kokororin / Kotori.php

example/app/libraries/Markdown.php

Doc Comments +23 added lines

@@ -879,6 +879,10 @@ 
 
 	protected $list_level = 0;
 
+	/**
+	 * @param string $list_str
+	 * @param string $marker_any_re
+	 */
 	protected function processListItems($list_str, $marker_any_re) {
 	#
 	#	Process the contents of a single ordered or unordered list, splitting it
@@ -982,6 +986,9 @@ 
 	}
 
 
+	/**
+	 * @param string $code
+	 */
 	protected function makeCodeSpan($code) {
 	#
 	# Create a code span markup for $code. Called from handleSpanToken.
@@ -1513,6 +1520,9 @@ 
 	# hanlde UTF-8 if the default function does not exist.
 	protected $utf8_strlen = 'mb_strlen';
 	
+	/**
+	 * @param string $text
+	 */
 	protected function detab($text) {
 	#
 	# Replace tabs with the appropriate amount of space.
@@ -2066,6 +2076,12 @@ 
 		
 		return array($parsed, $text);
 	}
+
+	/**
+	 * @param string $text
+	 * @param string $hash_method
+	 * @param boolean $md_attr
+	 */
 	protected function _hashHTMLBlocks_inHTML($text, $hash_method, $md_attr) {
 	#
 	# Parse HTML, calling _HashHTMLBlocks_InMarkdown for block tags.
@@ -2616,6 +2632,10 @@ 
 		
 		return $this->_doTable_callback(array($matches[0], $head, $underline, $content));
 	}
+
+	/**
+	 * @param string $alignname
+	 */
 	protected function _doTable_makeAlignAttr($alignname)
 	{
 		if (empty($this->table_align_class_tmpl))
@@ -2742,6 +2762,9 @@ 
 	}
 
 
+	/**
+	 * @return string
+	 */
 	protected function processDefListItems($list_str) {
 	#
 	#	Process the contents of a single definition list, splitting it

Indentation +2304 added lines, -2304 removed lines

@@ -40,138 +40,138 @@ 
 
 class _Markdown {
 
-	### Version ###
+    ### Version ###
 
-	const  MARKDOWNLIB_VERSION  =  "1.3";	
+    const  MARKDOWNLIB_VERSION  =  "1.3";	
 
-	### Configuration Variables ###
+    ### Configuration Variables ###
 
-	# Change to ">" for HTML output.
-	public $empty_element_suffix = " />";
-	public $tab_width = 4;
+    # Change to ">" for HTML output.
+    public $empty_element_suffix = " />";
+    public $tab_width = 4;
 	
-	# Change to `true` to disallow markup or entities.
-	public $no_markup = false;
-	public $no_entities = false;
+    # Change to `true` to disallow markup or entities.
+    public $no_markup = false;
+    public $no_entities = false;
 	
-	# Predefined urls and titles for reference links and images.
-	public $predef_urls = array();
-	public $predef_titles = array();
+    # Predefined urls and titles for reference links and images.
+    public $predef_urls = array();
+    public $predef_titles = array();
 
 
-	### Parser Implementation ###
+    ### Parser Implementation ###
 
-	# Regex to match balanced [brackets].
-	# Needed to insert a maximum bracked depth while converting to PHP.
-	protected $nested_brackets_depth = 6;
-	protected $nested_brackets_re;
+    # Regex to match balanced [brackets].
+    # Needed to insert a maximum bracked depth while converting to PHP.
+    protected $nested_brackets_depth = 6;
+    protected $nested_brackets_re;
 	
-	protected $nested_url_parenthesis_depth = 4;
-	protected $nested_url_parenthesis_re;
+    protected $nested_url_parenthesis_depth = 4;
+    protected $nested_url_parenthesis_re;
 
-	# Table of hash values for escaped characters:
-	protected $escape_chars = '\`*_{}[]()>#+-.!';
-	protected $escape_chars_re;
+    # Table of hash values for escaped characters:
+    protected $escape_chars = '\`*_{}[]()>#+-.!';
+    protected $escape_chars_re;
 
 
-	public function __construct() {
-	#
-	# Constructor function. Initialize appropriate member variables.
-	#
-		$this->_initDetab();
-		$this->prepareItalicsAndBold();
+    public function __construct() {
+    #
+    # 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_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->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).']';
+        $this->escape_chars_re = '['.preg_quote($this->escape_chars).']';
 		
-		# Sort document, block, and span gamut in ascendent priority order.
-		asort($this->document_gamut);
-		asort($this->block_gamut);
-		asort($this->span_gamut);
-	}
+        # Sort document, block, and span gamut in ascendent priority order.
+        asort($this->document_gamut);
+        asort($this->block_gamut);
+        asort($this->span_gamut);
+    }
 
 
-	# Internal hashes used during transformation.
-	protected $urls = array();
-	protected $titles = array();
-	protected $html_hashes = array();
+    # Internal hashes used during transformation.
+    protected $urls = array();
+    protected $titles = array();
+    protected $html_hashes = array();
 	
-	# Status flag to avoid invalid nesting.
-	protected $in_anchor = false;
+    # Status flag to avoid invalid nesting.
+    protected $in_anchor = false;
 	
 	
-	protected 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();
-		
-		$this->in_anchor = false;
-	}
+    protected 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();
+		
+        $this->in_anchor = false;
+    }
 	
-	protected function teardown() {
-	#
-	# Called after the transformation process to clear any variable 
-	# which may be taking up memory unnecessarly.
-	#
-		$this->urls = array();
-		$this->titles = array();
-		$this->html_hashes = array();
-	}
-
-
-	public function transform($text) {
-	#
-	# Main function. Performs some preprocessing on the input text
-	# and pass it through the document gamut.
-	#
-		$this->setup();
+    protected function teardown() {
+    #
+    # Called after the transformation process to clear any variable 
+    # which may be taking up memory unnecessarly.
+    #
+        $this->urls = array();
+        $this->titles = array();
+        $this->html_hashes = array();
+    }
+
+
+    public function transform($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);
+        # 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);
+        # 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";
+        # Make sure $text ends with a couple of newlines:
+        $text .= "\n\n";
 
-		# Convert all tabs to spaces.
-		$text = $this->detab($text);
+        # Convert all tabs to spaces.
+        $text = $this->detab($text);
 
-		# Turn block-level HTML blocks into hash entries
-		$text = $this->hashHTMLBlocks($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);
+        # 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($text);
-		}
+        # Run document gamut methods.
+        foreach ($this->document_gamut as $method => $priority) {
+            $text = $this->$method($text);
+        }
 		
-		$this->teardown();
+        $this->teardown();
 
         $text = preg_replace_callback("/<\/?(\!doctype|html|head|body|link|title|input|select|button|textarea|style|noscript)[^>]*>/is", 
             array($this, '_doEscape_callback'), $text);
 
-		return $text . "\n";
-	}
+        return $text . "\n";
+    }
 
     /**
      * _doEscape_callback  
@@ -184,23 +184,23 @@ 
         return htmlspecialchars($matches[0], ENT_NOQUOTES);
     }
 	
-	protected $document_gamut = array(
-		# Strip link definitions, store in hashes.
-		"stripLinkDefinitions" => 20,
+    protected $document_gamut = array(
+        # Strip link definitions, store in hashes.
+        "stripLinkDefinitions" => 20,
 		
-		"runBasicBlockGamut"   => 30,
-		);
+        "runBasicBlockGamut"   => 30,
+        );
 
 
-	protected function stripLinkDefinitions($text) {
-	#
-	# Strips link definitions from text, stores the URLs and titles in
-	# hash references.
-	#
-		$less_than_tab = $this->tab_width - 1;
+    protected function stripLinkDefinitions($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('{
+        # Link defs are in the form: ^[id]: url "optional title"
+        $text = preg_replace_callback('{
 							^[ ]{0,'.$less_than_tab.'}\[(.+)\][ ]?:	# id = $1
 							  [ ]*
 							  \n?				# maybe *one* newline
@@ -222,46 +222,46 @@ 
 							)?	# title is optional
 							(?:\n+|\Z)
 			}xm',
-			array($this, '_stripLinkDefinitions_callback'),
-			$text);
-		return $text;
-	}
-	protected function _stripLinkDefinitions_callback($matches) {
-		$link_id = strtolower($matches[1]);
-		$url = $matches[2] == '' ? $matches[3] : $matches[2];
-		$this->urls[$link_id] = $url;
-		$this->titles[$link_id] =& $matches[4];
-		return ''; # String that will replace the block
-	}
-
-
-	protected function hashHTMLBlocks($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|svg|'.
-						   'article|section|nav|aside|hgroup|header|footer|'.
-						   'figure';
-
-		# Regular expression for the content of a block tag.
-		$nested_tags_level = 4;
-		$attr = '
+            array($this, '_stripLinkDefinitions_callback'),
+            $text);
+        return $text;
+    }
+    protected function _stripLinkDefinitions_callback($matches) {
+        $link_id = strtolower($matches[1]);
+        $url = $matches[2] == '' ? $matches[3] : $matches[2];
+        $this->urls[$link_id] = $url;
+        $this->titles[$link_id] =& $matches[4];
+        return ''; # String that will replace the block
+    }
+
+
+    protected function hashHTMLBlocks($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|svg|'.
+                            'article|section|nav|aside|hgroup|header|footer|'.
+                            'figure';
+
+        # Regular expression for the content of a block tag.
+        $nested_tags_level = 4;
+        $attr = '
 			(?>				# optional tag attributes
 			  \s			# starts with whitespace
 			  (?>
@@ -275,8 +275,8 @@ 
 			  )*
 			)?	
 			';
-		$content =
-			str_repeat('
+        $content =
+            str_repeat('
 				(?>
 				  [^<]+			# content without tag
 				|
@@ -286,29 +286,29 @@ 
 					  />
 					|
 					  >', $nested_tags_level).	# end of opening tag
-					  '.*?'.					# last level nested tag content
-			str_repeat('
+                        '.*?'.					# 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('{(?>
+                $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
@@ -369,97 +369,97 @@ 
 					
 			)
 			)}Sxmi',
-			array($this, '_hashHTMLBlocks_callback'),
-			$text);
-
-		return $text;
-	}
-	protected function _hashHTMLBlocks_callback($matches) {
-		$text = $matches[1];
-		return $this->hashBlock($text);
-		// return "\n\n$key\n\n";
-	}
+            array($this, '_hashHTMLBlocks_callback'),
+            $text);
+
+        return $text;
+    }
+    protected function _hashHTMLBlocks_callback($matches) {
+        $text = $matches[1];
+        return $this->hashBlock($text);
+        // return "\n\n$key\n\n";
+    }
 	
 	
-	protected 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 $key; # String that will replace the tag.
-	}
-
-
-	protected function hashBlock($text) {
-	#
-	# Shortcut function for hashPart with block-level boundaries.
-	#
-		return $this->hashPart($text, 'B');
-	}
-
-
-	protected $block_gamut = array(
-	#
-	# These are all the transformations that form block-level
-	# tags like paragraphs, headers, and list items.
-	#
-		"doHeaders"         => 10,
-		"doHorizontalRules" => 20,
-		
-		"doLists"           => 40,
-		"doCodeBlocks"      => 50,
-		"doBlockQuotes"     => 60,
-		);
+    protected function hashPart($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 $key; # String that will replace the tag.
+    }
+
+
+    protected function hashBlock($text) {
+    #
+    # Shortcut function for hashPart with block-level boundaries.
+    #
+        return $this->hashPart($text, 'B');
+    }
+
+
+    protected $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,
+        );
 
-	protected 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);
-	}
+    protected 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);
+    }
 	
-	protected 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 $text;
-	}
+    protected function runBasicBlockGamut($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;
+    }
 	
 	
-	protected function doHorizontalRules($text) {
-		# Do Horizontal Rules:
-		return preg_replace(
-			'{
+    protected function doHorizontalRules($text) {
+        # Do Horizontal Rules:
+        return preg_replace(
+            '{
 				^[ ]{0,3}	# Leading space
 				([-*_])		# $1: First marker
 				(?>			# Repeated marker group
@@ -469,68 +469,68 @@ 
 				[ ]*		# Tailing spaces
 				$			# End of line.
 			}mx',
-			"\n".$this->hashBlock("<hr$this->empty_element_suffix")."\n", 
-			$text);
-	}
-
-
-	protected $span_gamut = array(
-	#
-	# These are all the transformations that occur *within* block-level
-	# tags like paragraphs, headers, and list items.
-	#
-		# Process character escapes, code spans, and inline HTML
-		# in one shot.
-		"parseSpan"           => -30,
-
-		# Process anchor and image tags. Images must come first,
-		# because ![foo][f] looks like an anchor.
-		"doImages"            =>  10,
-		"doAnchors"           =>  20,
-		
-		# Make links out of things like `<http://example.com/>`
-		# Must come after doAnchors, because you can use < and >
-		# delimiters in inline links like [this](<url>).
-		"doAutoLinks"         =>  30,
-		"encodeAmpsAndAngles" =>  40,
-
-		"doItalicsAndBold"    =>  50,
-		"doHardBreaks"        =>  60,
-		);
+            "\n".$this->hashBlock("<hr$this->empty_element_suffix")."\n", 
+            $text);
+    }
+
 
-	protected function runSpanGamut($text) {
-	#
-	# Run span gamut tranformations.
-	#
-		foreach ($this->span_gamut as $method => $priority) {
-			$text = $this->$method($text);
-		}
+    protected $span_gamut = array(
+    #
+    # These are all the transformations that occur *within* block-level
+    # tags like paragraphs, headers, and list items.
+    #
+        # Process character escapes, code spans, and inline HTML
+        # in one shot.
+        "parseSpan"           => -30,
+
+        # Process anchor and image tags. Images must come first,
+        # because ![foo][f] looks like an anchor.
+        "doImages"            =>  10,
+        "doAnchors"           =>  20,
+		
+        # Make links out of things like `<http://example.com/>`
+        # Must come after doAnchors, because you can use < and >
+        # delimiters in inline links like [this](<url>).
+        "doAutoLinks"         =>  30,
+        "encodeAmpsAndAngles" =>  40,
+
+        "doItalicsAndBold"    =>  50,
+        "doHardBreaks"        =>  60,
+        );
+
+    protected function runSpanGamut($text) {
+    #
+    # Run span gamut tranformations.
+    #
+        foreach ($this->span_gamut as $method => $priority) {
+            $text = $this->$method($text);
+        }
 
-		return $text;
-	}
+        return $text;
+    }
 	
 	
-	protected function doHardBreaks($text) {
-		# Do hard breaks:
-		return preg_replace_callback('/ {2,}\n/', 
-			array($this, '_doHardBreaks_callback'), $text);
-	}
-	protected function _doHardBreaks_callback($matches) {
-		return $this->hashPart("<br$this->empty_element_suffix\n");
-	}
-
-
-	protected 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]
-		#
-		$text = preg_replace_callback('{
+    protected function doHardBreaks($text) {
+        # Do hard breaks:
+        return preg_replace_callback('/ {2,}\n/', 
+            array($this, '_doHardBreaks_callback'), $text);
+    }
+    protected function _doHardBreaks_callback($matches) {
+        return $this->hashPart("<br$this->empty_element_suffix\n");
+    }
+
+
+    protected 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
 			  \[
 				('.$this->nested_brackets_re.')	# link text = $2
@@ -544,12 +544,12 @@ 
 			  \]
 			)
 			}xs',
-			array($this, '_doAnchors_reference_callback'), $text);
+            array($this, '_doAnchors_reference_callback'), $text);
 
-		#
-		# Next, inline-style links: [link text](url "optional title")
-		#
-		$text = preg_replace_callback('{
+        #
+        # 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
@@ -571,88 +571,88 @@ 
 			  \)
 			)
 			}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)
-		#
-		$text = preg_replace_callback('{
+            array($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 $text;
-	}
-	protected function _doAnchors_reference_callback($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);
+            array($this, '_doAnchors_reference_callback'), $text);
+
+        $this->in_anchor = false;
+        return $text;
+    }
+    protected function _doAnchors_reference_callback($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 $result;
-	}
-	protected function _doAnchors_inline_callback($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);
-	}
-
-
-	protected function doImages($text) {
-	#
-	# Turn Markdown image shortcuts into <img> tags.
-	#
-		#
-		# First, handle reference-style labeled images: ![alt text][id]
-		#
-		$text = preg_replace_callback('{
+            $result = "<a href=\"$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 $result;
+    }
+    protected function _doAnchors_inline_callback($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);
+    }
+
+
+    protected 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
@@ -667,13 +667,13 @@ 
 
 			)
 			}xs', 
-			array($this, '_doImages_reference_callback'), $text);
+            array($this, '_doImages_reference_callback'), $text);
 
-		#
-		# Next, handle inline images:  ![alt text](url "optional title")
-		# Don't forget: encode * and _
-		#
-		$text = preg_replace_callback('{
+        #
+        # 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
@@ -696,76 +696,76 @@ 
 			  \)
 			)
 			}xs',
-			array($this, '_doImages_inline_callback'), $text);
-
-		return $text;
-	}
-	protected function _doImages_reference_callback($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 $result;
-	}
-	protected function _doImages_inline_callback($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);
-	}
-
-
-	protected 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
-		#
-		$text = preg_replace_callback('{
+            array($this, '_doImages_inline_callback'), $text);
+
+        return $text;
+    }
+    protected function _doImages_reference_callback($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 $result;
+    }
+    protected function _doImages_inline_callback($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);
+    }
+
+
+    protected 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
 				[ ]*
 				(.+?)		# $2 = Header text
@@ -773,45 +773,45 @@ 
 				\#*			# optional closing #\'s (not counted)
 				\n+
 			}xm',
-			array($this, '_doHeaders_callback_atx'), $text);
-
-		return $text;
-	}
-	protected function _doHeaders_callback_setext($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";
-	}
-	protected 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";
-	}
-
-
-	protected 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:
-			$whole_list_re = '
+            array($this, '_doHeaders_callback_atx'), $text);
+
+        return $text;
+    }
+    protected function _doHeaders_callback_setext($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";
+    }
+    protected 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";
+    }
+
+
+    protected 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
@@ -838,79 +838,79 @@ 
 				)
 			'; // mx
 			
-			# We use a different prefix before nested lists than top-level lists.
-			# See extended comment in _ProcessListItems().
+            # We use a different prefix before nested lists than top-level lists.
+            # See extended comment in _ProcessListItems().
 		
