursion for sub-lists:
-			$item = $this->doLists($this->outdent($item));
-			$item = preg_replace('/\n+$/', '', $item);
-			$item = $this->runSpanGamut($item);
-		}
-
-		return "<li>" . $item . "</li>\n";
-	}
-
-
-	function doCodeBlocks($text) {
-	#
-	#	Process Markdown `<pre><code>` blocks.
-	#
-		$text = preg_replace_callback('{
-				(?:\n\n|\A\n?)
-				(	            # $1 = the code block -- one or more lines, starting with a space/tab
-				  (?>
-					[ ]{'.$this->tab_width.'}  # Lines must start with a tab or a tab-width of spaces
-					.*\n+
-				  )+
-				)
-				((?=^[ ]{0,'.$this->tab_width.'}\S)|\Z)	# Lookahead for non-space at line-start, or end of doc
-			}xm',
-			array(&$this, '_doCodeBlocks_callback'), $text);
-
-		return $text;
-	}
-	function _doCodeBlocks_callback($matches) {
-		$codeblock = $matches[1];
-
-		$codeblock = $this->outdent($codeblock);
-		$codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES);
-
-		# trim leading newlines and trailing newlines
-		$codeblock = preg_replace('/\A\n+|\n+\z/', '', $codeblock);
-
-		$codeblock = "<pre><code>$codeblock\n</code></pre>";
-		return "\n\n".$this->hashBlock($codeblock)."\n\n";
-	}
-
-
-	function makeCodeSpan($code) {
-	#
-	# Create a code span markup for $code. Called from handleSpanToken.
-	#
-		$code = htmlspecialchars(trim($code), ENT_NOQUOTES);
-		return $this->hashPart("<code>$code</code>");
-	}
-
-
-	var $em_relist = array(
-		''  => '(?:(?<!\*)\*(?!\*)|(?<!_)_(?!_))(?=\S|$)(?![\.,:;]\s)',
-		'*' => '(?<=\S|^)(?<!\*)\*(?!\*)',
-		'_' => '(?<=\S|^)(?<!_)_(?!_)',
-		);
-	var $strong_relist = array(
-		''   => '(?:(?<!\*)\*\*(?!\*)|(?<!_)__(?!_))(?=\S|$)(?![\.,:;]\s)',
-		'**' => '(?<=\S|^)(?<!\*)\*\*(?!\*)',
-		'__' => '(?<=\S|^)(?<!_)__(?!_)',
-		);
-	var $em_strong_relist = array(
-		''    => '(?:(?<!\*)\*\*\*(?!\*)|(?<!_)___(?!_))(?=\S|$)(?![\.,:;]\s)',
-		'***' => '(?<=\S|^)(?<!\*)\*\*\*(?!\*)',
-		'___' => '(?<=\S|^)(?<!_)___(?!_)',
-		);
-	var $em_strong_prepared_relist;
-	
-	function prepareItalicsAndBold() {
-	#
-	# Prepare regular expressions for searching emphasis tokens in any
-	# context.
-	#
-		foreach ($this->em_relist as $em => $em_re) {
-			foreach ($this->strong_relist as $strong => $strong_re) {
-				# Construct list of allowed token expressions.
-				$token_relist = array();
-				if (isset($this->em_strong_relist["$em$strong"])) {
-					$token_relist[] = $this->em_strong_relist["$em$strong"];
-				}
-				$token_relist[] = $em_re;
-				$token_relist[] = $strong_re;
-				
-				# Construct master expression from list.
-				$token_re = '{('. implode('|', $token_relist) .')}';
-				$this->em_strong_prepared_relist["$em$strong"] = $token_re;
-			}
-		}
-	}
-	
-	function doItalicsAndBold($text) {
-		$token_stack = array('');
-		$text_stack = array('');
-		$em = '';
-		$strong = '';
-		$tree_char_em = false;
-		
-		while (1) {
-			#
-			# Get prepared regular expression for seraching emphasis tokens
-			# in current context.
-			#
-			$token_re = $this->em_strong_prepared_relist["$em$strong"];
-			
-			#
-			# Each loop iteration search for the next emphasis token. 
-			# Each token is then passed to handleSpanToken.
-			#
-			$parts = preg_split($token_re, $text, 2, PREG_SPLIT_DELIM_CAPTURE);
-			$text_stack[0] .= $parts[0];
-			$token =& $parts[1];
-			$text =& $parts[2];
-			
-			if (empty($token)) {
-				# Reached end of text span: empty stack without emitting.
-				# any more emphasis.
-				while ($token_stack[0]) {
-					$text_stack[1] .= array_shift($token_stack);
-					$text_stack[0] .= array_shift($text_stack);
-				}
-				break;
-			}
-			
-			$token_len = strlen($token);
-			if ($tree_char_em) {
-				# Reached closing marker while inside a three-char emphasis.
-				if ($token_len == 3) {
-					# Three-char closing marker, close em and strong.
-					array_shift($token_stack);
-					$span = array_shift($text_stack);
-					$span = $this->runSpanGamut($span);
-					$span = "<strong><em>$span</em></strong>";
-					$text_stack[0] .= $this->hashPart($span);
-					$em = '';
-					$strong = '';
-				} else {
-					# Other closing marker: close one em or strong and
-					# change current token state to match the other
-					$token_stack[0] = str_repeat($token{0}, 3-$token_len);
-					$tag = $token_len == 2 ? "strong" : "em";
-					$span = $text_stack[0];
-					$span = $this->runSpanGamut($span);
-					$span = "<$tag>$span</$tag>";
-					$text_stack[0] = $this->hashPart($span);
-					$$tag = ''; # $$tag stands for $em or $strong
-				}
-				$tree_char_em = false;
-			} else if ($token_len == 3) {
-				if ($em) {
-					# Reached closing marker for both em and strong.
-					# Closing strong marker:
-					for ($i = 0; $i < 2; ++$i) {
-						$shifted_token = array_shift($token_stack);
-						$tag = strlen($shifted_token) == 2 ? "strong" : "em";
-						$span = array_shift($text_stack);
-						$span = $this->runSpanGamut($span);
-						$span = "<$tag>$span</$tag>";
-						$text_stack[0] .= $this->hashPart($span);
-						$$tag = ''; # $$tag stands for $em or $strong
-					}
-				} else {
-					# Reached opening three-char emphasis marker. Push on token 
-					# stack; will be handled by the special condition above.
-					$em = $token{0};
-					$strong = "$em$em";
-					array_unshift($token_stack, $token);
-					array_unshift($text_stack, '');
-					$tree_char_em = true;
-				}
-			} else if ($token_len == 2) {
-				if ($strong) {
-					# Unwind any dangling emphasis marker:
-					if (strlen($token_stack[0]) == 1) {
-						$text_stack[1] .= array_shift($token_stack);
-						$text_stack[0] .= array_shift($text_stack);
-					}
-					# Closing strong marker:
-					array_shift($token_stack);
-					$span = array_shift($text_stack);
-					$span = $this->runSpanGamut($span);
-					$span = "<strong>$span</strong>";
-					$text_stack[0] .= $this->hashPart($span);
-					$strong = '';
-				} else {
-					array_unshift($token_stack, $token);
-					array_unshift($text_stack, '');
-					$strong = $token;
-				}
-			} else {
-				# Here $token_len == 1
-				if ($em) {
-					if (strlen($token_stack[0]) == 1) {
-						# Closing emphasis marker:
-						array_shift($token_stack);
-						$span = array_shift($text_stack);
-						$span = $this->runSpanGamut($span);
-						$span = "<em>$span</em>";
-						$text_stack[0] .= $this->hashPart($span);
-						$em = '';
-					} else {
-						$text_stack[0] .= $token;
-					}
-				} else {
-					array_unshift($token_stack, $token);
-					array_unshift($text_stack, '');
-					$em = $token;
-				}
-			}
-		}
-		return $text_stack[0];
-	}
-
-
-	function doBlockQuotes($text) {
-		$text = preg_replace_callback('/
-			  (								# Wrap whole match in $1
-				(?>
-				  ^[ ]*>[ ]?			# ">" at the start of a line
-					.+\n					# rest of the first line
-				  (.+\n)*					# subsequent consecutive lines
-				  \n*						# blanks
-				)+
-			  )
-			/xm',
-			array(&$this, '_doBlockQuotes_callback'), $text);
-
-		return $text;
-	}
-	function _doBlockQuotes_callback($matches) {
-		$bq = $matches[1];
-		# trim one level of quoting - trim whitespace-only lines
-		$bq = preg_replace('/^[ ]*>[ ]?|^[ ]+$/m', '', $bq);
-		$bq = $this->runBlockGamut($bq);		# recurse
-
-		$bq = preg_replace('/^/m', "  ", $bq);
-		# These leading spaces cause problem with <pre> content, 
-		# so we need to fix that:
-		$bq = preg_replace_callback('{(\s*<pre>.+?</pre>)}sx', 
-			array(&$this, '_doBlockQuotes_callback2'), $bq);
-
-		return "\n". $this->hashBlock("<blockquote>\n$bq\n</blockquote>")."\n\n";
-	}
-	function _doBlockQuotes_callback2($matches) {
-		$pre = $matches[1];
-		$pre = preg_replace('/^  /m', '', $pre);
-		return $pre;
-	}
-
-
-	function formParagraphs($text) {
-	#
-	#	Params:
-	#		$text - string to process with html <p> tags
-	#
-		# Strip leading and trailing lines:
-		$text = preg_replace('/\A\n+|\n+\z/', '', $text);
-
-		$grafs = preg_split('/\n{2,}/', $text, -1, PREG_SPLIT_NO_EMPTY);
-
-		#
-		# Wrap <p> tags and unhashify HTML blocks
-		#
-		foreach ($grafs as $key => $value) {
-			if (!preg_match('/^B\x1A[0-9]+B$/', $value)) {
-				# Is a paragraph.
-				$value = $this->runSpanGamut($value);
-				$value = preg_replace('/^([ ]*)/', "<p>", $value);
-				$value .= "</p>";
-				$grafs[$key] = $this->unhash($value);
-			}
-			else {
-				# Is a block.
-				# Modify elements of @grafs in-place...
-				$graf = $value;
-				$block = $this->html_hashes[$graf];
-				$graf = $block;
-//				if (preg_match('{
-//					\A
-//					(							# $1 = <div> tag
-//					  <div  \s+
-//					  [^>]*
-//					  \b
-//					  markdown\s*=\s*  ([\'"])	#	$2 = attr quote char
-//					  1
-//					  \2
-//					  [^>]*
-//					  >
-//					)
-//					(							# $3 = contents
-//					.*
-//					)
-//					(</div>)					# $4 = closing tag
-//					\z
-//					}xs', $block, $matches))
-//				{
-//					list(, $div_open, , $div_content, $div_close) = $matches;
-//
-//					# We can't call Markdown(), because that resets the hash;
-//					# that initialization code should be pulled into its own sub, though.
-//					$div_content = $this->hashHTMLBlocks($div_content);
-//					
-//					# Run document gamut methods on the content.
-//					foreach ($this->document_gamut as $method => $priority) {
-//						$div_content = $this->$method($div_content);
-//					}
-//
-//					$div_open = preg_replace(
-//						'{\smarkdown\s*=\s*([\'"]).+?\1}', '', $div_open);
-//
-//					$graf = $div_open . "\n" . $div_content . "\n" . $div_close;
-//				}
-				$grafs[$key] = $graf;
-			}
-		}
-
-		return implode("\n\n", $grafs);
-	}
-
-
-	function encodeAttribute($text) {
-	#
-	# Encode text for a double-quoted HTML attribute. This function
-	# is *not* suitable for attributes enclosed in single quotes.
-	#
-		$text = $this->encodeAmpsAndAngles($text);
-		$text = str_replace('"', '&quot;', $text);
-		return $text;
-	}
-	
-	
-	function encodeAmpsAndAngles($text) {
-	#
-	# Smart processing for ampersands and angle brackets that need to 
-	# be encoded. Valid character entities are left alone unless the
-	# no-entities mode is set.
-	#
-		if ($this->no_entities) {
-			$text = str_replace('&', '&amp;', $text);
-		} else {
-			# Ampersand-encoding based entirely on Nat Irons's Amputator
-			# MT plugin: <http://bumppo.net/projects/amputator/>
-			$text = preg_replace('/&(?!#?[xX]?(?:[0-9a-fA-F]+|\w+);)/', 
-								'&amp;', $text);;
-		}
-		# Encode remaining <'s
-		$text = str_replace('<', '&lt;', $text);
-
-		return $text;
-	}
-
-
-	function doAutoLinks($text) {
-		$text = preg_replace_callback('{<((https?|ftp|dict):[^\'">\s]+)>}i', 
-			array(&$this, '_doAutoLinks_url_callback'), $text);
-
-		# Email addresses: <address@domain.foo>
-		$text = preg_replace_callback('{
-			<
-			(?:mailto:)?
-			(
-				(?:
-					[-!#$%&\'*+/=?^_`.{|}~\w\x80-\xFF]+
-				|
-					".*?"
-				)
-				\@
-				(?:
-					[-a-z0-9\x80-\xFF]+(\.[-a-z0-9\x80-\xFF]+)*\.[a-z]+
-				|
-					\[[\d.a-fA-F:]+\]	# IPv4 & IPv6
-				)
-			)
-			>
-			}xi',
-			array(&$this, '_doAutoLinks_email_callback'), $text);
-
-		return $text;
-	}
-	function _doAutoLinks_url_callback($matches) {
-		$url = $this->encodeAttribute($matches[1]);
-		$link = "<a href=\"$url\">$url</a>";
-		return $this->hashPart($link);
-	}
-	function _doAutoLinks_email_callback($matches) {
-		$address = $matches[1];
-		$link = $this->encodeEmailAddress($address);
-		return $this->hashPart($link);
-	}
-
-
-	function encodeEmailAddress($addr) {
-	#
-	#	Input: an email address, e.g. "foo@example.com"
-	#
-	#	Output: the email address as a mailto link, with each character
-	#		of the address encoded as either a decimal or hex entity, in
-	#		the hopes of foiling most address harvesting spam bots. E.g.:
-	#
-	#	  <p><a href="&#109;&#x61;&#105;&#x6c;&#116;&#x6f;&#58;&#x66;o&#111;
-	#        &#x40;&#101;&#x78;&#97;&#x6d;&#112;&#x6c;&#101;&#46;&#x63;&#111;
-	#        &#x6d;">&#x66;o&#111;&#x40;&#101;&#x78;&#97;&#x6d;&#112;&#x6c;
-	#        &#101;&#46;&#x63;&#111;&#x6d;</a></p>
-	#
-	#	Based by a filter by Matthew Wickline, posted to BBEdit-Talk.
-	#   With some optimizations by Milian Wolff.
-	#
-		$addr = "mailto:" . $addr;
-		$chars = preg_split('/(?<!^)(?!$)/', $addr);
-		$seed = (int)abs(crc32($addr) / strlen($addr)); # Deterministic seed.
-		
-		foreach ($chars as $key => $char) {
-			$ord = ord($char);
-			# Ignore non-ascii chars.
-			if ($ord < 128) {
-				$r = ($seed * (1 + $key)) % 100; # Pseudo-random function.
-				# roughly 10% raw, 45% hex, 45% dec
-				# '@' *must* be encoded. I insist.
-				if ($r > 90 && $char != '@') /* do nothing */;
-				else if ($r < 45) $chars[$key] = '&#x'.dechex($ord).';';
-				else              $chars[$key] = '&#'.$ord.';';
-			}
-		}
-		
-		$addr = implode('', $chars);
-		$text = implode('', array_slice($chars, 7)); # text without `mailto:`
-		$addr = "<a href=\"$addr\">$text</a>";
-
-		return $addr;
-	}
-
-
-	function parseSpan($str) {
-	#
-	# Take the string $str and parse it into tokens, hashing embeded HTML,
-	# escaped characters and handling code spans.
-	#
-		$output = '';
-		
-		$span_re = '{
-				(
-					\\\\'.$this->escape_chars_re.'