-			if ($this->list_level) {
-				$text = preg_replace_callback('{
+            if ($this->list_level) {
+                $text = preg_replace_callback('{
 						^
 						'.$whole_list_re.'
 					}mx',
-					array($this, '_doLists_callback'), $text);
-			}
-			else {
-				$text = preg_replace_callback('{
+                    array($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 $text;
-	}
-	protected function _doLists_callback($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";
-	}
-
-	protected $list_level = 0;
-
-	protected function processListItems($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);
-
-		$list_str = preg_replace_callback('{
+                    array($this, '_doLists_callback'), $text);
+            }
+        }
+
+        return $text;
+    }
+    protected function _doLists_callback($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";
+    }
+
+    protected $list_level = 0;
+
+    protected function processListItems($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
@@ -920,41 +920,41 @@ 
 			(?:(\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 $list_str;
-	}
-	protected function _processListItems_callback($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>" . $item . "</li>\n";
-	}
-
-
-	protected function doCodeBlocks($text) {
-	#
-	#	Process Markdown `<pre><code>` blocks.
-	#
-		$text = preg_replace_callback('{
+            array($this, '_processListItems_callback'), $list_str);
+
+        $this->list_level--;
+        return $list_str;
+    }
+    protected function _processListItems_callback($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>" . $item . "</li>\n";
+    }
+
+
+    protected function doCodeBlocks($text) {
+    #
+    #	Process Markdown `<pre><code>` blocks.
+    #
+        $text = preg_replace_callback('{
 				(?:\n\n|\A\n?)
 				(	            # $1 = the code block -- one or more lines, starting with a space/tab
 				  (?>
@@ -964,197 +964,197 @@ 
 				)
 				((?=^[ ]{0,'.$this->tab_width.'}\S)|\Z)	# Lookahead for non-space at line-start, or end of doc
 			}xm',
-			array($this, '_doCodeBlocks_callback'), $text);
+            array($this, '_doCodeBlocks_callback'), $text);
 
-		return $text;
-	}
-	protected function _doCodeBlocks_callback($matches) {
-		$codeblock = $this->unhash($matches[1]);
+        return $text;
+    }
+    protected function _doCodeBlocks_callback($matches) {
+        $codeblock = $this->unhash($matches[1]);
 
-		$codeblock = $this->outdent($codeblock);
-		$codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES);
+        $codeblock = $this->outdent($codeblock);
+        $codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES);
 
-		# trim leading newlines and trailing newlines
-		$codeblock = preg_replace('/\A\n+|\n+\z/', '', $codeblock);
+        # 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";
-	}
+        $codeblock = "<pre><code>$codeblock\n</code></pre>";
+        return "\n\n".$this->hashBlock($codeblock)."\n\n";
+    }
 
 
-	protected 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>");
-	}
+    protected 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>");
+    }
 
 
-	protected $em_relist = array(
-		''  => '(?:(?<!\*)\*(?!\*)|(?<!_)_(?!_))(?=\S|$)(?![\.,:;]\s)',
-		'*' => '(?<=\S|^)(?<!\*)\*(?!\*)',
-		'_' => '(?<=\S|^)(?<!_)_(?!_)',
-		);
-	protected $strong_relist = array(
-		''   => '(?:(?<!\*)\*\*(?!\*)|(?<!_)__(?!_))(?=\S|$)(?![\.,:;]\s)',
-		'**' => '(?<=\S|^)(?<!\*)\*\*(?!\*)',
-		'__' => '(?<=\S|^)(?<!_)__(?!_)',
-		);
-	protected $em_strong_relist = array(
-		''    => '(?:(?<!\*)\*\*\*(?!\*)|(?<!_)___(?!_))(?=\S|$)(?![\.,:;]\s)',
-		'***' => '(?<=\S|^)(?<!\*)\*\*\*(?!\*)',
-		'___' => '(?<=\S|^)(?<!_)___(?!_)',
-		);
-	protected $em_strong_prepared_relist;
+    protected $em_relist = array(
+        ''  => '(?:(?<!\*)\*(?!\*)|(?<!_)_(?!_))(?=\S|$)(?![\.,:;]\s)',
+        '*' => '(?<=\S|^)(?<!\*)\*(?!\*)',
+        '_' => '(?<=\S|^)(?<!_)_(?!_)',
+        );
+    protected $strong_relist = array(
+        ''   => '(?:(?<!\*)\*\*(?!\*)|(?<!_)__(?!_))(?=\S|$)(?![\.,:;]\s)',
+        '**' => '(?<=\S|^)(?<!\*)\*\*(?!\*)',
+        '__' => '(?<=\S|^)(?<!_)__(?!_)',
+        );
+    protected $em_strong_relist = array(
+        ''    => '(?:(?<!\*)\*\*\*(?!\*)|(?<!_)___(?!_))(?=\S|$)(?![\.,:;]\s)',
+        '***' => '(?<=\S|^)(?<!\*)\*\*\*(?!\*)',
+        '___' => '(?<=\S|^)(?<!_)___(?!_)',
+        );
+    protected $em_strong_prepared_relist;
 	
-	protected 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[] = $strong_re;
+    protected function prepareItalicsAndBold() {
+    #
+    # Prepare regular expressions for searching emphasis tokens in any
+    # context.
+    #
+        foreach ($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;
-			}
-		}
-	}
+                # Construct master expression from list.
+                $token_re = '{('. implode('|', $token_relist) .')}';
+                $this->em_strong_prepared_relist["$em$strong"] = $token_re;
+            }
+        }
+    }
 	
-	protected 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$strong"];
+    protected function doItalicsAndBold($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];
+            #
+            # 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;
-			}
+            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 $text_stack[0];
-	}
-
-
-	protected function doBlockQuotes($text) {
-		$text = preg_replace_callback('/
+            $token_len = strlen($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 $text_stack[0];
+    }
+
+
+    protected function doBlockQuotes($text) {
+        $text = preg_replace_callback('/
 			  (								# Wrap whole match in $1
 				(?>
 				  ^[ ]*>[ ]?			# ">" at the start of a line
@@ -1164,58 +1164,58 @@ 
 				)+
 			  )
 			/xm',
-			array($this, '_doBlockQuotes_callback'), $text);
-
-		return $text;
-	}
-	protected function _doBlockQuotes_callback($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";
-	}
-	protected function _doBlockQuotes_callback2($matches) {
-		$pre = $matches[1];
-		$pre = preg_replace('/^  /m', '', $pre);
-		return $pre;
-	}
-
-
-	protected function formParagraphs($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 = $block;
+            array($this, '_doBlockQuotes_callback'), $text);
+
+        return $text;
+    }
+    protected function _doBlockQuotes_callback($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";
+    }
+    protected function _doBlockQuotes_callback2($matches) {
+        $pre = $matches[1];
+        $pre = preg_replace('/^  /m', '', $pre);
+        return $pre;
+    }
+
+
+    protected function formParagraphs($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
@@ -1251,54 +1251,54 @@ 
 //
 //					$graf = $div_open . "\n" . $div_content . "\n" . $div_close;
 //				}
-				$grafs[$key] = $graf;
-			}
-		}
-
-		return implode("\n\n", $grafs);
-	}
-
-
-	protected function encodeAttribute($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;
-	}
+                $grafs[$key] = $graf;
+            }
+        }
+
+        return implode("\n\n", $grafs);
+    }
+
+
+    protected function encodeAttribute($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;
+    }
 	
 	
-	protected 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 $text;
-	}
-
-
-	protected function doAutoLinks($text) {
-		$text = preg_replace_callback('/(="|<)?\b(https?|ftp)(:\/\/[-A-Z0-9+&@#\/%?=~_|\[\]\(\)!:,\.;]*[-A-Z0-9+&@#\/%=~_|\[\])])(?=$|\W)/i', 
-			array($this, '_doAutoLinks_url_callback'), $text);
-		$text = preg_replace_callback('{<((https?|ftp|dict):[^\'">\s]+)>}i', 
-			array($this, '_doAutoLinks_url_callback_replace'), $text);
-
-		# Email addresses: <address@domain.foo>
-		$text = preg_replace_callback('{
+    protected function encodeAmpsAndAngles($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 $text;
+    }
+
+
+    protected function doAutoLinks($text) {
+        $text = preg_replace_callback('/(="|<)?\b(https?|ftp)(:\/\/[-A-Z0-9+&@#\/%?=~_|\[\]\(\)!:,\.;]*[-A-Z0-9+&@#\/%=~_|\[\])])(?=$|\W)/i', 
+            array($this, '_doAutoLinks_url_callback'), $text);
+        $text = preg_replace_callback('{<((https?|ftp|dict):[^\'">\s]+)>}i', 
+            array($this, '_doAutoLinks_url_callback_replace'), $text);
+
+        # Email addresses: <address@domain.foo>
+        $text = preg_replace_callback('{
 			<
 			(?:mailto:)?
 			(
@@ -1316,10 +1316,10 @@ 
 			)
 			>
 			}xi',
-			array($this, '_doAutoLinks_email_callback'), $text);
+            array($this, '_doAutoLinks_email_callback'), $text);
 
-		return $text;
-	}
+        return $text;
+    }
     protected function _doAutoLinks_url_callback_replace($matches) {
         $url = $this->encodeAttribute($matches[1]);
         $link = "<a href=\"$url\">$url</a>";
@@ -1328,7 +1328,7 @@ 
 
     private $tail;
 
-	protected function _doAutoLinks_url_callback($matches) {
+    protected function _doAutoLinks_url_callback($matches) {
         list ($wholeMatch, $lookbehind, $protocol, $link) = $matches;
 
         if ($lookbehind) {
@@ -1360,71 +1360,71 @@ 
                 array($this, '_doAutoLinks_url_callback_callback'), $link);
         }
 
-		$url = $this->encodeAttribute($protocol . $link);
-		$link = "<a href=\"$url\">$url</a>";
-		return $this->hashPart($link) . $this->tail;
-	}
+        $url = $this->encodeAttribute($protocol . $link);
+        $link = "<a href=\"$url\">$url</a>";
+        return $this->hashPart($link) . $this->tail;
+    }
 
-	protected function _doAutoLinks_email_callback($matches) {
-		$address = $matches[1];
-		$link = $this->encodeEmailAddress($address);
-		return $this->hashPart($link);
-	}
+    protected function _doAutoLinks_email_callback($matches) {
+        $address = $matches[1];
+        $link = $this->encodeEmailAddress($address);
+        return $this->hashPart($link);
+    }
 
     protected function _doAutoLinks_url_callback_callback($matches) {
         $this->tail = $matches[0];
         return '';
     }
 
-	protected 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 $addr;
-	}
-
-
-	protected function parseSpan($str) {
-	#
-	# Take the string $str and parse it into tokens, hashing embeded HTML,
-	# escaped characters and handling code spans.
-	#
-		$output = '';
-		
-		$span_re = '{
+    protected function encodeEmailAddress($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 $addr;
+    }
+
+
+    protected function parseSpan($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.'
 				|
@@ -1450,127 +1450,127 @@ 
 				)
 				}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);
+        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 .= $parts[0];
-			}
+            # Create token from text preceding tag.
+            if ($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 $output;
-	}
+            # Check if we reach the end.
+            if (isset($parts[1])) {
+                $output .= $this->handleSpanToken($parts[1], $parts[2]);
+                $str = $parts[2];
+            }
+            else {
+                break;
+            }
+        }
+		
+        return $output;
+    }
 	
 	
-	protected 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);
-		}
-	}
-
-
-	protected 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.
-	protected $utf8_strlen = 'mb_strlen';
+    protected function handleSpanToken($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);
+        }
+    }
+
+
+    protected 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.
+    protected $utf8_strlen = 'mb_strlen';
 	
-	protected 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 $text;
-	}
-	protected function _detab_callback($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 = $this->tab_width - 
-				call_user_func($strlen, $line, 'UTF-8') % $this->tab_width;
-			$line .= str_repeat(" ", $amount) . $block;
-		}
-		return $line;
-	}
-	protected function _initDetab() {
-	#
-	# Check for the availability of the function in the `utf8_strlen` property
-	# (initially `mb_strlen`). If the function is not available, create a 
-	# function that will loosely count the number of UTF-8 characters with a
-	# regular expression.
-	#
-		if (function_exists($this->utf8_strlen)) return;
-		$this->utf8_strlen = array($this, '_utf8_strlen');
-	}
+    protected 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 $text;
+    }
+    protected function _detab_callback($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 = $this->tab_width - 
+                call_user_func($strlen, $line, 'UTF-8') % $this->tab_width;
+            $line .= str_repeat(" ", $amount) . $block;
+        }
+        return $line;
+    }
+    protected function _initDetab() {
+    #
+    # Check for the availability of the function in the `utf8_strlen` property
+    # (initially `mb_strlen`). If the function is not available, create a 
+    # function that will loosely count the number of UTF-8 characters with a
+    # regular expression.
+    #
+        if (function_exists($this->utf8_strlen)) return;
+        $this->utf8_strlen = array($this, '_utf8_strlen');
+    }
 
     protected function _utf8_strlen($text) {
         return preg_match_all(
-			"/[\\x00-\\xBF]|[\\xC0-\\xFF][\\x80-\\xBF]*/", 
-			$text, $m);
+            "/[\\x00-\\xBF]|[\\xC0-\\xFF][\\x80-\\xBF]*/", 
+            $text, $m);
     }
 
 
-	protected function unhash($text) {
-	#
-	# Swap back in all the tags hashed by _HashHTMLBlocks.
-	#
-		return preg_replace_callback('/(.)\x1A[0-9]+\1/', 
-			array($this, '_unhash_callback'), $text);
-	}
-	protected function _unhash_callback($matches) {
-		return $this->html_hashes[trim($matches[0])];
-	}
+    protected function unhash($text) {
+    #
+    # Swap back in all the tags hashed by _HashHTMLBlocks.
+    #
+        return preg_replace_callback('/(.)\x1A[0-9]+\1/', 
+            array($this, '_unhash_callback'), $text);
+    }
+    protected function _unhash_callback($matches) {
+        return $this->html_hashes[trim($matches[0])];
+    }
 }
 