-				|
-					(?<![`\\\\])
-					`+						# code span marker
-			'.( $this->no_markup ? '' : '
-				|
-					<!--    .*?     -->		# comment
-				|
-					<\?.*?\?> | <%.*?%>		# processing instruction
-				|
-					<[/!$]?[-a-zA-Z0-9:_]+	# regular tags
-					(?>
-						\s
-						(?>[^"\'>]+|"[^"]*"|\'[^\']*\')*
-					)?
-					>
-			').'
-				)
-				}xs';
-
-		while (1) {
-			#
-			# Each loop iteration seach for either the next tag, the next 
-			# openning code span marker, or the next escaped character. 
-			# Each token is then passed to handleSpanToken.
-			#
-			$parts = preg_split($span_re, $str, 2, PREG_SPLIT_DELIM_CAPTURE);
-			
-			# Create token from text preceding tag.
-			if ($parts[0] != "") {
-				$output .= $parts[0];
-			}
-			
-			# Check if we reach the end.
-			if (isset($parts[1])) {
-				$output .= $this->handleSpanToken($parts[1], $parts[2]);
-				$str = $parts[2];
-			}
-			else {
-				break;
-			}
-		}
-		
-		return $output;
-	}
-	
-	
-	function handleSpanToken($token, &$str) {
-	#
-	# Handle $token provided by parseSpan by determining its nature and 
-	# returning the corresponding value that should replace it.
-	#
-		switch ($token{0}) {
-			case "\\":
-				return $this->hashPart("&#". ord($token{1}). ";");
-			case "`":
-				# Search for end marker in remaining text.
-				if (preg_match('/^(.*?[^`])'.preg_quote($token).'(?!`)(.*)$/sm', 
-					$str, $matches))
-				{
-					$str = $matches[2];
-					$codespan = $this->makeCodeSpan($matches[1]);
-					return $this->hashPart($codespan);
-				}
-				return $token; // return as text since no ending marker found.
-			default:
-				return $this->hashPart($token);
-		}
-	}
-
-
-	function outdent($text) {
-	#
-	# Remove one level of line-leading tabs or spaces
-	#
-		return preg_replace('/^(\t|[ ]{1,'.$this->tab_width.'})/m', '', $text);
-	}
-
-
-	# String length function for detab. `_initDetab` will create a function to 
-	# hanlde UTF-8 if the default function does not exist.
-	var $utf8_strlen = 'mb_strlen';
-	
-	function detab($text) {
-	#
-	# Replace tabs with the appropriate amount of space.
-	#
-		# For each line we separate the line in blocks delemited by
-		# tab characters. Then we reconstruct every line by adding the 
-		# appropriate number of space between each blocks.
-		
-		$text = preg_replace_callback('/^.*\t.*$/m',
-			array(&$this, '_detab_callback'), $text);
-
-		return $text;
-	}
-	function _detab_callback($matches) {
-		$line = $matches[0];
-		$strlen = $this->utf8_strlen; # strlen function for UTF-8.
-		
-		# Split in blocks.
-		$blocks = explode("\t", $line);
-		# Add each blocks to the line.
-		$line = $blocks[0];
-		unset($blocks[0]); # Do not add first block twice.
-		foreach ($blocks as $block) {
-			# Calculate amount of space, insert spaces, insert block.
-			$amount = $this->tab_width - 
-				$strlen($line, 'UTF-8') % $this->tab_width;
-			$line .= str_repeat(" ", $amount) . $block;
-		}
-		return $line;
-	}
-	function _initDetab() {
-	#
-	# Check for the availability of the function in the `utf8_strlen` property
-	# (initially `mb_strlen`). If the function is not available, create a 
-	# function that will loosely count the number of UTF-8 characters with a
-	# regular expression.
-	#
-		if (function_exists($this->utf8_strlen)) return;
-		$this->utf8_strlen = create_function('$text', 'return preg_match_all(
-			"/[\\\\x00-\\\\xBF]|[\\\\xC0-\\\\xFF][\\\\x80-\\\\xBF]*/", 
-			$text, $m);');
-	}
-
-
-	function unhash($text) {
-	#
-	# Swap back in all the tags hashed by _HashHTMLBlocks.
-	#
-		return preg_replace_callback('/(.)\x1A[0-9]+\1/', 
-			array(&$this, '_unhash_callback'), $text);
-	}
-	function _unhash_callback($matches) {
-		return $this->html_hashes[$matches[0]];
-	}
-
-}
-
-
-#
-# Markdown Extra Parser Class
-#
-
-class MarkdownExtra_Parser extends Markdown_Parser {
-
-	# Prefix for footnote ids.
-	var $fn_id_prefix = "";
-	
-	# Optional title attribute for footnote links and backlinks.
-	var $fn_link_title = MARKDOWN_FN_LINK_TITLE;
-	var $fn_backlink_title = MARKDOWN_FN_BACKLINK_TITLE;
-	
-	# Optional class attribute for footnote links and backlinks.
-	var $fn_link_class = MARKDOWN_FN_LINK_CLASS;
-	var $fn_backlink_class = MARKDOWN_FN_BACKLINK_CLASS;
-	
-	# Predefined abbreviations.
-	var $predef_abbr = array();
-
-
-	function MarkdownExtra_Parser() {
-	#
-	# Constructor function. Initialize the parser object.
-	#
-		# Add extra escapable characters before parent constructor 
-		# initialize the table.
-		$this->escape_chars .= ':|';
-		
-		# Insert extra document, block, and span transformations. 
-		# Parent constructor will do the sorting.
-		$this->document_gamut += array(
-			"doFencedCodeBlocks" => 5,
-			"stripFootnotes"     => 15,
-			"stripAbbreviations" => 25,
-			"appendFootnotes"    => 50,
-			);
-		$this->block_gamut += array(
-			"doFencedCodeBlocks" => 5,
-			"doTables"           => 15,
-			"doDefLists"         => 45,
-			);
-		$this->span_gamut += array(
-			"doFootnotes"        => 5,
-			"doAbbreviations"    => 70,
-			);
-		
-		parent::Markdown_Parser();
-	}
-	
-	
-	# Extra variables used during extra transformations.
-	var $footnotes = array();
-	var $footnotes_ordered = array();
-	var $abbr_desciptions = array();
-	var $abbr_word_re = '';
-	
-	# Give the current footnote number.
-	var $footnote_counter = 1;
-	
-	
-	function setup() {
-	#
-	# Setting up Extra-specific variables.
-	#
-		parent::setup();
-		
-		$this->footnotes = array();
-		$this->footnotes_ordered = array();
-		$this->abbr_desciptions = array();
-		$this->abbr_word_re = '';
-		$this->footnote_counter = 1;
-		
-		foreach ($this->predef_abbr as $abbr_word => $abbr_desc) {
-			if ($this->abbr_word_re)
-				$this->abbr_word_re .= '|';
-			$this->abbr_word_re .= preg_quote($abbr_word);
-			$this->abbr_desciptions[$abbr_word] = trim($abbr_desc);
-		}
-	}
-	
-	function teardown() {
-	#
-	# Clearing Extra-specific variables.
-	#
-		$this->footnotes = array();
-		$this->footnotes_ordered = array();
-		$this->abbr_desciptions = array();
-		$this->abbr_word_re = '';
-		
-		parent::teardown();
-	}
-	
-	
-	### HTML Block Parser ###
-	
-	# Tags that are always treated as block tags:
-	var $block_tags_re = 'p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|address|form|fieldset|iframe|hr|legend';
-	
-	# Tags treated as block tags only if the opening tag is alone on it's line:
-	var $context_block_tags_re = 'script|noscript|math|ins|del';
-	
-	# Tags where markdown="1" default to span mode:
-	var $contain_span_tags_re = 'p|h[1-6]|li|dd|dt|td|th|legend|address';
-	
-	# Tags which must not have their contents modified, no matter where 
-	# they appear:
-	var $clean_tags_re = 'script|math';
-	
-	# Tags that do not need to be closed.
-	var $auto_close_tags_re = 'hr|img';
-	
-
-	function hashHTMLBlocks($text) {
-	#
-	# Hashify HTML Blocks and "clean tags".
-	#
-	# We only want to do this for block-level HTML tags, such as headers,
-	# lists, and tables. That's because we still want to wrap <p>s around
-	# "paragraphs" that are wrapped in non-block-level tags, such as anchors,
-	# phrase emphasis, and spans. The list of tags we're looking for is
-	# hard-coded.