 #
@@ -1587,167 +1587,167 @@ 
 
 class MarkdownExtra extends _Markdown {
 
-	### Configuration Variables ###
+    ### Configuration Variables ###
 
-	# Prefix for footnote ids.
-	public $fn_id_prefix = "";
+    # Prefix for footnote ids.
+    public $fn_id_prefix = "";
 	
-	# Optional title attribute for footnote links and backlinks.
-	public $fn_link_title = "";
-	public $fn_backlink_title = "";
+    # Optional title attribute for footnote links and backlinks.
+    public $fn_link_title = "";
+    public $fn_backlink_title = "";
 	
-	# Optional class attribute for footnote links and backlinks.
-	public $fn_link_class = "footnote-ref";
-	public $fn_backlink_class = "footnote-backref";
-
-	# Class name for table cell alignment (%% replaced left/center/right)
-	# For instance: 'go-%%' becomes 'go-left' or 'go-right' or 'go-center'
-	# If empty, the align attribute is used instead of a class name.
-	public $table_align_class_tmpl = '';
-
-	# Optional class prefix for fenced code block.
-	public $code_class_prefix = "";
-	# Class attribute for code blocks goes on the `code` tag;
-	# setting this to true will put attributes on the `pre` tag instead.
-	public $code_attr_on_pre = false;
+    # Optional class attribute for footnote links and backlinks.
+    public $fn_link_class = "footnote-ref";
+    public $fn_backlink_class = "footnote-backref";
+
+    # Class name for table cell alignment (%% replaced left/center/right)
+    # For instance: 'go-%%' becomes 'go-left' or 'go-right' or 'go-center'
+    # If empty, the align attribute is used instead of a class name.
+    public $table_align_class_tmpl = '';
+
+    # Optional class prefix for fenced code block.
+    public $code_class_prefix = "";
+    # Class attribute for code blocks goes on the `code` tag;
+    # setting this to true will put attributes on the `pre` tag instead.
+    public $code_attr_on_pre = false;
 	
-	# Predefined abbreviations.
-	public $predef_abbr = array();
-
-
-	### Parser Implementation ###
-
-	public function __construct() {
-	#
-	# 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::__construct();
-	}
+    # Predefined abbreviations.
+    public $predef_abbr = array();
+
+
+    ### Parser Implementation ###
+
+    public function __construct() {
+    #
+    # 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::__construct();
+    }
 	
 	
-	# Extra variables used during extra transformations.
-	protected $footnotes = array();
-	protected $footnotes_ordered = array();
-	protected $footnotes_ref_count = array();
-	protected $footnotes_numbers = array();
-	protected $abbr_desciptions = array();
-	protected $abbr_word_re = '';
+    # Extra variables used during extra transformations.
+    protected $footnotes = array();
+    protected $footnotes_ordered = array();
+    protected $footnotes_ref_count = array();
+    protected $footnotes_numbers = array();
+    protected $abbr_desciptions = array();
+    protected $abbr_word_re = '';
 	
-	# Give the current footnote number.
-	protected $footnote_counter = 1;
+    # Give the current footnote number.
+    protected $footnote_counter = 1;
 	
 	
-	protected function setup() {
-	#
-	# Setting up Extra-specific variables.
-	#
-		parent::setup();
-		
-		$this->footnotes = array();
-		$this->footnotes_ordered = array();
-		$this->footnotes_ref_count = array();
-		$this->footnotes_numbers = 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);
-		}
-	}
+    protected function setup() {
+    #
+    # Setting up Extra-specific variables.
+    #
+        parent::setup();
+		
+        $this->footnotes = array();
+        $this->footnotes_ordered = array();
+        $this->footnotes_ref_count = array();
+        $this->footnotes_numbers = 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);
+        }
+    }
 	
-	protected function teardown() {
-	#
-	# Clearing Extra-specific variables.
-	#
-		$this->footnotes = array();
-		$this->footnotes_ordered = array();
-		$this->footnotes_ref_count = array();
-		$this->footnotes_numbers = array();
-		$this->abbr_desciptions = array();
-		$this->abbr_word_re = '';
-		
-		parent::teardown();
-	}
+    protected function teardown() {
+    #
+    # Clearing Extra-specific variables.
+    #
+        $this->footnotes = array();
+        $this->footnotes_ordered = array();
+        $this->footnotes_ref_count = array();
+        $this->footnotes_numbers = array();
+        $this->abbr_desciptions = array();
+        $this->abbr_word_re = '';
+		
+        parent::teardown();
+    }
 	
 	
-	### Extra Attribute Parser ###
-
-	# Expression to use to catch attributes (includes the braces)
-	protected $id_class_attr_catch_re = '\{((?:[ ]*[#.][-_:a-zA-Z0-9]+){1,})[ ]*\}';
-	# Expression to use when parsing in a context when no capture is desired
-	protected $id_class_attr_nocatch_re = '\{(?:[ ]*[#.][-_:a-zA-Z0-9]+){1,}[ ]*\}';
-
-	protected function doExtraAttributes($tag_name, $attr) {
-	#
-	# Parse attributes caught by the $this->id_class_attr_catch_re expression
-	# and return the HTML-formatted list of attributes.
-	#
-	# Currently supported attributes are .class and #id.
-	#
-		if (empty($attr)) return "";
-		
-		# Split on components
-		preg_match_all('/[#.][-_:a-zA-Z0-9]+/', $attr, $matches);
-		$elements = $matches[0];
-
-		# handle classes and ids (only first id taken into account)
-		$classes = array();
-		$id = false;
-		foreach ($elements as $element) {
-			if ($element{0} == '.') {
-				$classes[] = substr($element, 1);
-			} else if ($element{0} == '#') {
-				if ($id === false) $id = substr($element, 1);
-			}
-		}
-
-		# compose attributes as string
-		$attr_str = "";
-		if (!empty($id)) {
-			$attr_str .= ' id="'.$id.'"';
-		}
-		if (!empty($classes)) {
-			$attr_str .= ' class="'.implode(" ", $classes).'"';
-		}
-		return $attr_str;
-	}
-
-
-	protected function stripLinkDefinitions($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('{
+    ### Extra Attribute Parser ###
+
+    # Expression to use to catch attributes (includes the braces)
+    protected $id_class_attr_catch_re = '\{((?:[ ]*[#.][-_:a-zA-Z0-9]+){1,})[ ]*\}';
+    # Expression to use when parsing in a context when no capture is desired
+    protected $id_class_attr_nocatch_re = '\{(?:[ ]*[#.][-_:a-zA-Z0-9]+){1,}[ ]*\}';
+
+    protected function doExtraAttributes($tag_name, $attr) {
+    #
+    # Parse attributes caught by the $this->id_class_attr_catch_re expression
+    # and return the HTML-formatted list of attributes.
+    #
+    # Currently supported attributes are .class and #id.
+    #
+        if (empty($attr)) return "";
+		
+        # Split on components
+        preg_match_all('/[#.][-_:a-zA-Z0-9]+/', $attr, $matches);
+        $elements = $matches[0];
+
+        # handle classes and ids (only first id taken into account)
+        $classes = array();
+        $id = false;
+        foreach ($elements as $element) {
+            if ($element{0} == '.') {
+                $classes[] = substr($element, 1);
+            } else if ($element{0} == '#') {
+                if ($id === false) $id = substr($element, 1);
+            }
+        }
+
+        # compose attributes as string
+        $attr_str = "";
+        if (!empty($id)) {
+            $attr_str .= ' id="'.$id.'"';
+        }
+        if (!empty($classes)) {
+            $attr_str .= ' class="'.implode(" ", $classes).'"';
+        }
+        return $attr_str;
+    }
+
+
+    protected function stripLinkDefinitions($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 = $1
 							  [ ]*
 							  \n?				# maybe *one* newline
@@ -1770,106 +1770,106 @@ 
 					(?:[ ]* '.$this->id_class_attr_catch_re.' )?  # $5 = extra id & class attr
 							(?:\n+|\Z)
 			}xm',
-			array($this, '_stripLinkDefinitions_callback'),
-			$text);
-		return $text;
-	}
-	protected function _stripLinkDefinitions_callback($matches) {
-		$link_id = strtolower($matches[1]);
-		$url = $matches[2] == '' ? $matches[3] : $matches[2];
-		$this->urls[$link_id] = $url;
-		$this->titles[$link_id] =& $matches[4];
-		$this->ref_attr[$link_id] = $this->doExtraAttributes("", $dummy =& $matches[5]);
-		return ''; # String that will replace the block
-	}
-
-
-	### HTML Block Parser ###
+            array($this, '_stripLinkDefinitions_callback'),
+            $text);
+        return $text;
+    }
+    protected function _stripLinkDefinitions_callback($matches) {
+        $link_id = strtolower($matches[1]);
+        $url = $matches[2] == '' ? $matches[3] : $matches[2];
+        $this->urls[$link_id] = $url;
+        $this->titles[$link_id] =& $matches[4];
+        $this->ref_attr[$link_id] = $this->doExtraAttributes("", $dummy =& $matches[5]);
+        return ''; # String that will replace the block
+    }
+
+
+    ### HTML Block Parser ###
 	
-	# Tags that are always treated as block tags:
-	protected $block_tags_re = 'p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|address|form|fieldset|iframe|hr|legend|article|section|nav|aside|hgroup|header|footer|figcaption';
+    # Tags that are always treated as block tags:
+    protected $block_tags_re = 'p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|address|form|fieldset|iframe|hr|legend|article|section|nav|aside|hgroup|header|footer|figcaption';
 						   
-	# Tags treated as block tags only if the opening tag is alone on its line:
-	protected $context_block_tags_re = 'script|noscript|ins|del|iframe|object|source|track|param|math|svg|canvas|audio|video';
+    # Tags treated as block tags only if the opening tag is alone on its line:
+    protected $context_block_tags_re = 'script|noscript|ins|del|iframe|object|source|track|param|math|svg|canvas|audio|video';
 	
-	# Tags where markdown="1" default to span mode:
-	protected $contain_span_tags_re = 'p|h[1-6]|li|dd|dt|td|th|legend|address';
+    # Tags where markdown="1" default to span mode:
+    protected $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:
-	protected $clean_tags_re = 'script|math|svg';
+    # Tags which must not have their contents modified, no matter where 
+    # they appear:
+    protected $clean_tags_re = 'script|math|svg';
 	
-	# Tags that do not need to be closed.
-	protected $auto_close_tags_re = 'hr|img|param|source|track';
+    # Tags that do not need to be closed.
+    protected $auto_close_tags_re = 'hr|img|param|source|track';
 	
 
-	protected function hashHTMLBlocks($text) {
-	#
-	# Hashify HTML Blocks and "clean tags".
-	#
-	# We only want to do this for block-level HTML tags, such as headers,
-	# lists, and tables. That's because we still want to wrap <p>s around
-	# "paragraphs" that are wrapped in non-block-level tags, such as anchors,
-	# phrase emphasis, and spans. The list of tags we're looking for is
-	# hard-coded.
-	#
-	# This works by calling _HashHTMLBlocks_InMarkdown, which then calls
-	# _HashHTMLBlocks_InHTML when it encounter block tags. When the markdown="1" 
-	# attribute is found within a tag, _HashHTMLBlocks_InHTML calls back
-	#  _HashHTMLBlocks_InMarkdown to handle the Markdown syntax within the tag.
-	# These two functions are calling each other. It's recursive!
-	#
-		if ($this->no_markup)  return $text;
-
-		#
-		# Call the HTML-in-Markdown hasher.
-		#
-		list($text, ) = $this->_hashHTMLBlocks_inMarkdown($text);
-		
-		return $text;
-	}
-	protected function _hashHTMLBlocks_inMarkdown($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.
-		$newline_before_re = '/(?:^\n?|\n\n)*$/';
-		$newline_after_re = 
-			'{
+    protected function hashHTMLBlocks($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 within 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!
+    #
+        if ($this->no_markup)  return $text;
+
+        #
+        # Call the HTML-in-Markdown hasher.
+        #
+        list($text, ) = $this->_hashHTMLBlocks_inMarkdown($text);
+		
+        return $text;
+    }
+    protected function _hashHTMLBlocks_inMarkdown($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 =
-			'{
+        # Regex to match any tag.
+        $block_tag_re =
+            '{
 				(					# $2: Capture whole tag.
 					</?					# Any opening or closing tag.
 						(?>				# Tag name.
@@ -1921,166 +1921,166 @@ 
 			}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);
+        $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]) . $void;
-			}
+            # If in Markdown span mode, add a empty-string span-level hash 
+            # after each newline to prevent triggering any block element.
+            if ($span) {
+                $void = $this->hashPart("", ':');
+                $newline = "$void\n";
+                $parts[0] = $void . str_replace("\n", $newline, $parts[0]) . $void;
+            }
 			
-			$parsed .= $parts[0]; # Text before current tag.
+            $parsed .= $parts[0]; # Text before current tag.
 			
-			# If end of $text has been reached. Stop loop.
-			if (count($parts) < 3) {
-				$text = "";
-				break;
-			}
+            # 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.
+            $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, $capture)) {
-				# Fenced code block marker: find matching end marker.
-				$fence_indent = strlen($capture[1]); # use captured indent in re
-				$fence_re = $capture[2]; # use captured fence in re
-				if (preg_match('{^(?>.*\n)*?[ ]{'.($fence_indent).'}'.$fence_re.'[ ]*(?:\n|$)}', $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 . $text, "hashBlock", true);
+            #
+            # Check for: Code span marker
+            #
+            if ($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, $capture)) {
+                # Fenced code block marker: find matching end marker.
+                $fence_indent = strlen($capture[1]); # use captured indent in re
+                $fence_re = $capture[2]; # use captured fence in re
+                if (preg_match('{^(?>.*\n)*?[ ]{'.($fence_indent).'}'.$fence_re.'[ ]*(?:\n|$)}', $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);
+                # 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 .= $block_text;
+            }
+            #
+            # Check for: Tag with same name as enclosing tag.
+            #
+            else if ($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, $text);
-	}
-	protected function _hashHTMLBlocks_inHTML($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 = '
+                $parsed .= $tag;
+            }
+            else {
+                $parsed .= $tag;
+            }
+        } while ($depth >= 0);
+		
+        return array($parsed, $text);
+    }
+    protected function _hashHTMLBlocks_inHTML($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
@@ -2095,8 +2095,8 @@ 
 				()				# $4: make $3 always defined (avoid warnings)
 			}xs';
 		
-		# Regex to match any tag.
-		$tag_re = '{
+        # Regex to match any tag.
+        $tag_re = '{
 				(					# $2: Capture whole tag.
 					</?					# Any opening or closing tag.
 						[\w:$]+			# Tag name.
@@ -2118,150 +2118,150 @@ 
 				)
 			}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);
+        $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($original_text, 1));
-			}
+            if (count($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.
+            $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} != '/')	$depth++;
-				}
+            #
+            # Check for: Auto-close tag (like <hr/>)
+            #			 Comments and Processing Instructions.
+            #
+            if (preg_match('{^</?(?:'.$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, '', $tag);
+                #
+                # Check for `markdown="1"` attribute and handle it.
+                #
+                if ($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);
+                    # 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;
-						$indent = call_user_func($strlen, $matches[1], 'UTF-8');
-					} else {
-						$indent = 0;
-					}
+                    # Calculate indent before tag.
+                    if (preg_match('/(?:^|\n)( *?)(?! ).*?$/', $block_text, $matches)) {
+                        $strlen = $this->utf8_strlen;
+                        $indent = call_user_func($strlen, $matches[1], 'UTF-8');
+                    } else {
+                        $indent = 0;
+                    }
 					
-					# End preceding block with this tag.
-					$block_text .= $tag;
-					$parsed .= $this->$hash_method($block_text);
+                    # 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];
+                    # 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, $span_mode);
+                    # Parse the content using the HTML-in-Markdown parser.
+                    list ($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", "", 
-													$block_text);
-					}
+                    # Outdent markdown text.
+                    if ($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";
+                    # Append tag content to parsed text.
+                    if (!$span_mode)	$parsed .= "\n\n$block_text\n\n";
+                    else				$parsed .= "$block_text";
 					
-					# Start over with a new block.
-					$block_text = "";
-				}
-				else $block_text .= $tag;
-			}
+                    # Start over with 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, $text);
-	}
-
-
-	protected function hashClean($text) {
-	#
-	# Called whenever a tag must be hashed when a function inserts a "clean" tag
-	# in $text, it passes through this function and is automaticaly escaped, 
-	# blocking invalid nested overlap.
-	#
-		return $this->hashPart($text, 'C');
-	}
-
-
-	protected 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]
-		#
-		$text = preg_replace_callback('{
+        } while ($depth > 0);
+		
+        #
+        # Hash last block text that wasn't processed inside the loop.
+        #
+        $parsed .= $this->$hash_method($block_text);
+		
+        return array($parsed, $text);
+    }
+
+
+    protected function hashClean($text) {
+    #
+    # Called whenever a tag must be hashed when a function inserts a "clean" tag
+    # in $text, it passes through this function and is automaticaly escaped, 
+    # blocking invalid nested overlap.
+    #
+        return $this->hashPart($text, 'C');
+    }
+
+
+    protected 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
 			  \[
 				('.$this->nested_brackets_re.')	# link text = $2
@@ -2275,12 +2275,12 @@ 
 			  \]
 			)
 			}xs',
-			array($this, '_doAnchors_reference_callback'), $text);
+            array($this, '_doAnchors_reference_callback'), $text);
 
-		#
-		# Next, inline-style links: [link text](url "optional title")
-		#
-		$text = preg_replace_callback('{
+        #
+        # Next, inline-style links: [link text](url "optional title")
+        #
+        $text = preg_replace_callback('{
 			(				# wrap whole match in $1
 			  \[
 				('.$this->nested_brackets_re.')	# link text = $2
@@ -2303,93 +2303,93 @@ 
 			  (?:[ ]? '.$this->id_class_attr_catch_re.' )?	 # $8 = id/class attributes
 			)
 			}xs',
-			array($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)
-		#
-		$text = preg_replace_callback('{
+            array($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 $text;
-	}
-	protected function _doAnchors_reference_callback($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);
+            array($this, '_doAnchors_reference_callback'), $text);
+
+        $this->in_anchor = false;
+        return $text;
+    }
+    protected function _doAnchors_reference_callback($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\"";
-			}
-			if (isset($this->ref_attr[$link_id]))
-				$result .= $this->ref_attr[$link_id];
-		
-			$link_text = $this->runSpanGamut($link_text);
-			$result .= ">$link_text</a>";
-			$result = $this->hashPart($result);
-		}
-		else {
-			$result = $whole_match;
-		}
-		return $result;
-	}
-	protected function _doAnchors_inline_callback($matches) {
-		$whole_match	=  $matches[1];
-		$link_text		=  $this->runSpanGamut($matches[2]);
-		$url			=  $matches[3] == '' ? $matches[4] : $matches[3];
-		$title			=& $matches[7];
-		$attr  = $this->doExtraAttributes("a", $dummy =& $matches[8]);
-
-
-		$url = $this->encodeAttribute($url);
-
-		$result = "<a href=\"$url\"";
-		if (isset($title)) {
-			$title = $this->encodeAttribute($title);
-			$result .=  " title=\"$title\"";
-		}
-		$result .= $attr;
-		
-		$link_text = $this->runSpanGamut($link_text);
-		$result .= ">$link_text</a>";
-
-		return $this->hashPart($result);
-	}
-
-
-	protected function doImages($text) {
-	#
-	# Turn Markdown image shortcuts into <img> tags.
-	#
-		#
-		# First, handle reference-style labeled images: ![alt text][id]
-		#
-		$text = preg_replace_callback('{
+            $result = "<a href=\"$url\"";
+            if ( isset( $this->titles[$link_id] ) ) {
+                $title = $this->titles[$link_id];
+                $title = $this->encodeAttribute($title);
+                $result .=  " title=\"$title\"";
+            }
+            if (isset($this->ref_attr[$link_id]))
+                $result .= $this->ref_attr[$link_id];
+		
+            $link_text = $this->runSpanGamut($link_text);
+            $result .= ">$link_text</a>";
+            $result = $this->hashPart($result);
+        }
+        else {
+            $result = $whole_match;
+        }
+        return $result;
+    }
+    protected function _doAnchors_inline_callback($matches) {
+        $whole_match	=  $matches[1];
+        $link_text		=  $this->runSpanGamut($matches[2]);
+        $url			=  $matches[3] == '' ? $matches[4] : $matches[3];
+        $title			=& $matches[7];
+        $attr  = $this->doExtraAttributes("a", $dummy =& $matches[8]);
+
+
+        $url = $this->encodeAttribute($url);
+
+        $result = "<a href=\"$url\"";
+        if (isset($title)) {
+            $title = $this->encodeAttribute($title);
+            $result .=  " title=\"$title\"";
+        }
+        $result .= $attr;
+		
+        $link_text = $this->runSpanGamut($link_text);
+        $result .= ">$link_text</a>";
+
+        return $this->hashPart($result);
+    }
+
+
+    protected 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
@@ -2404,13 +2404,13 @@ 
 
 			)
 			}xs', 
-			array($this, '_doImages_reference_callback'), $text);
+            array($this, '_doImages_reference_callback'), $text);
 
-		#
-		# Next, handle inline images:  ![alt text](url "optional title")
-		# Don't forget: encode * and _
-		#
-		$text = preg_replace_callback('{
+        #
+        # 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 = $2
@@ -2434,88 +2434,88 @@ 
 			  (?:[ ]? '.$this->id_class_attr_catch_re.' )?	 # $8 = id/class attributes
 			)
 			}xs',
-			array($this, '_doImages_inline_callback'), $text);
-
-		return $text;
-	}
-	protected function _doImages_reference_callback($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\"";
-			}
-			if (isset($this->ref_attr[$link_id]))
-				$result .= $this->ref_attr[$link_id];
-			$result .= $this->empty_element_suffix;
-			$result = $this->hashPart($result);
-		}
-		else {
-			# If there's no such link ID, leave intact:
-			$result = $whole_match;
-		}
-
-		return $result;
-	}
-	protected function _doImages_inline_callback($matches) {
-		$whole_match	= $matches[1];
-		$alt_text		= $matches[2];
-		$url			= $matches[3] == '' ? $matches[4] : $matches[3];
-		$title			=& $matches[7];
-		$attr  = $this->doExtraAttributes("img", $dummy =& $matches[8]);
-
-		$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 .= $attr;
-		$result .= $this->empty_element_suffix;
-
-		return $this->hashPart($result);
-	}
-
-
-	protected function doHeaders($text) {
-	#
-	# Redefined to add id and class attribute support.
-	#
-		# Setext-style headers:
-		#	  Header 1  {#header1}
-		#	  ========
-		#  
-		#	  Header 2  {#header2 .class1 .class2}
-		#	  --------
-		#
-		$text = preg_replace_callback(
-			'{
+            array($this, '_doImages_inline_callback'), $text);
+
+        return $text;
+    }
+    protected function _doImages_reference_callback($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\"";
+            }
+            if (isset($this->ref_attr[$link_id]))
+                $result .= $this->ref_attr[$link_id];
+            $result .= $this->empty_element_suffix;
+            $result = $this->hashPart($result);
+        }
+        else {
+            # If there's no such link ID, leave intact:
+            $result = $whole_match;
+        }
+
+        return $result;
+    }
+    protected function _doImages_inline_callback($matches) {
+        $whole_match	= $matches[1];
+        $alt_text		= $matches[2];
+        $url			= $matches[3] == '' ? $matches[4] : $matches[3];
+        $title			=& $matches[7];
+        $attr  = $this->doExtraAttributes("img", $dummy =& $matches[8]);
+
+        $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 .= $attr;
+        $result .= $this->empty_element_suffix;
+
+        return $this->hashPart($result);
+    }
+
+
+    protected function doHeaders($text) {
+    #
+    # Redefined to add id and class attribute support.
+    #
+        # Setext-style headers:
+        #	  Header 1  {#header1}
+        #	  ========
+        #  
+        #	  Header 2  {#header2 .class1 .class2}
+        #	  --------
+        #
+        $text = preg_replace_callback(
+            '{
 				(^.+?)								# $1: Header text
 				(?:[ ]+ '.$this->id_class_attr_catch_re.' )?	 # $3 = id/class attributes
 				[ ]*\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.class1.class2}
-		#	...
-		#	###### Header 6   {.class2}
-		#
-		$text = preg_replace_callback('{
+            array($this, '_doHeaders_callback_setext'), $text);
+
+        # atx-style headers:
+        #	# Header 1        {#header1}
+        #	## Header 2       {#header2}
+        #	## Header 2 with closing hashes ##  {#header3.class1.class2}
+        #	...
+        #	###### Header 6   {.class2}
+        #
+        $text = preg_replace_callback('{
 				^(\#{1,6})	# $1 = string of #\'s
 				[ ]*
 				(.+?)		# $2 = Header text
@@ -2525,40 +2525,40 @@ 
 				[ ]*
 				\n+
 			}xm',
-			array($this, '_doHeaders_callback_atx'), $text);
-
-		return $text;
-	}
-	protected function _doHeaders_callback_setext($matches) {
-		if ($matches[3] == '-' && preg_match('{^- }', $matches[1]))
-			return $matches[0];
-		$level = $matches[3]{0} == '=' ? 1 : 2;
-		$attr  = $this->doExtraAttributes("h$level", $dummy =& $matches[2]);
-		$block = "<h$level$attr>".$this->runSpanGamut($matches[1])."</h$level>";
-		return "\n" . $this->hashBlock($block) . "\n\n";
-	}
-	protected function _doHeaders_callback_atx($matches) {
-		$level = strlen($matches[1]);
-		$attr  = $this->doExtraAttributes("h$level", $dummy =& $matches[3]);
-		$block = "<h$level$attr>".$this->runSpanGamut($matches[2])."</h$level>";
-		return "\n" . $this->hashBlock($block) . "\n\n";
-	}
-
-
-	protected 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
-		#
-		$text = preg_replace_callback('
+            array($this, '_doHeaders_callback_atx'), $text);
+
+        return $text;
+    }
+    protected function _doHeaders_callback_setext($matches) {
+        if ($matches[3] == '-' && preg_match('{^- }', $matches[1]))
+            return $matches[0];
+        $level = $matches[3]{0} == '=' ? 1 : 2;
+        $attr  = $this->doExtraAttributes("h$level", $dummy =& $matches[2]);
+        $block = "<h$level$attr>".$this->runSpanGamut($matches[1])."</h$level>";
+        return "\n" . $this->hashBlock($block) . "\n\n";
+    }
+    protected function _doHeaders_callback_atx($matches) {
+        $level = strlen($matches[1]);
+        $attr  = $this->doExtraAttributes("h$level", $dummy =& $matches[3]);
+        $block = "<h$level$attr>".$this->runSpanGamut($matches[2])."</h$level>";
+        return "\n" . $this->hashBlock($block) . "\n\n";
+    }
+
+
+    protected 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.
@@ -2576,17 +2576,17 @@ 
 				)
 				(?=\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
-		#
-		$text = preg_replace_callback('
+            array($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.
@@ -2602,100 +2602,100 @@ 
 				)
 				(?=\n|\Z)					# Stop at final double newline.
 			}xm',
-			array($this, '_DoTable_callback'), $text);
-
-		return $text;
-	}
-	protected function _doTable_leadingPipe_callback($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, $content));
-	}
-	protected function _doTable_makeAlignAttr($alignname)
-	{
-		if (empty($this->table_align_class_tmpl))
-			return " align=\"$alignname\"";
-
-		$classname = str_replace('%%', $alignname, $this->table_align_class_tmpl);
-		return " class=\"$classname\"";
-	}
-	protected 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] = $this->_doTable_makeAlignAttr('right');
-			else if (preg_match('/^ *:-+: *$/', $s))
-				$attr[$n] = $this->_doTable_makeAlignAttr('center');
-			else if (preg_match('/^ *:-+ *$/', $s))
-				$attr[$n] = $this->_doTable_makeAlignAttr('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);
-		$attr       = array_pad($attr, $col_count, '');
-		
-		# 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);
+            array($this, '_DoTable_callback'), $text);
+
+        return $text;
+    }
+    protected function _doTable_leadingPipe_callback($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, $content));
+    }
+    protected function _doTable_makeAlignAttr($alignname)
+    {
+        if (empty($this->table_align_class_tmpl))
+            return " align=\"$alignname\"";
+
+        $classname = str_replace('%%', $alignname, $this->table_align_class_tmpl);
+        return " class=\"$classname\"";
+    }
+    protected 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] = $this->_doTable_makeAlignAttr('right');
+            else if (preg_match('/^ *:-+: *$/', $s))
+                $attr[$n] = $this->_doTable_makeAlignAttr('center');
+            else if (preg_match('/^ *:-+ *$/', $s))
+                $attr[$n] = $this->_doTable_makeAlignAttr('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);
+        $attr       = array_pad($attr, $col_count, '');
+		
+        # 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, '');
+            # 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>";
+            $text .= "<tr>\n";
+            foreach ($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";
-	}
+        return $this->hashBlock($text) . "\n";
+    }
 
 	
-	protected function doDefLists($text) {
-	#
-	# Form HTML definition lists.
-	#
-		$less_than_tab = $this->tab_width - 1;
-
-		# Re-usable pattern to match any entire dl list:
-		$whole_list_re = '(?>
+    protected function doDefLists($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.'}
@@ -2722,38 +2722,38 @@ 
 			)
 		)'; // mx
 
-		$text = preg_replace_callback('{
+        $text = preg_replace_callback('{
 				(?>\A\n?|(?<=\n\n))
 				'.$whole_list_re.'
 			}mx',
-			array($this, '_doDefLists_callback'), $text);
-
-		return $text;
-	}
-	protected function _doDefLists_callback($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";
-	}
-
-
-	protected 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.
-		$list_str = preg_replace_callback('{
+            array($this, '_doDefLists_callback'), $text);
+
+        return $text;
+    }
+    protected function _doDefLists_callback($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";
+    }
+
+
+    protected 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
@@ -2764,10 +2764,10 @@ 
 			(?=\n?[ ]{0,3}:[ ])				# lookahead for following line feed 
 											#   with a definition mark.
 			}xm',
-			array($this, '_processDefListItems_callback_dt'), $list_str);
+            array($this, '_processDefListItems_callback_dt'), $list_str);
 