-	#
-	# This works by calling _HashHTMLBlocks_InMarkdown, which then calls
-	# _HashHTMLBlocks_InHTML when it encounter block tags. When the markdown="1" 
-	# attribute is found whitin a tag, _HashHTMLBlocks_InHTML calls back
-	#  _HashHTMLBlocks_InMarkdown to handle the Markdown syntax within the tag.
-	# These two functions are calling each other. It's recursive!
-	#
-		#
-		# Call the HTML-in-Markdown hasher.
-		#
-		list($text, ) = $this->_hashHTMLBlocks_inMarkdown($text);
-		
-		return $text;
-	}
-	function _hashHTMLBlocks_inMarkdown($text, $indent = 0, 
-										$enclosing_tag_re = '', $span = false)
-	{
-	#
-	# Parse markdown text, calling _HashHTMLBlocks_InHTML for block tags.
-	#
-	# *   $indent is the number of space to be ignored when checking for code 
-	#     blocks. This is important because if we don't take the indent into 
-	#     account, something like this (which looks right) won't work as expected:
-	#
-	#     <div>
-	#         <div markdown="1">
-	#         Hello World.  <-- Is this a Markdown code block or text?
-	#         </div>  <-- Is this a Markdown code block or a real tag?
-	#     <div>
-	#
-	#     If you don't like this, just don't indent the tag on which
-	#     you apply the markdown="1" attribute.
-	#
-	# *   If $enclosing_tag_re is not empty, stops at the first unmatched closing 
-	#     tag with that name. Nested tags supported.
-	#
-	# *   If $span is true, text inside must treated as span. So any double 
-	#     newline will be replaced by a single newline so that it does not create 
-	#     paragraphs.
-	#
-	# Returns an array of that form: ( processed text , remaining text )
-	#
-		if ($text === '') return array('', '');
-
-		# Regex to check for the presense of newlines around a block tag.
-		$newline_before_re = '/(?:^\n?|\n\n)*$/';
-		$newline_after_re = 
-			'{
-				^						# Start of text following the tag.
-				(?>[ ]*<!--.*?-->)?		# Optional comment.
-				[ ]*\n					# Must be followed by newline.
-			}xs';
-		
-		# Regex to match any tag.
-		$block_tag_re =
-			'{
-				(					# $2: Capture hole tag.
-					</?					# Any opening or closing tag.
-						(?>				# Tag name.
-							'.$this->block_tags_re.'			|
-							'.$this->context_block_tags_re.'	|
-							'.$this->clean_tags_re.'        	|
-							(?!\s)'.$enclosing_tag_re.'
-						)
-						(?:
-							(?=[\s"\'/a-zA-Z0-9])	# Allowed characters after tag name.
-							(?>
-								".*?"		|	# Double quotes (can contain `>`)
-								\'.*?\'   	|	# Single quotes (can contain `>`)
-								.+?				# Anything but quotes and `>`.
-							)*?
-						)?
-					>					# End of tag.
-				|
-					<!--    .*?     -->	# HTML Comment
-				|
-					<\?.*?\?> | <%.*?%>	# Processing instruction
-				|
-					<!\[CDATA\[.*?\]\]>	# CData Block
-				|
-					# Code span marker
-					`+
-				'. ( !$span ? ' # If not in span.
-				|
-					# Indented code block
-					(?: ^[ ]*\n | ^ | \n[ ]*\n )
-					[ ]{'.($indent+4).'}[^\n]* \n
-					(?>
-						(?: [ ]{'.($indent+4).'}[^\n]* | [ ]* ) \n
-					)*
-				|
-					# Fenced code block marker
-					(?> ^ | \n )
-					[ ]{0,'.($indent).'}~~~+[ ]*\n
-				' : '' ). ' # End (if not is span).
-				)
-			}xs';
-
-		
-		$depth = 0;		# Current depth inside the tag tree.
-		$parsed = "";	# Parsed text that will be returned.
-
-		#
-		# Loop through every tag until we find the closing tag of the parent
-		# or loop until reaching the end of text if no parent tag specified.
-		#
-		do {
-			#
-			# Split the text using the first $tag_match pattern found.
-			# Text before  pattern will be first in the array, text after
-			# pattern will be at the end, and between will be any catches made 
-			# by the pattern.
-			#
-			$parts = preg_split($block_tag_re, $text, 2, 
-								PREG_SPLIT_DELIM_CAPTURE);
-			
-			# If in Markdown span mode, add a empty-string span-level hash 
-			# after each newline to prevent triggering any block element.
-			if ($span) {
-				$void = $this->hashPart("", ':');
-				$newline = "$void\n";
-				$parts[0] = $void . str_replace("\n", $newline, $parts[0]) . $void;
-			}
-			
-			$parsed .= $parts[0]; # Text before current tag.
-			
-			# If end of $text has been reached. Stop loop.
-			if (count($parts) < 3) {
-				$text = "";
-				break;
-			}
-			
-			$tag  = $parts[1]; # Tag to handle.
-			$text = $parts[2]; # Remaining text after current tag.
-			$tag_re = preg_quote($tag); # For use in a regular expression.
-			
-			#
-			# Check for: Code span marker
-			#
-			if ($tag{0} == "`") {
-				# Find corresponding end marker.
-				$tag_re = preg_quote($tag);
-				if (preg_match('{^(?>.+?|\n(?!\n))*?(?<!`)'.$tag_re.'(?!`)}',
-					$text, $matches))
-				{
-					# End marker found: pass text unchanged until marker.
-					$parsed .= $tag . $matches[0];
-					$text = substr($text, strlen($matches[0]));
-				}
-				else {
-					# Unmatched marker: just skip it.
-					$parsed .= $tag;
-				}
-			}
-			#
-			# Check for: Fenced code block marker.
-			#
-			else if (preg_match('{^\n?[ ]{0,'.($indent+3).'}~}', $tag)) {
-				# Fenced code block marker: find matching end marker.
-				$tag_re = preg_quote(trim($tag));
-				if (preg_match('{^(?>.*\n)+?[ ]{0,'.($indent).'}'.$tag_re.'[ ]*\n}', $text, 
-					$matches)) 
-				{
-					# End marker found: pass text unchanged until marker.
-					$parsed .= $tag . $matches[0];
-					$text = substr($text, strlen($matches[0]));
-				}
-				else {
-					# No end marker: just skip it.
-					$parsed .= $tag;
-				}
-			}
-			#
-			# Check for: Indented code block.
-			#
-			else if ($tag{0} == "\n" || $tag{0} == " ") {
-				# Indented code block: pass it unchanged, will be handled 
-				# later.
-				$parsed .= $tag;
-			}
-			#
-			# Check for: Opening Block level tag or
-			#            Opening Context Block tag (like ins and del) 
-			#               used as a block tag (tag is alone on it's line).
-			#
-			else if (preg_match('{^<(?:'.$this->block_tags_re.')\b}', $tag) ||
-				(	preg_match('{^<(?:'.$this->context_block_tags_re.')\b}', $tag) &&
-					preg_match($newline_before_re, $parsed) &&
-					preg_match($newline_after_re, $text)	)
-				)
-			{
-				# Need to parse tag and following text using the HTML parser.
-				list($block_text, $text) = 
-					$this->_hashHTMLBlocks_inHTML($tag . $text, "hashBlock", true);
-				
-				# Make sure it stays outside of any paragraph by adding newlines.
-				$parsed .= "\n\n$block_text\n\n";
-			}
-			#
-			# Check for: Clean tag (like script, math)
-			#            HTML Comments, processing instructions.
-			#
-			else if (preg_match('{^<(?:'.$this->clean_tags_re.')\b}', $tag) ||
-				$tag{1} == '!' || $tag{1} == '?')
-			{
-				# Need to parse tag and following text using the HTML parser.
-				# (don't check for markdown attribute)
-				list($block_text, $text) = 
-					$this->_hashHTMLBlocks_inHTML($tag . $text, "hashClean", false);
-				
-				$parsed .= $block_text;
-			}
-			#
-			# Check for: Tag with same name as enclosing tag.
-			#
-			else if ($enclosing_tag_re !== '' &&
-				# Same name as enclosing tag.
-				preg_match('{^</?(?:'.$enclosing_tag_re.')\b}', $tag))
-			{
-				#
-				# Increase/decrease nested tag count.
-				#
-				if ($tag{1} == '/')						$depth--;
-				else if ($tag{strlen($tag)-2} != '/')	$depth++;
-
-				if ($depth < 0) {
-					#
-					# Going out of parent element. Clean up and break so we
-					# return to the calling function.
-					#
-					$text = $tag . $text;
-					break;
-				}
-				
-				$parsed .= $tag;
-			}
-			else {
-				$parsed .= $tag;
-			}
-		} while ($depth >= 0);
-		
-		return array($parsed, $text);
-	}
-	function _hashHTMLBlocks_inHTML($text, $hash_method, $md_attr) {
-	#
-	# Parse HTML, calling _HashHTMLBlocks_InMarkdown for block tags.
-	#
-	# *   Calls $hash_method to convert any blocks.
-	# *   Stops when the first opening tag closes.
-	# *   $md_attr indicate if the use of the `markdown="1"` attribute is allowed.
-	#     (it is not inside clean tags)
-	#
-	# Returns an array of that form: ( processed text , remaining text )
-	#
-		if ($text === '') return array('', '');
-		
-		# Regex to match `markdown` attribute inside of a tag.
-		$markdown_attr_re = '
-			{
-				\s*			# Eat whitespace before the `markdown` attribute
-				markdown
-				\s*=\s*
-				(?>
-					(["\'])		# $1: quote delimiter		
-					(.*?)		# $2: attribute value
-					\1			# matching delimiter	
-				|
-					([^\s>]*)	# $3: unquoted attribute value
-				)
-				()				# $4: make $3 always defined (avoid warnings)
-			}xs';
-		
-		# Regex to match any tag.
-		$tag_re = '{
-				(					# $2: Capture hole tag.
-					</?					# Any opening or closing tag.
-						[\w:$]+			# Tag name.
-						(?:
-							(?=[\s"\'/a-zA-Z0-9])	# Allowed characters after tag name.
-							(?>
-								".*?"		|	# Double quotes (can contain `>`)
-								\'.*?\'   	|	# Single quotes (can contain `>`)
-								.+?				# Anything but quotes and `>`.
-							)*?
-						)?
-					>					# End of tag.
-				|
-					<!--    .*?     -->	# HTML Comment
-				|
-					<\?.*?\?> | <%.*?%>	# Processing instruction
-				|
-					<!\[CDATA\[.*?\]\]>	# CData Block
-				)
-			}xs';
-		
-		$original_text = $text;		# Save original text in case of faliure.
-		
-		$depth		= 0;	# Current depth inside the tag tree.
-		$block_text	= "";	# Temporary text holder for current text.
-		$parsed		= "";	# Parsed text that will be returned.
-
-		#
-		# Get the name of the starting tag.
-		# (This pattern makes $base_tag_name_re safe without quoting.)
-		#
-		if (preg_match('/^<([\w:$]*)\b/', $text, $matches))
-			$base_tag_name_re = $matches[1];
-
-		#
-		# Loop through every tag until we find the corresponding closing tag.
-		#
-		do {
-			#
-			# Split the text using the first $tag_match pattern found.
-			# Text before  pattern will be first in the array, text after
-			# pattern will be at the end, and between will be any catches made 
-			# by the pattern.
-			#
-			$parts = preg_split($tag_re, $text, 2, PREG_SPLIT_DELIM_CAPTURE);
-			
-			if (count($parts) < 3) {
-				#
-				# End of $text reached with unbalenced tag(s).
-				# In that case, we return original text unchanged and pass the
-				# first character as filtered to prevent an infinite loop in the 
-				# parent function.
-				#
-				return array($original_text{0}, substr($original_text, 1));
-			}
-			
-			$block_text .= $parts[0]; # Text before current tag.
-			$tag         = $parts[1]; # Tag to handle.
-			$text        = $parts[2]; # Remaining text after current tag.
-			
-			#
-			# Check for: Auto-close tag (like <hr/>)
-			#			 Comments and Processing Instructions.
-			#
-			if (preg_match('{^</?(?:'.$this->auto_close_tags_re.')\b}', $tag) ||
-				$tag{1} == '!' || $tag{1} == '?')
-			{
-				# Just add the tag to the block as if it was text.
-				$block_text .= $tag;
-			}
-			else {
-				#
-				# Increase/decrease nested tag count. Only do so if
-				# the tag's name match base tag's.
-				#
-				if (preg_match('{^</?'.$base_tag_name_re.'\b}', $tag)) {
-					if ($tag{1} == '/')						$depth--;
-					else if ($tag{strlen($tag)-2} != '/')	$depth++;
-				}
-				
-				#
-				# Check for `markdown="1"` attribute and handle it.
-				#
-				if ($md_attr && 
-					preg_match($markdown_attr_re, $tag, $attr_m) &&
-					preg_match('/^1|block|span$/', $attr_m[2] . $attr_m[3]))
-				{
-					# Remove `markdown` attribute from opening tag.
-					$tag = preg_replace($markdown_attr_re, '', $tag);
-					
-					# Check if text inside this tag must be parsed in span mode.
-					$this->mode = $attr_m[2] . $attr_m[3];
-					$span_mode = $this->mode == 'span' || $this->mode != 'block' &&
-						preg_match('{^<(?:'.$this->contain_span_tags_re.')\b}', $tag);
-					
-					# Calculate indent before tag.
-					if (preg_match('/(?:^|\n)( *?)(?! ).*?$/', $block_text, $matches)) {
-						$strlen = $this->utf8_strlen;
-						$indent = $strlen($matches[1], 'UTF-8');
-					} else {
-						$indent = 0;
-					}
-					
-					# End preceding block with this tag.
-					$block_text .= $tag;
-					$parsed .= $this->$hash_method($block_text);
-					
-					# Get enclosing tag name for the ParseMarkdown function.
-					# (This pattern makes $tag_name_re safe without quoting.)
-					preg_match('/^<([\w:$]*)\b/', $tag, $matches);
-					$tag_name_re = $matches[1];
-					
-					# Parse the content using the HTML-in-Markdown parser.
-					list ($block_text, $text)
-						= $this->_hashHTMLBlocks_inMarkdown($text, $indent, 
-							$tag_name_re, $span_mode);
-					
-					# Outdent markdown text.
-					if ($indent > 0) {
-						$block_text = preg_replace("/^[ ]{1,$indent}/m", "", 
-													$block_text);
-					}
-					
-					# Append tag content to parsed text.
-					if (!$span_mode)	$parsed .= "\n\n$block_text\n\n";
-					else				$parsed .= "$block_text";
-					
-					# Start over a new block.
-					$block_text = "";
-				}
-				else $block_text .= $tag;
-			}
-			
-		} while ($depth > 0);
-		
-		#
-		# Hash last block text that wasn't processed inside the loop.
-		#
-		$parsed .= $this->$hash_method($block_text);
-		
-		return array($parsed, $text);
-	}
-
-
-	function hashClean($text) {
-	#
-	# Called whenever a tag must be hashed when a function insert a "clean" tag
-	# in $text, it pass through this function and is automaticaly escaped, 
-	# blocking invalid nested overlap.
-	#
-		return $this->hashPart($text, 'C');
-	}
-
-
-	function doHeaders($text) {
-	#
-	# Redefined to add id attribute support.
-	#
-		# Setext-style headers:
-		#	  Header 1  {#header1}
-		#	  ========
-		#  
-		#	  Header 2  {#header2}
-		#	  --------
-		#
-		$text = preg_replace_callback(
-			'{
-				(^.+?)								# $1: Header text
-				(?:[ ]+\{\#([-_:a-zA-Z0-9]+)\})?	# $2: Id attribute
-				[ ]*\n(=+|-+)[ ]*\n+				# $3: Header footer
-			}mx',
-			array(&$this, '_doHeaders_callback_setext'), $text);
-
-		# atx-style headers:
-		#	# Header 1        {#header1}
-		#	## Header 2       {#header2}
-		#	## Header 2 with closing hashes ##  {#header3}
-		#	...