-		# Process actual definitions.
-		$list_str = preg_replace_callback('{
+        # Process actual definitions.
+        $list_str = preg_replace_callback('{
 			\n(\n+)?						# leading line = $1
 			(								# marker space = $2
 				[ ]{0,'.$less_than_tab.'}	# whitespace before colon
@@ -2781,50 +2781,50 @@ 
 				)						
 			)					
 			}xm',
-			array($this, '_processDefListItems_callback_dd'), $list_str);
-
-		return $list_str;
-	}
-	protected function _processDefListItems_callback_dt($matches) {
-		$terms = explode("\n", trim($matches[1]));
-		$text = '';
-		foreach ($terms as $term) {
-			$term = $this->runSpanGamut(trim($term));
-			$text .= "\n<dt>" . $term . "</dt>";
-		}
-		return $text . "\n";
-	}
-	protected function _processDefListItems_callback_dd($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>" . $def . "</dd>\n";
-	}
-
-
-	protected function doFencedCodeBlocks($text) {
-	#
-	# Adding the fenced code block syntax to regular Markdown:
-	#
-	# ~~~
-	# Code block
-	# ~~~
-	#
-		$less_than_tab = $this->tab_width;
-		
-		$text = preg_replace_callback('{
+            array($this, '_processDefListItems_callback_dd'), $list_str);
+
+        return $list_str;
+    }
+    protected function _processDefListItems_callback_dt($matches) {
+        $terms = explode("\n", trim($matches[1]));
+        $text = '';
+        foreach ($terms as $term) {
+            $term = $this->runSpanGamut(trim($term));
+            $text .= "\n<dt>" . $term . "</dt>";
+        }
+        return $text . "\n";
+    }
+    protected function _processDefListItems_callback_dd($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>" . $def . "</dd>\n";
+    }
+
+
+    protected function doFencedCodeBlocks($text) {
+    #
+    # Adding the fenced code block syntax to regular Markdown:
+    #
+    # ~~~
+    # Code block
+    # ~~~
+    #
+        $less_than_tab = $this->tab_width;
+		
+        $text = preg_replace_callback('{
 				(?:\n|\A)
 				# 1: Opening marker
 				(
@@ -2849,105 +2849,105 @@ 
 				# Closing marker.
 				\1 [ ]* \n
 			}xm',
-			array($this, '_doFencedCodeBlocks_callback'), $text);
-
-		return $text;
-	}
-	protected function _doFencedCodeBlocks_callback($matches) {
-		$classname =& $matches[2];
-		$attrs     =& $matches[3];
-		$codeblock = $matches[4];
-		$codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES);
-		$codeblock = preg_replace_callback('/^\n+/',
-			array($this, '_doFencedCodeBlocks_newlines'), $codeblock);
-
-		if ($classname != "") {
-			if ($classname{0} == '.')
-				$classname = substr($classname, 1);
-			$attr_str = ' class="'.$this->code_class_prefix.$classname.'"';
-		} else {
-			$attr_str = $this->doExtraAttributes($this->code_attr_on_pre ? "pre" : "code", $attrs);
-		}
-		$pre_attr_str  = $this->code_attr_on_pre ? $attr_str : '';
-		$code_attr_str = $this->code_attr_on_pre ? '' : $attr_str;
-		$codeblock  = "<pre$pre_attr_str><code$code_attr_str>$codeblock</code></pre>";
-		
-		return "\n\n".$this->hashBlock($codeblock)."\n\n";
-	}
-	protected 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.
-	#
-	protected $em_relist = array(
-		''  => '(?:(?<!\*)\*(?!\*)|(?<![a-zA-Z0-9_])_(?!_))(?=\S|$)(?![\.,:;]\s)',
-		'*' => '(?<=\S|^)(?<!\*)\*(?!\*)',
-		'_' => '(?<=\S|^)(?<!_)_(?![a-zA-Z0-9_])',
-		);
-	protected $strong_relist = array(
-		''   => '(?:(?<!\*)\*\*(?!\*)|(?<![a-zA-Z0-9_])__(?!_))(?=\S|$)(?![\.,:;]\s)',
-		'**' => '(?<=\S|^)(?<!\*)\*\*(?!\*)',
-		'__' => '(?<=\S|^)(?<!_)__(?![a-zA-Z0-9_])',
-		);
-	protected $em_strong_relist = array(
-		''    => '(?:(?<!\*)\*\*\*(?!\*)|(?<![a-zA-Z0-9_])___(?!_))(?=\S|$)(?![\.,:;]\s)',
-		'***' => '(?<=\S|^)(?<!\*)\*\*\*(?!\*)',
-		'___' => '(?<=\S|^)(?<!_)___(?![a-zA-Z0-9_])',
-		);
+            array($this, '_doFencedCodeBlocks_callback'), $text);
+
+        return $text;
+    }
+    protected function _doFencedCodeBlocks_callback($matches) {
+        $classname =& $matches[2];
+        $attrs     =& $matches[3];
+        $codeblock = $matches[4];
+        $codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES);
+        $codeblock = preg_replace_callback('/^\n+/',
+            array($this, '_doFencedCodeBlocks_newlines'), $codeblock);
+
+        if ($classname != "") {
+            if ($classname{0} == '.')
+                $classname = substr($classname, 1);
+            $attr_str = ' class="'.$this->code_class_prefix.$classname.'"';
+        } else {
+            $attr_str = $this->doExtraAttributes($this->code_attr_on_pre ? "pre" : "code", $attrs);
+        }
+        $pre_attr_str  = $this->code_attr_on_pre ? $attr_str : '';
+        $code_attr_str = $this->code_attr_on_pre ? '' : $attr_str;
+        $codeblock  = "<pre$pre_attr_str><code$code_attr_str>$codeblock</code></pre>";
+		
+        return "\n\n".$this->hashBlock($codeblock)."\n\n";
+    }
+    protected function _doFencedCodeBlocks_newlines($matches) {
+        return str_repeat("<br$this->empty_element_suffix", 
+            strlen($matches[0]));
+    }
 
 
-	protected 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);
+    #
+    # Redefining emphasis markers so that emphasis by underscore does not
+    # work in the middle of a word.
+    #
+    protected $em_relist = array(
+        ''  => '(?:(?<!\*)\*(?!\*)|(?<![a-zA-Z0-9_])_(?!_))(?=\S|$)(?![\.,:;]\s)',
+        '*' => '(?<=\S|^)(?<!\*)\*(?!\*)',
+        '_' => '(?<=\S|^)(?<!_)_(?![a-zA-Z0-9_])',
+        );
+    protected $strong_relist = array(
+        ''   => '(?:(?<!\*)\*\*(?!\*)|(?<![a-zA-Z0-9_])__(?!_))(?=\S|$)(?![\.,:;]\s)',
+        '**' => '(?<=\S|^)(?<!\*)\*\*(?!\*)',
+        '__' => '(?<=\S|^)(?<!_)__(?![a-zA-Z0-9_])',
+        );
+    protected $em_strong_relist = array(
+        ''    => '(?:(?<!\*)\*\*\*(?!\*)|(?<![a-zA-Z0-9_])___(?!_))(?=\S|$)(?![\.,:;]\s)',
+        '***' => '(?<=\S|^)(?<!\*)\*\*\*(?!\*)',
+        '___' => '(?<=\S|^)(?<!_)___(?![a-zA-Z0-9_])',
+        );
+
+
+    protected 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);
+        $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($value));
+        #
+        # Wrap <p> tags and unhashify HTML blocks
+        #
+        foreach ($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);
+            # 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] = $value;
-		}
+            if ($is_p) {
+                $value = "<p>$value</p>";
+            }
+            $grafs[$key] = $value;
+        }
 		
-		# Join grafs in one text, then unhash HTML tags. 
-		$text = implode("\n\n", $grafs);
+        # 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);
+        # Finish by removing any tag hashes still present in $text.
+        $text = $this->unhash($text);
 		
-		return $text;
-	}
+        return $text;
+    }
 	
 	
-	### Footnotes
+    ### Footnotes
 	
-	protected 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"
-		$text = preg_replace_callback('{
+    protected function stripFootnotes($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 = $1
 			  [ ]*
 			  \n?					# maybe *one* newline
@@ -2962,203 +2962,203 @@ 
 				)*
 			)		
 			}xm',
-			array($this, '_stripFootnotes_callback'),
-			$text);
-		return $text;
-	}
-	protected function _stripFootnotes_callback($matches) {
-		$note_id = $this->fn_id_prefix . $matches[1];
-		$this->footnotes[$note_id] = $this->outdent($matches[2]);
-		return ''; # String that will replace the block
-	}
-
-
-	protected 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 $text;
-	}
+            array($this, '_stripFootnotes_callback'),
+            $text);
+        return $text;
+    }
+    protected function _stripFootnotes_callback($matches) {
+        $note_id = $this->fn_id_prefix . $matches[1];
+        $this->footnotes[$note_id] = $this->outdent($matches[2]);
+        return ''; # String that will replace the block
+    }
+
+
+    protected 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;
+    }
 
 	
-	protected function appendFootnotes($text) {
-	#
-	# Append footnote list to text.
-	#
-		$text = preg_replace_callback('{F\x1Afn:(.*?)\x1A:}', 
-			array($this, '_appendFootnotes_callback'), $text);
+    protected function appendFootnotes($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";
-			$text .= "<ol>\n\n";
+        if (!empty($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;
+            $attr = " rev=\"footnote\"";
+            if ($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]);
-				$ref_count = $this->footnotes_ref_count[$note_id];
-				unset($this->footnotes_ref_count[$note_id]);
-				unset($this->footnotes[$note_id]);
+            while (!empty($this->footnotes_ordered)) {
+                $footnote = reset($this->footnotes_ordered);
+                $note_id = key($this->footnotes_ordered);
+                unset($this->footnotes_ordered[$note_id]);
+                $ref_count = $this->footnotes_ref_count[$note_id];
+                unset($this->footnotes_ref_count[$note_id]);
+                unset($this->footnotes[$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);
+                $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);
-
-				# Prepare backlink, multiple backlinks if multiple references
-				$backlink = "<a href=\"#fnref:$note_id\"$attr>&#8617;</a>";
-				for ($ref_num = 2; $ref_num <= $ref_count; ++$ref_num) {
-					$backlink .= " <a href=\"#fnref$ref_num:$note_id\"$attr>&#8617;</a>";
-				}
-				# Add backlink to last paragraph; create new paragraph if needed.
-				if (preg_match('{</p>$}', $footnote)) {
-					$footnote = substr($footnote, 0, -4) . "&#160;$backlink</p>";
-				} else {
-					$footnote .= "\n\n<p>$backlink</p>";
-				}
+                $attr = str_replace("%%", ++$num, $attr);
+                $note_id = $this->encodeAttribute($note_id);
+
+                # Prepare backlink, multiple backlinks if multiple references
+                $backlink = "<a href=\"#fnref:$note_id\"$attr>&#8617;</a>";
+                for ($ref_num = 2; $ref_num <= $ref_count; ++$ref_num) {
+                    $backlink .= " <a href=\"#fnref$ref_num:$note_id\"$attr>&#8617;</a>";
+                }
+                # Add backlink to last paragraph; create new paragraph if needed.
+                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";
-			}
+                $text .= "<li id=\"fn:$note_id\">\n";
+                $text .= $footnote . "\n";
+                $text .= "</li>\n\n";
+            }
 			
-			$text .= "</ol>\n";
-			$text .= "</div>";
-		}
-		return $text;
-	}
-	protected function _appendFootnotes_callback($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])) {
-			$num =& $this->footnotes_numbers[$node_id];
-			if (!isset($num)) {
-				# Transfer footnote content to the ordered list and give it its
-				# number
-				$this->footnotes_ordered[$node_id] = $this->footnotes[$node_id];
-				$this->footnotes_ref_count[$node_id] = 1;
-				$num = $this->footnote_counter++;
-				$ref_count_mark = '';
-			} else {
-				$ref_count_mark = $this->footnotes_ref_count[$node_id] += 1;
-			}
-
-			$attr = "";
-			if ($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\"";
-			}
+            $text .= "</ol>\n";
+            $text .= "</div>";
+        }
+        return $text;
+    }
+    protected function _appendFootnotes_callback($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])) {
+            $num =& $this->footnotes_numbers[$node_id];
+            if (!isset($num)) {
+                # Transfer footnote content to the ordered list and give it its
+                # number
+                $this->footnotes_ordered[$node_id] = $this->footnotes[$node_id];
+                $this->footnotes_ref_count[$node_id] = 1;
+                $num = $this->footnote_counter++;
+                $ref_count_mark = '';
+            } else {
+                $ref_count_mark = $this->footnotes_ref_count[$node_id] += 1;
+            }
+
+            $attr = "";
+            if ($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);
+            $attr = str_replace("%%", $num, $attr);
+            $node_id = $this->encodeAttribute($node_id);
 			
-			return
-				"<sup id=\"fnref$ref_count_mark:$node_id\">".
-				"<a href=\"#fn:$node_id\"$attr>$num</a>".
-				"</sup>";
-		}
+            return
+                "<sup id=\"fnref$ref_count_mark:$node_id\">".
+                "<a href=\"#fn:$node_id\"$attr>$num</a>".
+                "</sup>";
+        }
 		
-		return "[^".$matches[1]."]";
-	}
+        return "[^".$matches[1]."]";
+    }
 		
 	
-	### Abbreviations ###
+    ### Abbreviations ###
 	
-	protected 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"
-		$text = preg_replace_callback('{
+    protected function stripAbbreviations($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 $text;
-	}
-	protected function _stripAbbreviations_callback($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($abbr_desc);
-		return ''; # String that will replace the block
-	}
+            array($this, '_stripAbbreviations_callback'),
+            $text);
+        return $text;
+    }
+    protected function _stripAbbreviations_callback($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
+    }
 	
 	
-	protected 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 $text;
-	}
-	protected function _doAbbreviations_callback($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 $matches[0];
-		}
-	}
+    protected function doAbbreviations($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 $text;
+    }
+    protected function _doAbbreviations_callback($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];
+        }
+    }
 
 }
 
 // https://github.com/egil/php-markdown-extra-extended
 class MarkdownExtraExtended extends MarkdownExtra {
-	# Tags that are always treated as block tags:
-	protected $block_tags_re = 'figure|figcaption|p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|address|form|fieldset|iframe|hr|legend';
+    # Tags that are always treated as block tags:
+    protected $block_tags_re = 'figure|figcaption|p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|address|form|fieldset|iframe|hr|legend';
 		
-	public function __construct() {
+    public function __construct() {
         /*
 		$this->block_gamut += array(
 			"doFencedFigures"   => 7
@@ -3169,29 +3169,29 @@ 
             "doClearBreaks"     =>  100
         );
 		
-		parent::__construct();
-	}
+        parent::__construct();
+    }
 
     public static function defaultTransform($text) {
-		# try to take parser from the static parser list
-		static $parser;
+        # try to take parser from the static parser list
+        static $parser;
 
-		# create the parser it not already set
-		if (!$parser) {
-			$parser = new MarkdownExtraExtended();
+        # create the parser it not already set
+        if (!$parser) {
+            $parser = new MarkdownExtraExtended();
         }
 
-		# Transform text using parser.
-		return $parser->transform($text);
-	}
+        # Transform text using parser.
+        return $parser->transform($text);
+    }
 	
-	public function doHardBreaks($text) {
-		# Do hard breaks:
-		# EXTENDED: changed to allow breaks without two spaces and just one new line
-		# original code /* return preg_replace_callback('/ {2,}\n/', */
-		return preg_replace_callback('/ *\n/', 
-			array($this, '_doHardBreaks_callback'), $text);
-	}
+    public function doHardBreaks($text) {
+        # Do hard breaks:
+        # EXTENDED: changed to allow breaks without two spaces and just one new line
+        # original code /* return preg_replace_callback('/ {2,}\n/', */
+        return preg_replace_callback('/ *\n/', 
+            array($this, '_doHardBreaks_callback'), $text);
+    }
 
     public function doClearBreaks($text) {
         return preg_replace("/\s*((?:<br \/>\n)+)\s*(<\/?(?:$this->block_tags_re|li|dd|dt)[^\d])/is",
@@ -3199,41 +3199,41 @@ 
     }
 
 
-	public function doBlockQuotes($text) {
-		$text = preg_replace_callback('/
+    public function doBlockQuotes($text) {
+        $text = preg_replace_callback('/
 			(?>^[ ]*>[ ]?
 				(?:\((.+?)\))?
 				[ ]*(.+\n(?:.+\n)*)
 			)+	
 			/xm',
-			array($this, '_doBlockQuotes_callback'), $text);
+            array($this, '_doBlockQuotes_callback'), $text);
 
-		return $text;
-	}
+        return $text;
+    }
 	
-	public function _doBlockQuotes_callback($matches) {
-		$cite = $matches[1];
-		$bq = '> ' . $matches[2];
-		# 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);
-		
-		$res = "<blockquote";
-		$res .= empty($cite) ? ">" : " cite=\"$cite\">";
-		$res .= "\n$bq\n</blockquote>";
-		return "\n". $this->hashBlock($res)."\n\n";
-	}
-
-	public function doFencedCodeBlocks($text) {
-		$less_than_tab = $this->tab_width;
-		
-		$text = preg_replace_callback('{
+    public function _doBlockQuotes_callback($matches) {
+        $cite = $matches[1];
+        $bq = '> ' . $matches[2];
+        # 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);
+		
+        $res = "<blockquote";
+        $res .= empty($cite) ? ">" : " cite=\"$cite\">";
+        $res .= "\n$bq\n</blockquote>";
+        return "\n". $this->hashBlock($res)."\n\n";
+    }
+
+    public function doFencedCodeBlocks($text) {
+        $less_than_tab = $this->tab_width;
+		
+        $text = preg_replace_callback('{
 				(?:\n|\A)
 				# 1: Opening marker
 				(
@@ -3253,26 +3253,26 @@ 
 				# Closing marker.
 				\1 [ ]* \n
 			}xm',
-			array($this, '_doFencedCodeBlocks_callback'), $text);
+            array($this, '_doFencedCodeBlocks_callback'), $text);
 