-		#	###### Header 6   {#header2}
-		#
-		$text = preg_replace_callback('{
-				^(\#{1,6})	# $1 = string of #\'s
-				[ ]*
-				(.+?)		# $2 = Header text
-				[ ]*
-				\#*			# optional closing #\'s (not counted)
-				(?:[ ]+\{\#([-_:a-zA-Z0-9]+)\})? # id attribute
-				[ ]*
-				\n+
-			}xm',
-			array(&$this, '_doHeaders_callback_atx'), $text);
-
-		return $text;
-	}
-	function _doHeaders_attr($attr) {
-		if (empty($attr))  return "";
-		return " id=\"$attr\"";
-	}
-	function _doHeaders_callback_setext($matches) {
-		if ($matches[3] == '-' && preg_match('{^- }', $matches[1]))
-			return $matches[0];
-		$level = $matches[3]{0} == '=' ? 1 : 2;
-		$attr  = $this->_doHeaders_attr($id =& $matches[2]);
-		$block = "<h$level$attr>".$this->runSpanGamut($matches[1])."</h$level>";
-		return "\n" . $this->hashBlock($block) . "\n\n";
-	}
-	function _doHeaders_callback_atx($matches) {
-		$level = strlen($matches[1]);
-		$attr  = $this->_doHeaders_attr($id =& $matches[3]);
-		$block = "<h$level$attr>".$this->runSpanGamut($matches[2])."</h$level>";
-		return "\n" . $this->hashBlock($block) . "\n\n";
-	}
-
-
-	function doTables($text) {
-	#
-	# Form HTML tables.
-	#
-		$less_than_tab = $this->tab_width - 1;
-		#
-		# Find tables with leading pipe.
-		#
-		#	| Header 1 | Header 2
-		#	| -------- | --------
-		#	| Cell 1   | Cell 2
-		#	| Cell 3   | Cell 4
-		#
-		$text = preg_replace_callback('
-			{
-				^							# Start of a line
-				[ ]{0,'.$less_than_tab.'}	# Allowed whitespace.
-				[|]							# Optional leading pipe (present)
-				(.+) \n						# $1: Header row (at least one pipe)
-				
-				[ ]{0,'.$less_than_tab.'}	# Allowed whitespace.
-				[|] ([ ]*[-:]+[-| :]*) \n	# $2: Header underline
-				
-				(							# $3: Cells
-					(?>
-						[ ]*				# Allowed whitespace.
-						[|] .* \n			# Row content.
-					)*
-				)
-				(?=\n|\Z)					# Stop at final double newline.
-			}xm',
-			array(&$this, '_doTable_leadingPipe_callback'), $text);
-		
-		#
-		# Find tables without leading pipe.
-		#
-		#	Header 1 | Header 2
-		#	-------- | --------
-		#	Cell 1   | Cell 2
-		#	Cell 3   | Cell 4
-		#
-		$text = preg_replace_callback('
-			{
-				^							# Start of a line
-				[ ]{0,'.$less_than_tab.'}	# Allowed whitespace.
-				(\S.*[|].*) \n				# $1: Header row (at least one pipe)
-				
-				[ ]{0,'.$less_than_tab.'}	# Allowed whitespace.
-				([-:]+[ ]*[|][-| :]*) \n	# $2: Header underline
-				
-				(							# $3: Cells
-					(?>
-						.* [|] .* \n		# Row content
-					)*
-				)
-				(?=\n|\Z)					# Stop at final double newline.
-			}xm',
-			array(&$this, '_DoTable_callback'), $text);
-
-		return $text;
-	}
-	function _doTable_leadingPipe_callback($matches) {
-		$head		= $matches[1];
-		$underline	= $matches[2];
-		$content	= $matches[3];
-		
-		# Remove leading pipe for each row.
-		$content	= preg_replace('/^ *[|]/m', '', $content);
-		
-		return $this->_doTable_callback(array($matches[0], $head, $underline, $content));
-	}
-	function _doTable_callback($matches) {
-		$head		= $matches[1];
-		$underline	= $matches[2];
-		$content	= $matches[3];
-
-		# Remove any tailing pipes for each line.
-		$head		= preg_replace('/[|] *$/m', '', $head);
-		$underline	= preg_replace('/[|] *$/m', '', $underline);
-		$content	= preg_replace('/[|] *$/m', '', $content);
-		
-		# Reading alignement from header underline.
-		$separators	= preg_split('/ *[|] */', $underline);
-		foreach ($separators as $n => $s) {
-			if (preg_match('/^ *-+: *$/', $s))		$attr[$n] = ' align="right"';
-			else if (preg_match('/^ *:-+: *$/', $s))$attr[$n] = ' align="center"';
-			else if (preg_match('/^ *:-+ *$/', $s))	$attr[$n] = ' align="left"';
-			else									$attr[$n] = '';
-		}
-		
-		# Parsing span elements, including code spans, character escapes, 
-		# and inline HTML tags, so that pipes inside those gets ignored.
-		$head		= $this->parseSpan($head);
-		$headers	= preg_split('/ *[|] */', $head);
-		$col_count	= count($headers);
-		
-		# Write column headers.
-		$text = "<table>\n";
-		$text .= "<thead>\n";
-		$text .= "<tr>\n";
-		foreach ($headers as $n => $header)
-			$text .= "  <th$attr[$n]>".$this->runSpanGamut(trim($header))."</th>\n";
-		$text .= "</tr>\n";
-		$text .= "</thead>\n";
-		
-		# Split content by row.
-		$rows = explode("\n", trim($content, "\n"));
-		
-		$text .= "<tbody>\n";
-		foreach ($rows as $row) {
-			# Parsing span elements, including code spans, character escapes, 
-			# and inline HTML tags, so that pipes inside those gets ignored.
-			$row = $this->parseSpan($row);
-			
-			# Split row by cell.
-			$row_cells = preg_split('/ *[|] */', $row, $col_count);
-			$row_cells = array_pad($row_cells, $col_count, '');
-			
-			$text .= "<tr>\n";
-			foreach ($row_cells as $n => $cell)
-				$text .= "  <td$attr[$n]>".$this->runSpanGamut(trim($cell))."</td>\n";
-			$text .= "</tr>\n";
-		}
-		$text .= "</tbody>\n";
-		$text .= "</table>";
-		
-		return $this->hashBlock($text) . "\n";
-	}
-
-	
-	function doDefLists($text) {
-	#
-	# Form HTML definition lists.
-	#
-		$less_than_tab = $this->tab_width - 1;
-
-		# Re-usable pattern to match any entire dl list:
-		$whole_list_re = '(?>
-			(								# $1 = whole list
-			  (								# $2
-				[ ]{0,'.$less_than_tab.'}
-				((?>.*\S.*\n)+)				# $3 = defined term
-				\n?
-				[ ]{0,'.$less_than_tab.'}:[ ]+ # colon starting definition
-			  )
-			  (?s:.+?)
-			  (								# $4
-				  \z
-				|
-				  \n{2,}
-				  (?=\S)
-				  (?!						# Negative lookahead for another term
-					[ ]{0,'.$less_than_tab.'}
-					(?: \S.*\n )+?			# defined term
-					\n?
-					[ ]{0,'.$less_than_tab.'}:[ ]+ # colon starting definition
-				  )
-				  (?!						# Negative lookahead for another definition
-					[ ]{0,'.$less_than_tab.'}:[ ]+ # colon starting definition
-				  )
-			  )
-			)
-		)'; // mx
-
-		$text = preg_replace_callback('{
-				(?>\A\n?|(?<=\n\n))
-				'.$whole_list_re.'
-			}mx',
-			array(&$this, '_doDefLists_callback'), $text);
-
-		return $text;
-	}
-	function _doDefLists_callback($matches) {
-		# Re-usable patterns to match list item bullets and number markers:
-		$list = $matches[1];
-		
-		# Turn double returns into triple returns, so that we can make a
-		# paragraph for the last item in a list, if necessary:
-		$result = trim($this->processDefListItems($list));
-		$result = "<dl>\n" . $result . "\n</dl>";
-		return $this->hashBlock($result) . "\n\n";
-	}
-
-
-	function processDefListItems($list_str) {
-	#
-	#	Process the contents of a single definition list, splitting it
-	#	into individual term and definition list items.