-		return $text;
-	}
+        return $text;
+    }
 	
-	public function _doFencedCodeBlocks_callback($matches) {
-		$codeblock = $this->unhash($matches[4]);
-		$codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES);
-		$codeblock = preg_replace_callback('/^\n+/',
-			array($this, '_doFencedCodeBlocks_newlines'), $codeblock);
-		//$codeblock = "<pre><code>$codeblock</code></pre>";
-		//$cb = "<pre><code";
-		$cb = empty($matches[3]) ? "<pre><code" : "<pre class=\"linenums:$matches[3]\"><code"; 
-		$cb .= empty($matches[2]) ? ">" : " class=\"lang-$matches[2]\">";
-		$cb .= "$codeblock</code></pre>";
-		return "\n\n".$this->hashBlock($cb)."\n\n";
-	}
-
-	public function doFencedFigures($text){
-		$text = preg_replace_callback('{
+    public function _doFencedCodeBlocks_callback($matches) {
+        $codeblock = $this->unhash($matches[4]);
+        $codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES);
+        $codeblock = preg_replace_callback('/^\n+/',
+            array($this, '_doFencedCodeBlocks_newlines'), $codeblock);
+        //$codeblock = "<pre><code>$codeblock</code></pre>";
+        //$cb = "<pre><code";
+        $cb = empty($matches[3]) ? "<pre><code" : "<pre class=\"linenums:$matches[3]\"><code"; 
+        $cb .= empty($matches[2]) ? ">" : " class=\"lang-$matches[2]\">";
+        $cb .= "$codeblock</code></pre>";
+        return "\n\n".$this->hashBlock($cb)."\n\n";
+    }
+
+    public function doFencedFigures($text){
+        $text = preg_replace_callback('{
 			(?:\n|\A)
 			# 1: Opening marker
 			(
@@ -3293,33 +3293,33 @@ 
 			\1 [ ]?(?:\[([^\]]+)\])?[ ]* \n
 		}xm', array($this, '_doFencedFigures_callback'), $text);		
 		
-		return $text;	
-	}
+        return $text;	
+    }
 	
-	public function _doFencedFigures_callback($matches) {
-		# get figcaption
-		$topcaption = empty($matches[2]) ? null : $this->runBlockGamut($matches[2]);
-		$bottomcaption = empty($matches[5]) ? null : $this->runBlockGamut($matches[5]);
-		$figure = $matches[3];
-		$figure = $this->runBlockGamut($figure); # recurse
-
-		$figure = preg_replace('/^/m', "  ", $figure);
-		# These leading spaces cause problem with <pre> content, 
-		# so we need to fix that - reuse blockqoute code to handle this:
-		$figure = preg_replace_callback('{(\s*<pre>.+?</pre>)}sx', 
-			array($this, '_doBlockQuotes_callback2'), $figure);
-		
-		$res = "<figure>";
-		if(!empty($topcaption)){
-			$res .= "\n<figcaption>$topcaption</figcaption>";
-		}
-		$res .= "\n$figure\n";
-		if(!empty($bottomcaption) && empty($topcaption)){
-			$res .= "<figcaption>$bottomcaption</figcaption>";
-		}
-		$res .= "</figure>";		
-		return "\n". $this->hashBlock($res)."\n\n";
-	}
+    public function _doFencedFigures_callback($matches) {
+        # get figcaption
+        $topcaption = empty($matches[2]) ? null : $this->runBlockGamut($matches[2]);
+        $bottomcaption = empty($matches[5]) ? null : $this->runBlockGamut($matches[5]);
+        $figure = $matches[3];
+        $figure = $this->runBlockGamut($figure); # recurse
+
+        $figure = preg_replace('/^/m', "  ", $figure);
+        # These leading spaces cause problem with <pre> content, 
+        # so we need to fix that - reuse blockqoute code to handle this:
+        $figure = preg_replace_callback('{(\s*<pre>.+?</pre>)}sx', 
+            array($this, '_doBlockQuotes_callback2'), $figure);
+		
+        $res = "<figure>";
+        if(!empty($topcaption)){
+            $res .= "\n<figcaption>$topcaption</figcaption>";
+        }
+        $res .= "\n$figure\n";
+        if(!empty($bottomcaption) && empty($topcaption)){
+            $res .= "<figcaption>$bottomcaption</figcaption>";
+        }
+        $res .= "</figure>";		
+        return "\n". $this->hashBlock($res)."\n\n";
+    }
 }
 
 

Spacing +205 added lines, -205 removed lines

@@ -42,7 +42,7 @@ 
 
 	### Version ###
 
-	const  MARKDOWNLIB_VERSION  =  "1.3";	
+	const  MARKDOWNLIB_VERSION = "1.3";	
 
 	### Configuration Variables ###
 
@@ -82,14 +82,14 @@ 
 		$this->prepareItalicsAndBold();
 	
 		$this->nested_brackets_re = 
-			str_repeat('(?>[^\[\]]+|\[', $this->nested_brackets_depth).
+			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('(?>[^()\s]+|\(', $this->nested_url_parenthesis_depth) .
 			str_repeat('(?>\)))*', $this->nested_url_parenthesis_depth);
 		
-		$this->escape_chars_re = '['.preg_quote($this->escape_chars).']';
+		$this->escape_chars_re = '[' . preg_quote($this->escape_chars) . ']';
 		
 		# Sort document, block, and span gamut in ascendent priority order.
 		asort($this->document_gamut);
@@ -201,7 +201,7 @@ 
 
 		# Link defs are in the form: ^[id]: url "optional title"
 		$text = preg_replace_callback('{
-							^[ ]{0,'.$less_than_tab.'}\[(.+)\][ ]?:	# id = $1
+							^[ ]{0,'.$less_than_tab . '}\[(.+)\][ ]?:	# id = $1
 							  [ ]*
 							  \n?				# maybe *one* newline
 							  [ ]*
@@ -230,7 +230,7 @@ 
 		$link_id = strtolower($matches[1]);
 		$url = $matches[2] == '' ? $matches[3] : $matches[2];
 		$this->urls[$link_id] = $url;
-		$this->titles[$link_id] =& $matches[4];
+		$this->titles[$link_id] = & $matches[4];
 		return ''; # String that will replace the block
 	}
 
@@ -254,9 +254,9 @@ 
 		# *  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|svg|'.
-						   'article|section|nav|aside|hgroup|header|footer|'.
+		$block_tags_b_re = 'p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|address|' .
+						   'script|noscript|form|fieldset|iframe|math|svg|' .
+						   'article|section|nav|aside|hgroup|header|footer|' .
 						   'figure';
 
 		# Regular expression for the content of a block tag.
@@ -281,12 +281,12 @@ 
 				  [^<]+			# content without tag
 				|
 				  <\2			# nested opening tag
-					'.$attr.'	# attributes
+					'.$attr . '	# attributes
 					(?>
 					  />
 					|
-					  >', $nested_tags_level).	# end of opening tag
-					  '.*?'.					# last level nested tag content
+					  >', $nested_tags_level) . # end of opening tag
+					  '.*?' . # last level nested tag content
 			str_repeat('
 					  </\2\s*>	# closing nested tag
 					)
@@ -319,20 +319,20 @@ 
 			  # 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
-						'.$content.'		# content, support nesting
+						[ ]{0,'.$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 >
-						'.$content2.'		# content, support nesting
+						[ ]{0,'.$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
@@ -340,16 +340,16 @@ 
 			| # Special case just for <hr />. It was easier to make a special 
 			  # case than to make the other regex more complicated.
 			
-						[ ]{0,'.$less_than_tab.'}
+						[ ]{0,'.$less_than_tab . '}
 						<(hr)				# start tag = $2
-						'.$attr.'			# attributes
+						'.$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,'.$less_than_tab.'}
+					[ ]{0,'.$less_than_tab . '}
 					(?s:
 						<!-- .*? -->
 					)
@@ -358,7 +358,7 @@ 
 			
 			| # PHP and ASP-style processor instructions (<? and <%)
 			
-					[ ]{0,'.$less_than_tab.'}
+					[ ]{0,'.$less_than_tab . '}
 					(?s:
 						<([?%])			# $2
 						.*?
@@ -469,7 +469,7 @@ 
 				[ ]*		# Tailing spaces
 				$			# End of line.
 			}mx',
-			"\n".$this->hashBlock("<hr$this->empty_element_suffix")."\n", 
+			"\n" . $this->hashBlock("<hr$this->empty_element_suffix") . "\n", 
 			$text);
 	}
 
@@ -533,7 +533,7 @@ 
 		$text = preg_replace_callback('{
 			(					# wrap whole match in $1
 			  \[
-				('.$this->nested_brackets_re.')	# link text = $2
+				('.$this->nested_brackets_re . ')	# link text = $2
 			  \]
 
 			  [ ]?				# one optional space
@@ -552,14 +552,14 @@ 
 		$text = preg_replace_callback('{
 			(				# wrap whole match in $1
 			  \[
-				('.$this->nested_brackets_re.')	# link text = $2
+				('.$this->nested_brackets_re . ')	# link text = $2
 			  \]
 			  \(			# literal paren
 				[ \n]*
 				(?:
 					<(.+?)>	# href = $3
 				|
-					('.$this->nested_url_parenthesis_re.')	# href = $4
+					('.$this->nested_url_parenthesis_re . ')	# href = $4
 				)
 				[ \n]*
 				(			# $5
@@ -591,9 +591,9 @@ 
 		return $text;
 	}
 	protected function _doAnchors_reference_callback($matches) {
-		$whole_match =  $matches[1];
-		$link_text   =  $matches[2];
-		$link_id     =& $matches[3];
+		$whole_match = $matches[1];
+		$link_text   = $matches[2];
+		$link_id     = & $matches[3];
 
 		if ($link_id == "") {
 			# for shortcut links like [this][] or [this].
@@ -609,10 +609,10 @@ 
 			$url = $this->encodeAttribute($url);
 			
 			$result = "<a href=\"$url\"";
-			if ( isset( $this->titles[$link_id] ) ) {
+			if (isset($this->titles[$link_id])) {
 				$title = $this->titles[$link_id];
 				$title = $this->encodeAttribute($title);
-				$result .=  " title=\"$title\"";
+				$result .= " title=\"$title\"";
 			}
 		
 			$link_text = $this->runSpanGamut($link_text);
@@ -625,17 +625,17 @@ 
 		return $result;
 	}
 	protected function _doAnchors_inline_callback($matches) {
-		$whole_match	=  $matches[1];
-		$link_text		=  $this->runSpanGamut($matches[2]);
-		$url			=  $matches[3] == '' ? $matches[4] : $matches[3];
-		$title			=& $matches[7];
+		$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\"";
+			$result .= " title=\"$title\"";
 		}
 		
 		$link_text = $this->runSpanGamut($link_text);
@@ -655,7 +655,7 @@ 
 		$text = preg_replace_callback('{
 			(				# wrap whole match in $1
 			  !\[
-				('.$this->nested_brackets_re.')		# alt text = $2
+				('.$this->nested_brackets_re . ')		# alt text = $2
 			  \]
 
 			  [ ]?				# one optional space
@@ -676,7 +676,7 @@ 
 		$text = preg_replace_callback('{
 			(				# wrap whole match in $1
 			  !\[
-				('.$this->nested_brackets_re.')		# alt text = $2
+				('.$this->nested_brackets_re . ')		# alt text = $2
 			  \]
 			  \s?			# One optional whitespace character
 			  \(			# literal paren
@@ -684,7 +684,7 @@ 
 				(?:
 					<(\S*)>	# src url = $3
 				|
-					('.$this->nested_url_parenthesis_re.')	# src url = $4
+					('.$this->nested_url_parenthesis_re . ')	# src url = $4
 				)
 				[ \n]*
 				(			# $5
@@ -716,7 +716,7 @@ 
 			if (isset($this->titles[$link_id])) {
 				$title = $this->titles[$link_id];
 				$title = $this->encodeAttribute($title);
-				$result .=  " title=\"$title\"";
+				$result .= " title=\"$title\"";
 			}
 			$result .= $this->empty_element_suffix;
 			$result = $this->hashPart($result);
@@ -729,17 +729,17 @@ 
 		return $result;
 	}
 	protected function _doImages_inline_callback($matches) {
-		$whole_match	= $matches[1];
-		$alt_text		= $matches[2];
-		$url			= $matches[3] == '' ? $matches[4] : $matches[3];
-		$title			=& $matches[7];
+		$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
+			$result .= " title=\"$title\""; # $title already quoted
 		}
 		$result .= $this->empty_element_suffix;
 
@@ -783,12 +783,12 @@ 
 			return $matches[0];
 		
 		$level = $matches[2]{0} == '=' ? 1 : 2;
-		$block = "<h$level>".$this->runSpanGamut($matches[1])."</h$level>";
+		$block = "<h$level>" . $this->runSpanGamut($matches[1]) . "</h$level>";
 		return "\n" . $this->hashBlock($block) . "\n\n";
 	}
 	protected function _doHeaders_callback_atx($matches) {
 		$level = strlen($matches[1]);
-		$block = "<h$level>".$this->runSpanGamut($matches[2])."</h$level>";
+		$block = "<h$level>" . $this->runSpanGamut($matches[2]) . "</h$level>";
 		return "\n" . $this->hashBlock($block) . "\n\n";
 	}
 
@@ -814,8 +814,8 @@ 
 			$whole_list_re = '
 				(								# $1 = whole list
 				  (								# $2
-					([ ]{0,'.$less_than_tab.'})	# $3 = number of spaces
-					('.$marker_re.')			# $4 = first list item marker
+					([ ]{0,'.$less_than_tab . '})	# $3 = number of spaces
+					('.$marker_re . ')			# $4 = first list item marker
 					[ ]+
 				  )
 				  (?s:.+?)
@@ -826,13 +826,13 @@ 
 					  (?=\S)
 					  (?!						# Negative lookahead for another list item marker
 						[ ]*
-						'.$marker_re.'[ ]+
+						'.$marker_re . '[ ]+
 					  )
 					|
 					  (?=						# Lookahead for another kind of list
 					    \n
 						\3						# Must have the same indentation
-						'.$other_marker_re.'[ ]+
+						'.$other_marker_re . '[ ]+
 					  )
 				  )
 				)
@@ -844,14 +844,14 @@ 
 			if ($this->list_level) {
 				$text = preg_replace_callback('{
 						^
-						'.$whole_list_re.'
+						'.$whole_list_re . '
 					}mx',
 					array($this, '_doLists_callback'), $text);
 			}
 			else {
 				$text = preg_replace_callback('{
 						(?:(?<=\n)\n?|\A\n?) # Must eat the newline
-						'.$whole_list_re.'
+						'.$whole_list_re . '
 					}mx',
 					array($this, '_doLists_callback'), $text);
 			}
@@ -868,13 +868,13 @@ 
 		$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 );
+		$marker_any_re = ($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";
+		return "\n" . $result . "\n\n";
 	}
 
 	protected $list_level = 0;
@@ -913,12 +913,12 @@ 
 		$list_str = preg_replace_callback('{
 			(\n)?							# leading line = $1
 			(^[ ]*)							# leading whitespace = $2
-			('.$marker_any_re.'				# list marker and space = $3
+			('.$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))))
+			(?= \n* (\z | \2 ('.$marker_any_re . ') (?:[ ]+|(?=\n))))
 			}xm',
 			array($this, '_processListItems_callback'), $list_str);
 
@@ -927,17 +927,17 @@ 
 	}
 	protected function _processListItems_callback($matches) {
 		$item = $matches[4];
-		$leading_line =& $matches[1];
-		$leading_space =& $matches[2];
+		$leading_line = & $matches[1];
+		$leading_space = & $matches[2];
 		$marker_space = $matches[3];
-		$tailing_blank_line =& $matches[5];
+		$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");
+			$item = $this->runBlockGamut($this->outdent($item) . "\n");
 		}
 		else {
 			# Recursion for sub-lists:
@@ -958,11 +958,11 @@ 
 				(?:\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
+					[ ]{'.$this->tab_width . '}  # Lines must start with a tab or a tab-width of spaces
 					.*\n+
 				  )+
 				)
-				((?=^[ ]{0,'.$this->tab_width.'}\S)|\Z)	# Lookahead for non-space at line-start, or end of doc
+				((?=^[ ]{0,'.$this->tab_width . '}\S)|\Z)	# Lookahead for non-space at line-start, or end of doc
 			}xm',
 			array($this, '_doCodeBlocks_callback'), $text);
 
@@ -978,7 +978,7 @@ 
 		$codeblock = preg_replace('/\A\n+|\n+\z/', '', $codeblock);
 
 		$codeblock = "<pre><code>$codeblock\n</code></pre>";
-		return "\n\n".$this->hashBlock($codeblock)."\n\n";
+		return "\n\n" . $this->hashBlock($codeblock) . "\n\n";
 	}
 
 
@@ -1024,7 +1024,7 @@ 
 				$token_relist[] = $strong_re;
 				
 				# Construct master expression from list.
-				$token_re = '{('. implode('|', $token_relist) .')}';
+				$token_re = '{(' . implode('|', $token_relist) . ')}';
 				$this->em_strong_prepared_relist["$em$strong"] = $token_re;
 			}
 		}
@@ -1050,8 +1050,8 @@ 
 			#
 			$parts = preg_split($token_re, $text, 2, PREG_SPLIT_DELIM_CAPTURE);
 			$text_stack[0] .= $parts[0];
-			$token =& $parts[1];
-			$text =& $parts[2];
+			$token = & $parts[1];
+			$text = & $parts[2];
 			
 			if (empty($token)) {
 				# Reached end of text span: empty stack without emitting.
@@ -1078,7 +1078,7 @@ 
 				} 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);
+					$token_stack[0] = str_repeat($token{0}, 3 - $token_len);
 					$tag = $token_len == 2 ? "strong" : "em";
 					$span = $text_stack[0];
 					$span = $this->runSpanGamut($span);
@@ -1172,7 +1172,7 @@ 
 		$bq = $matches[1];
 		# trim one level of quoting - trim whitespace-only lines
 		$bq = preg_replace('/^[ ]*>[ ]?|^[ ]+$/m', '', $bq);
-		$bq = $this->runBlockGamut($bq);		# recurse
+		$bq = $this->runBlockGamut($bq); # recurse
 
 		$bq = preg_replace('/^/m', "  ", $bq);
 		# These leading spaces cause problem with <pre> content, 
@@ -1180,7 +1180,7 @@ 
 		$bq = preg_replace_callback('{(\s*<pre>.+?</pre>)}sx', 
 			array($this, '_doBlockQuotes_callback2'), $bq);
 
-		return "\n". $this->hashBlock("<blockquote>\n$bq\n</blockquote>")."\n\n";
+		return "\n" . $this->hashBlock("<blockquote>\n$bq\n</blockquote>") . "\n\n";
 	}
 	protected function _doBlockQuotes_callback2($matches) {
 		$pre = $matches[1];
@@ -1282,7 +1282,7 @@ 
 			# 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);;
+								'&amp;', $text); ;
 		}
 		# Encode remaining <'s
 		$text = str_replace('<', '&lt;', $text);
@@ -1346,17 +1346,17 @@ 
                     if ($level <= 0) {
                         $level = 1;
                     } else {
-                        $level ++;
+                        $level++;
                     }
                 } else {
-                    $level --;
+                    $level--;
                 }
             }
         }
 
         $this->tail = '';
         if ($level < 0) {
-            $link = preg_replace_callback("/\){1," . (- $level) . "}$/", 
+            $link = preg_replace_callback("/\){1," . (-$level) . "}$/", 
                 array($this, '_doAutoLinks_url_callback_callback'), $link);
         }
 
@@ -1394,7 +1394,7 @@ 
 	#
 		$addr = "mailto:" . $addr;
 		$chars = preg_split('/(?<!^)(?!$)/', $addr);
-		$seed = (int)abs(crc32($addr) / strlen($addr)); # Deterministic seed.
+		$seed = (int) abs(crc32($addr) / strlen($addr)); # Deterministic seed.
 		
 		foreach ($chars as $key => $char) {
 			$ord = ord($char);
@@ -1404,8 +1404,8 @@ 
 				# 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] = '&#'.$ord.';';
+				else if ($r < 45) $chars[$key] = '&#x' . dechex($ord) . ';';
+				else              $chars[$key] = '&#' . $ord . ';';
 			}
 		}
 		
@@ -1426,11 +1426,11 @@ 
 		
 		$span_re = '{
 				(
-					\\\\'.$this->escape_chars_re.'
+					\\\\'.$this->escape_chars_re . '
 				|
 					(?<![`\\\\])
 					`+						# code span marker
-			'.( $this->no_markup ? '' : '
+			'.($this->no_markup ? '' : '
 				|
 					<!--    .*?     -->		# comment
 				|
@@ -1446,7 +1446,7 @@ 
 					<[-a-zA-Z0-9:_]+\s*/> # xml-style empty tag
 				|
 					</[-a-zA-Z0-9:_]+\s*> # closing tag
-			').'
+			') . '
 				)
 				}xs';
 
@@ -1484,10 +1484,10 @@ 
 	#
 		switch ($token{0}) {
 			case "\\":
-				return $this->hashPart("&#". ord($token{1}). ";");
+				return $this->hashPart("&#" . ord($token{1}) . ";");
 			case "`":
 				# Search for end marker in remaining text.
-				if (preg_match('/^(.*?[^`])'.preg_quote($token).'(?!`)(.*)$/sm', 
+				if (preg_match('/^(.*?[^`])' . preg_quote($token) . '(?!`)(.*)$/sm', 
 					$str, $matches))
 				{
 					$str = $matches[2];
@@ -1505,7 +1505,7 @@ 
 	#
 	# Remove one level of line-leading tabs or spaces
 	#
-		return preg_replace('/^(\t|[ ]{1,'.$this->tab_width.'})/m', '', $text);
+		return preg_replace('/^(\t|[ ]{1,' . $this->tab_width . '})/m', '', $text);
 	}
 
 
@@ -1730,10 +1730,10 @@ 
 		# compose attributes as string
 		$attr_str = "";
 		if (!empty($id)) {
-			$attr_str .= ' id="'.$id.'"';
+			$attr_str .= ' id="' . $id . '"';
 		}
 		if (!empty($classes)) {
-			$attr_str .= ' class="'.implode(" ", $classes).'"';
+			$attr_str .= ' class="' . implode(" ", $classes) . '"';
 		}
 		return $attr_str;
 	}
@@ -1748,7 +1748,7 @@ 
 
 		# Link defs are in the form: ^[id]: url "optional title"
 		$text = preg_replace_callback('{
-							^[ ]{0,'.$less_than_tab.'}\[(.+)\][ ]?:	# id = $1
+							^[ ]{0,'.$less_than_tab . '}\[(.+)\][ ]?:	# id = $1
 							  [ ]*
 							  \n?				# maybe *one* newline
 							  [ ]*
@@ -1767,7 +1767,7 @@ 
 								[")]
 								[ ]*
 							)?	# title is optional
-					(?:[ ]* '.$this->id_class_attr_catch_re.' )?  # $5 = extra id & class attr
+					(?:[ ]* '.$this->id_class_attr_catch_re . ' )?  # $5 = extra id & class attr
 							(?:\n+|\Z)
 			}xm',
 			array($this, '_stripLinkDefinitions_callback'),
@@ -1778,8 +1778,8 @@ 
 		$link_id = strtolower($matches[1]);
 		$url = $matches[2] == '' ? $matches[3] : $matches[2];
 		$this->urls[$link_id] = $url;
-		$this->titles[$link_id] =& $matches[4];
-		$this->ref_attr[$link_id] = $this->doExtraAttributes("", $dummy =& $matches[5]);
+		$this->titles[$link_id] = & $matches[4];
+		$this->ref_attr[$link_id] = $this->doExtraAttributes("", $dummy = & $matches[5]);
 		return ''; # String that will replace the block
 	}
 
@@ -1824,7 +1824,7 @@ 
 		#
 		# Call the HTML-in-Markdown hasher.
 		#
-		list($text, ) = $this->_hashHTMLBlocks_inMarkdown($text);
+		list($text,) = $this->_hashHTMLBlocks_inMarkdown($text);
 		
 		return $text;
 	}
@@ -1873,10 +1873,10 @@ 
 				(					# $2: Capture whole tag.
 					</?					# Any opening or closing tag.
 						(?>				# Tag name.
-							'.$this->block_tags_re.'			|
-							'.$this->context_block_tags_re.'	|
-							'.$this->clean_tags_re.'        	|
-							(?!\s)'.$enclosing_tag_re.'
+							'.$this->block_tags_re . '			|
+							'.$this->context_block_tags_re . '	|
+							'.$this->clean_tags_re . '        	|
+							(?!\s)'.$enclosing_tag_re . '
 						)
 						(?:
 							(?=[\s"\'/a-zA-Z0-9])	# Allowed characters after tag name.
@@ -1896,33 +1896,33 @@ 
 				|
 					# Code span marker
 					`+
-				'. ( !$span ? ' # If not in span.
+				'. (!$span ? ' # If not in span.
 				|
 					# Indented code block
 					(?: ^[ ]*\n | ^ | \n[ ]*\n )
-					[ ]{'.($indent+4).'}[^\n]* \n
+					[ ]{'.($indent + 4) . '}[^\n]* \n
 					(?>
-						(?: [ ]{'.($indent+4).'}[^\n]* | [ ]* ) \n
+						(?: [ ]{'.($indent + 4) . '}[^\n]* | [ ]* ) \n
 					)*
 				|
 					# Fenced code block marker
 					(?<= ^ | \n )
-					[ ]{0,'.($indent+3).'}~{3,}
+					[ ]{0,'.($indent + 3) . '}~{3,}
 									[ ]*
 					(?:
 					\.?[-_:a-zA-Z0-9]+ # standalone class name
 					|
-						'.$this->id_class_attr_nocatch_re.' # extra attributes
+						'.$this->id_class_attr_nocatch_re . ' # extra attributes
 					)?
 					[ ]*
 					\n
-				' : '' ). ' # End (if not is span).
+				' : '') . ' # End (if not is span).
 				)
 			}xs';
 
 		
-		$depth = 0;		# Current depth inside the tag tree.
-		$parsed = "";	# Parsed text that will be returned.
+		$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
@@ -1964,7 +1964,7 @@ 
 			if ($tag{0} == "`") {
 				# Find corresponding end marker.
 				$tag_re = preg_quote($tag);
-				if (preg_match('{^(?>.+?|\n(?!\n))*?(?<!`)'.$tag_re.'(?!`)}',
+				if (preg_match('{^(?>.+?|\n(?!\n))*?(?<!`)' . $tag_re . '(?!`)}',
 					$text, $matches))
 				{
 					# End marker found: pass text unchanged until marker.
@@ -1979,11 +1979,11 @@ 
 			#
 			# Check for: Fenced code block marker.
 			#
-			else if (preg_match('{^\n?([ ]{0,'.($indent+3).'})(~+)}', $tag, $capture)) {
+			else if (preg_match('{^\n?([ ]{0,' . ($indent + 3) . '})(~+)}', $tag, $capture)) {
 				# Fenced code block marker: find matching end marker.
 				$fence_indent = strlen($capture[1]); # use captured indent in re
 				$fence_re = $capture[2]; # use captured fence in re
-				if (preg_match('{^(?>.*\n)*?[ ]{'.($fence_indent).'}'.$fence_re.'[ ]*(?:\n|$)}', $text,
+				if (preg_match('{^(?>.*\n)*?[ ]{' . ($fence_indent) . '}' . $fence_re . '[ ]*(?:\n|$)}', $text,
 					$matches)) 
 				{
 					# End marker found: pass text unchanged until marker.
@@ -2008,10 +2008,10 @@ 
 			#            Opening Context Block tag (like ins and del) 
 			#               used as a block tag (tag is alone on it's line).
 			#
-			else if (preg_match('{^<(?:'.$this->block_tags_re.')\b}', $tag) ||
-				(	preg_match('{^<(?:'.$this->context_block_tags_re.')\b}', $tag) &&
+			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, $text)	)
+					preg_match($newline_after_re, $text))
 				)
 			{
 				# Need to parse tag and following text using the HTML parser.
@@ -2025,7 +2025,7 @@ 
 			# Check for: Clean tag (like script, math)
 			#            HTML Comments, processing instructions.
 			#
-			else if (preg_match('{^<(?:'.$this->clean_tags_re.')\b}', $tag) ||
+			else if (preg_match('{^<(?:' . $this->clean_tags_re . ')\b}', $tag) ||
 				$tag{1} == '!' || $tag{1} == '?')
 			{
 				# Need to parse tag and following text using the HTML parser.
@@ -2040,13 +2040,13 @@ 
 			#
 			else if ($enclosing_tag_re !== '' &&
 				# Same name as enclosing tag.
-				preg_match('{^</?(?:'.$enclosing_tag_re.')\b}', $tag))
+				preg_match('{^</?(?:' . $enclosing_tag_re . ')\b}', $tag))
 			{
 				#
 				# Increase/decrease nested tag count.
 				#
 				if ($tag{1} == '/')						$depth--;
-				else if ($tag{strlen($tag)-2} != '/')	$depth++;
+				else if ($tag{strlen($tag) - 2} != '/')	$depth++;
 
 				if ($depth < 0) {
 					#
@@ -2118,11 +2118,11 @@ 
 				)
 			}xs';
 		
-		$original_text = $text;		# Save original text in case of faliure.
+		$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.
+		$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.
@@ -2161,7 +2161,7 @@ 
 			# Check for: Auto-close tag (like <hr/>)
 			#			 Comments and Processing Instructions.
 			#
-			if (preg_match('{^</?(?:'.$this->auto_close_tags_re.')\b}', $tag) ||
+			if (preg_match('{^</?(?:' . $this->auto_close_tags_re . ')\b}', $tag) ||
 				$tag{1} == '!' || $tag{1} == '?')
 			{
 				# Just add the tag to the block as if it was text.
@@ -2172,9 +2172,9 @@ 
 				# Increase/decrease nested tag count. Only do so if
 				# the tag's name match base tag's.
 				#
-				if (preg_match('{^</?'.$base_tag_name_re.'\b}', $tag)) {
+				if (preg_match('{^</?' . $base_tag_name_re . '\b}', $tag)) {
 					if ($tag{1} == '/')						$depth--;
-					else if ($tag{strlen($tag)-2} != '/')	$depth++;
+					else if ($tag{strlen($tag) - 2} != '/')	$depth++;
 				}
 				
 				#
@@ -2190,7 +2190,7 @@ 
 					# 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);
+						preg_match('{^<(?:' . $this->contain_span_tags_re . ')\b}', $tag);
 					
 					# Calculate indent before tag.
 					if (preg_match('/(?:^|\n)( *?)(?! ).*?$/', $block_text, $matches)) {
@@ -2264,7 +2264,7 @@ 
 		$text = preg_replace_callback('{
 			(					# wrap whole match in $1
 			  \[
-				('.$this->nested_brackets_re.')	# link text = $2
+				('.$this->nested_brackets_re . ')	# link text = $2
 			  \]
 