-	#
-		$less_than_tab = $this->tab_width - 1;
-		
-		# trim trailing blank lines:
-		$list_str = preg_replace("/\n{2,}\\z/", "\n", $list_str);
-
-		# Process definition terms.
-		$list_str = preg_replace_callback('{
-			(?>\A\n?|\n\n+)					# leading line
-			(								# definition terms = $1
-				[ ]{0,'.$less_than_tab.'}	# leading whitespace
-				(?![:][ ]|[ ])				# negative lookahead for a definition 
-											#   mark (colon) or more whitespace.
-				(?> \S.* \n)+?				# actual term (not whitespace).	
-			)			
-			(?=\n?[ ]{0,3}:[ ])				# lookahead for following line feed 
-											#   with a definition mark.
-			}xm',
-			array(&$this, '_processDefListItems_callback_dt'), $list_str);
-
-		# Process actual definitions.
-		$list_str = preg_replace_callback('{
-			\n(\n+)?						# leading line = $1
-			(								# marker space = $2
-				[ ]{0,'.$less_than_tab.'}	# whitespace before colon
-				[:][ ]+						# definition mark (colon)
-			)
-			((?s:.+?))						# definition text = $3
-			(?= \n+ 						# stop at next definition mark,
-				(?:							# next term or end of text
-					[ ]{0,'.$less_than_tab.'} [:][ ]	|
-					<dt> | \z
-				)						
-			)					
-			}xm',
-			array(&$this, '_processDefListItems_callback_dd'), $list_str);
-
-		return $list_str;
-	}
-	function _processDefListItems_callback_dt($matches) {
-		$terms = explode("\n", trim($matches[1]));
-		$text = '';
-		foreach ($terms as $term) {
-			$term = $this->runSpanGamut(trim($term));
-			$text .= "\n<dt>" . $term . "</dt>";
-		}
-		return $text . "\n";
-	}
-	function _processDefListItems_callback_dd($matches) {
-		$leading_line	= $matches[1];
-		$marker_space	= $matches[2];
-		$def			= $matches[3];
-
-		if ($leading_line || preg_match('/\n{2,}/', $def)) {
-			# Replace marker with the appropriate whitespace indentation
-			$def = str_repeat(' ', strlen($marker_space)) . $def;
-			$def = $this->runBlockGamut($this->outdent($def . "\n\n"));
-			$def = "\n". $def ."\n";
-		}
-		else {
-			$def = rtrim($def);
-			$def = $this->runSpanGamut($this->outdent($def));
-		}
-
-		return "\n<dd>" . $def . "</dd>\n";
-	}
-
-
-	function doFencedCodeBlocks($text) {
-	#
-	# Adding the fenced code block syntax to regular Markdown:
-	#
-	# ~~~
-	# Code block
-	# ~~~
-	#
-		$less_than_tab = $this->tab_width;
-		
-		$text = preg_replace_callback('{
-				(?:\n|\A)
-				# 1: Opening marker
-				(
-					~{3,} # Marker: three tilde or more.
-				)
-				[ ]* \n # Whitespace and newline following marker.
-				
-				# 2: Content
-				(
-					(?>
-						(?!\1 [ ]* \n)	# Not a closing marker.
-						.*\n+
-					)+
-				)
-				
-				# Closing marker.
-				\1 [ ]* \n
-			}xm',
-			array(&$this, '_doFencedCodeBlocks_callback'), $text);
-
-		return $text;
-	}
-	function _doFencedCodeBlocks_callback($matches) {
-		$codeblock = $matches[2];
-		$codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES);
-		$codeblock = preg_replace_callback('/^\n+/',
-			array(&$this, '_doFencedCodeBlocks_newlines'), $codeblock);
-		$codeblock = "<pre><code>$codeblock</code></pre>";
-		return "\n\n".$this->hashBlock($codeblock)."\n\n";
-	}
-	function _doFencedCodeBlocks_newlines($matches) {
-		return str_repeat("<br$this->empty_element_suffix", 
-			strlen($matches[0]));
-	}
-
-
-	#
-	# Redefining emphasis markers so that emphasis by underscore does not
-	# work in the middle of a word.
-	#
-	var $em_relist = array(
-		''  => '(?:(?<!\*)\*(?!\*)|(?<![a-zA-Z0-9_])_(?!_))(?=\S|$)(?![\.,:;]\s)',
-		'*' => '(?<=\S|^)(?<!\*)\*(?!\*)',
-		'_' => '(?<=\S|^)(?<!_)_(?![a-zA-Z0-9_])',
-		);
-	var $strong_relist = array(
-		''   => '(?:(?<!\*)\*\*(?!\*)|(?<![a-zA-Z0-9_])__(?!_))(?=\S|$)(?![\.,:;]\s)',
-		'**' => '(?<=\S|^)(?<!\*)\*\*(?!\*)',
-		'__' => '(?<=\S|^)(?<!_)__(?![a-zA-Z0-9_])',
-		);
-	var $em_strong_relist = array(
-		''    => '(?:(?<!\*)\*\*\*(?!\*)|(?<![a-zA-Z0-9_])___(?!_))(?=\S|$)(?![\.,:;]\s)',
-		'***' => '(?<=\S|^)(?<!\*)\*\*\*(?!\*)',
-		'___' => '(?<=\S|^)(?<!_)___(?![a-zA-Z0-9_])',
-		);
-
-
-	function formParagraphs($text) {
-	#
-	#	Params:
-	#		$text - string to process with html <p> tags
-	#
-		# Strip leading and trailing lines:
-		$text = preg_replace('/\A\n+|\n+\z/', '', $text);
-		
-		$grafs = preg_split('/\n{2,}/', $text, -1, PREG_SPLIT_NO_EMPTY);
-
-		#
-		# Wrap <p> tags and unhashify HTML blocks
-		#
-		foreach ($grafs as $key => $value) {
-			$value = trim($this->runSpanGamut($value));
-			
-			# Check if this should be enclosed in a paragraph.
-			# Clean tag hashes & block tag hashes are left alone.
-			$is_p = !preg_match('/^B\x1A[0-9]+B|^C\x1A[0-9]+C$/', $value);
-			
-			if ($is_p) {
-				$value = "<p>$value</p>";
-			}
-			$grafs[$key] = $value;
-		}
-		
-		# Join grafs in one text, then unhash HTML tags. 
-		$text = implode("\n\n", $grafs);
-		
-		# Finish by removing any tag hashes still present in $text.
-		$text = $this->unhash($text);
-		
-		return $text;
-	}
-	
-	
-	### Footnotes
-	
-	function stripFootnotes($text) {
-	#
-	# Strips link definitions from text, stores the URLs and titles in
-	# hash references.
-	#
-		$less_than_tab = $this->tab_width - 1;
-
-		# Link defs are in the form: [^id]: url "optional title"
-		$text = preg_replace_callback('{
-			^[ ]{0,'.$less_than_tab.'}\[\^(.+?)\][ ]?:	# note_id = $1
-			  [ ]*
-			  \n?					# maybe *one* newline
-			(						# text = $2 (no blank lines allowed)
-				(?:					
-					.+				# actual text
-				|
-					\n				# newlines but 
-					(?!\[\^.+?\]:\s)# negative lookahead for footnote marker.
-					(?!\n+[ ]{0,3}\S)# ensure line is not blank and followed 
-									# by non-indented content
-				)*
-			)		
-			}xm',
-			array(&$this, '_stripFootnotes_callback'),
-			$text);
-		return $text;
-	}
-	function _stripFootnotes_callback($matches) {
-		$note_id = $this->fn_id_prefix . $matches[1];
-		$this->footnotes[$note_id] = $this->outdent($matches[2]);
-		return ''; # String that will replace the block
-	}
-
-
-	function doFootnotes($text) {
-	#
-	# Replace footnote references in $text [^id] with a special text-token 
-	# which will be replaced by the actual footnote marker in appendFootnotes.
-	#
-		if (!$this->in_anchor) {
-			$text = preg_replace('{\[\^(.+?)\]}', "F\x1Afn:\\1\x1A:", $text);
-		}
-		return $text;
-	}
-
-	
-	function appendFootnotes($text) {
-	#
-	# Append footnote list to text.
-	#
-		$text = preg_replace_callback('{F\x1Afn:(.*?)\x1A:}', 
-			array(&$this, '_appendFootnotes_callback'), $text);
-	
-		if (!empty($this->footnotes_ordered)) {
-			$text .= "\n\n";
-			$text .= "<div class=\"footnotes\">\n";
-			$text .= "<hr". $this->empty_element_suffix ."\n";
-			$text .= "<ol>\n\n";
-			
-			$attr = " rev=\"footnote\"";
-			if ($this->fn_backlink_class != "") {
-				$class = $this->fn_backlink_class;
-				$class = $this->encodeAttribute($class);
-				$attr .= " class=\"$class\"";
-			}
-			if ($this->fn_backlink_title != "") {
-				$title = $this->fn_backlink_title;
-				$title = $this->encodeAttribute($title);
-				$attr .= " title=\"$title\"";
-			}
-			$num = 0;
-			
-			while (!empty($this->footnotes_ordered)) {
-				$footnote = reset($this->footnotes_ordered);
-				$note_id = key($this->footnotes_ordered);
-				unset($this->footnotes_ordered[$note_id]);
-				
-				$footnote .= "\n"; # Need to append newline before parsing.
-				$footnote = $this->runBlockGamut("$footnote\n");				
-				$footnote = preg_replace_callback('{F\x1Afn:(.*?)\x1A:}', 
-					array(&$this, '_appendFootnotes_callback'), $footnote);
-				
-				$attr = str_replace("%%", ++$num, $attr);
-				$note_id = $this->encodeAttribute($note_id);
-				
-				# Add backlink to last paragraph; create new paragraph if needed.
-				$backlink = "<a href=\"#fnref:$note_id\"$attr>&#8617;</a>";
-				if (preg_match('{</p>$}', $footnote)) {
-					$footnote = substr($footnote, 0, -4) . "&#160;$backlink</p>";
-				} else {
-					$footnote .= "\n\n<p>$backlink</p>";
-				}
-				
-				$text .= "<li id=\"fn:$note_id\">\n";
-				$text .= $footnote . "\n";
-				$text .= "</li>\n\n";
-			}
-			
-			$text .= "</ol>\n";
-			$text .= "</div>";
-		}
-		return $text;
-	}
-	function _appendFootnotes_callback($matches) {
-		$node_id = $this->fn_id_prefix . $matches[1];
-		
-		# Create footnote marker only if it has a corresponding footnote *and*
-		# the footnote hasn't been used by another marker.
-		if (isset($this->footnotes[$node_id])) {
-			# Transfert footnote content to the ordered list.
-			$this->footnotes_ordered[$node_id] = $this->footnotes[$node_id];
-			unset($this->footnotes[$node_id]);
-			
-			$num = $this->footnote_counter++;
-			$attr = " rel=\"footnote\"";
-			if ($this->fn_link_class != "") {
-				$class = $this->fn_link_class;
-				$class = $this->encodeAttribute($class);
-				$attr .= " class=\"$class\"";
-			}
-			if ($this->fn_link_title != "") {
-				$title = $this->fn_link_title;
-				$title = $this->encodeAttribute($title);
-				$attr .= " title=\"$title\"";
-			}
-			
-			$attr = str_replace("%%", $num, $attr);
-			$node_id = $this->encodeAttribute($node_id);
-			
-			return
-				"<sup id=\"fnref:$node_id\">".
-				"<a href=\"#fn:$node_id\"$attr>$num</a>".
-				"</sup>";
-		}
-		
-		return "[^".$matches[1]."]";
-	}
-		
-	
-	### Abbreviations ###
-	
-	function stripAbbreviations($text) {
-	#
-	# Strips abbreviations from text, stores titles in hash references.
-	#
-		$less_than_tab = $this->tab_width - 1;
-
-		# Link defs are in the form: [id]*: url "optional title"
-		$text = preg_replace_callback('{
-			^[ ]{0,'.$less_than_tab.'}\*\[(.+?)\][ ]?:	# abbr_id = $1
-			(.*)					# text = $2 (no blank lines allowed)	
-			}xm',
-			array(&$this, '_stripAbbreviations_callback'),
-			$text);
-		return $text;
-	}
-	function _stripAbbreviations_callback($matches) {
-		$abbr_word = $matches[1];
-		$abbr_desc = $matches[2];
-		if ($this->abbr_word_re)
-			$this->abbr_word_re .= '|';
-		$this->abbr_word_re .= preg_quote($abbr_word);
-		$this->abbr_desciptions[$abbr_word] = trim($abbr_desc);
-		return ''; # String that will replace the block
-	}
-	
-	
-	function doAbbreviations($text) {
-	#
-	# Find defined abbreviations in text and wrap them in <abbr> elements.
-	#
-		if ($this->abbr_word_re) {
-			// cannot use the /x modifier because abbr_word_re may 
-			// contain significant spaces:
-			$text = preg_replace_callback('{'.
-				'(?<![\w\x1A])'.
-				'(?:'.$this->abbr_word_re.')'.
-				'(?![\w\x1A])'.
-				'}', 
-				array(&$this, '_doAbbreviations_callback'), $text);
-		}
-		return $text;
-	}
-	function _doAbbreviations_callback($matches) {
-		$abbr = $matches[0];
-		if (isset($this->abbr_desciptions[$abbr])) {
-			$desc = $this->abbr_desciptions[$abbr];
-			if (empty($desc)) {
-				return $this->hashPart("<abbr>$abbr</abbr>");
-			} else {
-				$desc = $this->encodeAttribute($desc);
-				return $this->hashPart("<abbr title=\"$desc\">$abbr</abbr>");
-			}
-		} else {
-			return $matches[0];
-		}
-	}
-
-}
-
-
-/*
-
-PHP Markdown Extra
-==================
-
-Description
------------
-
-This is a PHP port of the original Markdown formatter written in Perl 
-by John Gruber. This special "Extra" version of PHP Markdown features 
-further enhancements to the syntax for making additional constructs 
-such as tables and definition list.
-
-Markdown is a text-to-HTML filter; it translates an easy-to-read /
-easy-to-write structured text format into HTML. Markdown's text format
-is most similar to that of plain text email, and supports features such
-as headers, *emphasis*, code blocks, blockquotes, and links.
-
-Markdown's syntax is designed not as a generic markup language, but
-specifically to serve as a front-end to (X)HTML. You can use span-level
-HTML tags anywhere in a Markdown document, and you can use block level
-HTML tags (like <div> and <table> as well).
-
-For more information about Markdown's syntax, see:
-
-<http://daringfireball.net/projects/markdown/>
-
-
-Bugs
-----
-
-To file bug reports please send email to:
-
-<michel.fortin@michelf.com>
-
-Please include with your report: (1) the example input; (2) the output you
-expected; (3) the output Markdown actually produced.
-
-
-Version History
---------------- 
-
-See the readme file for detailed release notes for this version.
-
-
-Copyright and License
----------------------
-
-PHP Markdown & Extra  
-Copyright (c) 2004-2009 Michel Fortin  
-<http://michelf.com/>  
-All rights reserved.
-
-Based on Markdown  
-Copyright (c) 2003-2006 John Gruber   
-<http://daringfireball.net/>   
-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 "Markdown" 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 the copyright owner
-or contributors 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.
-
-*/
-?>
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/oodt/blob/098cc4fa/balance/modules/puny/schemas/schema.pdo.mysql
----------------------------------------------------------------------
diff --git a/balance/modules/puny/schemas/schema.pdo.mysql b/balance/modules/puny/schemas/schema.pdo.mysql
deleted file mode 100644
index e53d30d..0000000
--- a/balance/modules/puny/schemas/schema.pdo.mysql
+++ /dev/null
@@ -1,26 +0,0 @@
--- 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.
-
---
--- Table structure for table `puny_resource`
---
-
-CREATE TABLE IF NOT EXISTS `puny_resource` (
-  `resourceId` varchar(60) NOT NULL,
-  `version` int(10) unsigned NOT NULL,
-  `parser` varchar(60) NOT NULL,
-  `content` text NOT NULL,
-  PRIMARY KEY  (`resourceId`,`version`)
-) ENGINE=MyISAM DEFAULT CHARSET=latin1 COMMENT='Puny content resources';


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