 			  [ ]?				# one optional space
@@ -2283,14 +2283,14 @@ 
 		$text = preg_replace_callback('{
 			(				# wrap whole match in $1
 			  \[
-				('.$this->nested_brackets_re.')	# link text = $2
+				('.$this->nested_brackets_re . ')	# link text = $2
 			  \]
 			  \(			# literal paren
 				[ \n]*
 				(?:
 					<(.+?)>	# href = $3
 				|
-					('.$this->nested_url_parenthesis_re.')	# href = $4
+					('.$this->nested_url_parenthesis_re . ')	# href = $4
 				)
 				[ \n]*
 				(			# $5
@@ -2300,7 +2300,7 @@ 
 				  [ \n]*	# ignore any spaces/tabs between closing quote and )
 				)?			# title is optional
 			  \)
-			  (?:[ ]? '.$this->id_class_attr_catch_re.' )?	 # $8 = id/class attributes
+			  (?:[ ]? '.$this->id_class_attr_catch_re . ' )?	 # $8 = id/class attributes
 			)
 			}xs',
 			array($this, '_doAnchors_inline_callback'), $text);
@@ -2323,9 +2323,9 @@ 
 		return $text;
 	}
 	protected function _doAnchors_reference_callback($matches) {
-		$whole_match =  $matches[1];
-		$link_text   =  $matches[2];
-		$link_id     =& $matches[3];
+		$whole_match = $matches[1];
+		$link_text   = $matches[2];
+		$link_id     = & $matches[3];
 
 		if ($link_id == "") {
 			# for shortcut links like [this][] or [this].
@@ -2341,10 +2341,10 @@ 
 			$url = $this->encodeAttribute($url);
 			
 			$result = "<a href=\"$url\"";
-			if ( isset( $this->titles[$link_id] ) ) {
+			if (isset($this->titles[$link_id])) {
 				$title = $this->titles[$link_id];
 				$title = $this->encodeAttribute($title);
-				$result .=  " title=\"$title\"";
+				$result .= " title=\"$title\"";
 			}
 			if (isset($this->ref_attr[$link_id]))
 				$result .= $this->ref_attr[$link_id];
@@ -2359,11 +2359,11 @@ 
 		return $result;
 	}
 	protected function _doAnchors_inline_callback($matches) {
-		$whole_match	=  $matches[1];
-		$link_text		=  $this->runSpanGamut($matches[2]);
-		$url			=  $matches[3] == '' ? $matches[4] : $matches[3];
-		$title			=& $matches[7];
-		$attr  = $this->doExtraAttributes("a", $dummy =& $matches[8]);
+		$whole_match = $matches[1];
+		$link_text = $this->runSpanGamut($matches[2]);
+		$url			= $matches[3] == '' ? $matches[4] : $matches[3];
+		$title = & $matches[7];
+		$attr  = $this->doExtraAttributes("a", $dummy = & $matches[8]);
 
 
 		$url = $this->encodeAttribute($url);
@@ -2371,7 +2371,7 @@ 
 		$result = "<a href=\"$url\"";
 		if (isset($title)) {
 			$title = $this->encodeAttribute($title);
-			$result .=  " title=\"$title\"";
+			$result .= " title=\"$title\"";
 		}
 		$result .= $attr;
 		
@@ -2392,7 +2392,7 @@ 
 		$text = preg_replace_callback('{
 			(				# wrap whole match in $1
 			  !\[
-				('.$this->nested_brackets_re.')		# alt text = $2
+				('.$this->nested_brackets_re . ')		# alt text = $2
 			  \]
 
 			  [ ]?				# one optional space
@@ -2413,7 +2413,7 @@ 
 		$text = preg_replace_callback('{
 			(				# wrap whole match in $1
 			  !\[
-				('.$this->nested_brackets_re.')		# alt text = $2
+				('.$this->nested_brackets_re . ')		# alt text = $2
 			  \]
 			  \s?			# One optional whitespace character
 			  \(			# literal paren
@@ -2421,7 +2421,7 @@ 
 				(?:
 					<(\S*)>	# src url = $3
 				|
-					('.$this->nested_url_parenthesis_re.')	# src url = $4
+					('.$this->nested_url_parenthesis_re . ')	# src url = $4
 				)
 				[ \n]*
 				(			# $5
@@ -2431,7 +2431,7 @@ 
 				  [ \n]*
 				)?			# title is optional
 			  \)
-			  (?:[ ]? '.$this->id_class_attr_catch_re.' )?	 # $8 = id/class attributes
+			  (?:[ ]? '.$this->id_class_attr_catch_re . ' )?	 # $8 = id/class attributes
 			)
 			}xs',
 			array($this, '_doImages_inline_callback'), $text);
@@ -2454,7 +2454,7 @@ 
 			if (isset($this->titles[$link_id])) {
 				$title = $this->titles[$link_id];
 				$title = $this->encodeAttribute($title);
-				$result .=  " title=\"$title\"";
+				$result .= " title=\"$title\"";
 			}
 			if (isset($this->ref_attr[$link_id]))
 				$result .= $this->ref_attr[$link_id];
@@ -2469,18 +2469,18 @@ 
 		return $result;
 	}
 	protected function _doImages_inline_callback($matches) {
-		$whole_match	= $matches[1];
-		$alt_text		= $matches[2];
+		$whole_match = $matches[1];
+		$alt_text = $matches[2];
 		$url			= $matches[3] == '' ? $matches[4] : $matches[3];
-		$title			=& $matches[7];
-		$attr  = $this->doExtraAttributes("img", $dummy =& $matches[8]);
+		$title = & $matches[7];
+		$attr  = $this->doExtraAttributes("img", $dummy = & $matches[8]);
 
 		$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
+			$result .= " title=\"$title\""; # $title already quoted
 		}
 		$result .= $attr;
 		$result .= $this->empty_element_suffix;
@@ -2503,7 +2503,7 @@ 
 		$text = preg_replace_callback(
 			'{
 				(^.+?)								# $1: Header text
-				(?:[ ]+ '.$this->id_class_attr_catch_re.' )?	 # $3 = id/class attributes
+				(?:[ ]+ '.$this->id_class_attr_catch_re . ' )?	 # $3 = id/class attributes
 				[ ]*\n(=+|-+)[ ]*\n+				# $3: Header footer
 			}mx',
 			array($this, '_doHeaders_callback_setext'), $text);
@@ -2521,7 +2521,7 @@ 
 				(.+?)		# $2 = Header text
 				[ ]*
 				\#*			# optional closing #\'s (not counted)
-				(?:[ ]+ '.$this->id_class_attr_catch_re.' )?	 # $3 = id/class attributes
+				(?:[ ]+ '.$this->id_class_attr_catch_re . ' )?	 # $3 = id/class attributes
 				[ ]*
 				\n+
 			}xm',
@@ -2533,14 +2533,14 @@ 
 		if ($matches[3] == '-' && preg_match('{^- }', $matches[1]))
 			return $matches[0];
 		$level = $matches[3]{0} == '=' ? 1 : 2;
-		$attr  = $this->doExtraAttributes("h$level", $dummy =& $matches[2]);
-		$block = "<h$level$attr>".$this->runSpanGamut($matches[1])."</h$level>";
+		$attr  = $this->doExtraAttributes("h$level", $dummy = & $matches[2]);
+		$block = "<h$level$attr>" . $this->runSpanGamut($matches[1]) . "</h$level>";
 		return "\n" . $this->hashBlock($block) . "\n\n";
 	}
 	protected function _doHeaders_callback_atx($matches) {
 		$level = strlen($matches[1]);
-		$attr  = $this->doExtraAttributes("h$level", $dummy =& $matches[3]);
-		$block = "<h$level$attr>".$this->runSpanGamut($matches[2])."</h$level>";
+		$attr  = $this->doExtraAttributes("h$level", $dummy = & $matches[3]);
+		$block = "<h$level$attr>" . $this->runSpanGamut($matches[2]) . "</h$level>";
 		return "\n" . $this->hashBlock($block) . "\n\n";
 	}
 
@@ -2561,11 +2561,11 @@ 
 		$text = preg_replace_callback('
 			{
 				^							# Start of a line
-				[ ]{0,'.$less_than_tab.'}	# Allowed whitespace.
+				[ ]{0,'.$less_than_tab . '}	# Allowed whitespace.
 				[|]							# Optional leading pipe (present)
 				(.+) \n						# $1: Header row (at least one pipe)
 				
-				[ ]{0,'.$less_than_tab.'}	# Allowed whitespace.
+				[ ]{0,'.$less_than_tab . '}	# Allowed whitespace.
 				[|] ([ ]*[-:]+[-| :]*) \n	# $2: Header underline
 				
 				(							# $3: Cells
@@ -2589,10 +2589,10 @@ 
 		$text = preg_replace_callback('
 			{
 				^							# Start of a line
-				[ ]{0,'.$less_than_tab.'}	# Allowed whitespace.
+				[ ]{0,'.$less_than_tab . '}	# Allowed whitespace.
 				(\S.*[|].*) \n				# $1: Header row (at least one pipe)
 				
-				[ ]{0,'.$less_than_tab.'}	# Allowed whitespace.
+				[ ]{0,'.$less_than_tab . '}	# Allowed whitespace.
 				([-:]+[ ]*[|][-| :]*) \n	# $2: Header underline
 				
 				(							# $3: Cells
@@ -2607,8 +2607,8 @@ 
 		return $text;
 	}
 	protected function _doTable_leadingPipe_callback($matches) {
-		$head		= $matches[1];
-		$underline	= $matches[2];
+		$head = $matches[1];
+		$underline = $matches[2];
 		$content	= $matches[3];
 		
 		# Remove leading pipe for each row.
@@ -2625,14 +2625,14 @@ 
 		return " class=\"$classname\"";
 	}
 	protected function _doTable_callback($matches) {
-		$head		= $matches[1];
-		$underline	= $matches[2];
-		$content	= $matches[3];
+		$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);
+		$head = preg_replace('/[|] *$/m', '', $head);
+		$underline = preg_replace('/[|] *$/m', '', $underline);
+		$content = preg_replace('/[|] *$/m', '', $content);
 		
 		# Reading alignement from header underline.
 		$separators	= preg_split('/ *[|] */', $underline);
@@ -2649,17 +2649,17 @@ 
 		
 		# 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);
-		$attr       = array_pad($attr, $col_count, '');
+		$head = $this->parseSpan($head);
+		$headers = preg_split('/ *[|] */', $head);
+		$col_count = count($headers);
+		$attr = array_pad($attr, $col_count, '');
 		
 		# 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";
+			$text .= "  <th$attr[$n]>" . $this->runSpanGamut(trim($header)) . "</th>\n";
 		$text .= "</tr>\n";
 		$text .= "</thead>\n";
 		
@@ -2678,7 +2678,7 @@ 
 			
 			$text .= "<tr>\n";
 			foreach ($row_cells as $n => $cell)
-				$text .= "  <td$attr[$n]>".$this->runSpanGamut(trim($cell))."</td>\n";
+				$text .= "  <td$attr[$n]>" . $this->runSpanGamut(trim($cell)) . "</td>\n";
 			$text .= "</tr>\n";
 		}
 		$text .= "</tbody>\n";
@@ -2698,10 +2698,10 @@ 
 		$whole_list_re = '(?>
 			(								# $1 = whole list
 			  (								# $2
-				[ ]{0,'.$less_than_tab.'}
+				[ ]{0,'.$less_than_tab . '}
 				((?>.*\S.*\n)+)				# $3 = defined term
 				\n?
-				[ ]{0,'.$less_than_tab.'}:[ ]+ # colon starting definition
+				[ ]{0,'.$less_than_tab . '}:[ ]+ # colon starting definition
 			  )
 			  (?s:.+?)
 			  (								# $4
@@ -2710,13 +2710,13 @@ 
 				  \n{2,}
 				  (?=\S)
 				  (?!						# Negative lookahead for another term
-					[ ]{0,'.$less_than_tab.'}
+					[ ]{0,'.$less_than_tab . '}
 					(?: \S.*\n )+?			# defined term
 					\n?
-					[ ]{0,'.$less_than_tab.'}:[ ]+ # colon starting definition
+					[ ]{0,'.$less_than_tab . '}:[ ]+ # colon starting definition
 				  )
 				  (?!						# Negative lookahead for another definition
-					[ ]{0,'.$less_than_tab.'}:[ ]+ # colon starting definition
+					[ ]{0,'.$less_than_tab . '}:[ ]+ # colon starting definition
 				  )
 			  )
 			)
@@ -2724,7 +2724,7 @@ 
 
 		$text = preg_replace_callback('{
 				(?>\A\n?|(?<=\n\n))
-				'.$whole_list_re.'
+				'.$whole_list_re . '
 			}mx',
 			array($this, '_doDefLists_callback'), $text);
 
@@ -2756,7 +2756,7 @@ 
 		$list_str = preg_replace_callback('{
 			(?>\A\n?|\n\n+)					# leading line
 			(								# definition terms = $1
-				[ ]{0,'.$less_than_tab.'}	# leading whitespace
+				[ ]{0,'.$less_than_tab . '}	# leading whitespace
 				(?!\:[ ]|[ ])				# negative lookahead for a definition
 											#   mark (colon) or more whitespace.
 				(?> \S.* \n)+?				# actual term (not whitespace).	
@@ -2770,13 +2770,13 @@ 
 		$list_str = preg_replace_callback('{
 			\n(\n+)?						# leading line = $1
 			(								# marker space = $2
-				[ ]{0,'.$less_than_tab.'}	# whitespace before colon
+				[ ]{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.'} \:[ ]	|
+					[ ]{0,'.$less_than_tab . '} \:[ ]	|
 					<dt> | \z
 				)						
 			)					
@@ -2797,13 +2797,13 @@ 
 	protected function _processDefListItems_callback_dd($matches) {
 		$leading_line	= $matches[1];
 		$marker_space	= $matches[2];
-		$def			= $matches[3];
+		$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";
+			$def = "\n" . $def . "\n";
 		}
 		else {
 			$def = rtrim($def);
@@ -2834,7 +2834,7 @@ 
 				(?:
 					\.?([-_:a-zA-Z0-9]+) # 2: standalone class name
 				|
-					'.$this->id_class_attr_catch_re.' # 3: Extra attributes
+					'.$this->id_class_attr_catch_re . ' # 3: Extra attributes
 				)?
 				[ ]* \n # Whitespace and newline following marker.
 				
@@ -2854,8 +2854,8 @@ 
 		return $text;
 	}
 	protected function _doFencedCodeBlocks_callback($matches) {
-		$classname =& $matches[2];
-		$attrs     =& $matches[3];
+		$classname = & $matches[2];
+		$attrs     = & $matches[3];
 		$codeblock = $matches[4];
 		$codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES);
 		$codeblock = preg_replace_callback('/^\n+/',
@@ -2864,15 +2864,15 @@ 
 		if ($classname != "") {
 			if ($classname{0} == '.')
 				$classname = substr($classname, 1);
-			$attr_str = ' class="'.$this->code_class_prefix.$classname.'"';
+			$attr_str = ' class="' . $this->code_class_prefix . $classname . '"';
 		} else {
 			$attr_str = $this->doExtraAttributes($this->code_attr_on_pre ? "pre" : "code", $attrs);
 		}
 		$pre_attr_str  = $this->code_attr_on_pre ? $attr_str : '';
 		$code_attr_str = $this->code_attr_on_pre ? '' : $attr_str;
-		$codeblock  = "<pre$pre_attr_str><code$code_attr_str>$codeblock</code></pre>";
+		$codeblock = "<pre$pre_attr_str><code$code_attr_str>$codeblock</code></pre>";
 		
-		return "\n\n".$this->hashBlock($codeblock)."\n\n";
+		return "\n\n" . $this->hashBlock($codeblock) . "\n\n";
 	}
 	protected function _doFencedCodeBlocks_newlines($matches) {
 		return str_repeat("<br$this->empty_element_suffix", 
@@ -2948,7 +2948,7 @@ 
 
 		# Link defs are in the form: [^id]: url "optional title"
 		$text = preg_replace_callback('{
-			^[ ]{0,'.$less_than_tab.'}\[\^(.+?)\][ ]?:	# note_id = $1
+			^[ ]{0,'.$less_than_tab . '}\[\^(.+?)\][ ]?:	# note_id = $1
 			  [ ]*
 			  \n?					# maybe *one* newline
 			(						# text = $2 (no blank lines allowed)
@@ -2995,7 +2995,7 @@ 
 		if (!empty($this->footnotes_ordered)) {
 			$text .= "\n\n";
 			$text .= "<div class=\"footnotes\">\n";
-			$text .= "<hr". $this->empty_element_suffix ."\n";
+			$text .= "<hr" . $this->empty_element_suffix . "\n";
 			$text .= "<ol>\n\n";
 			
 			$attr = " rev=\"footnote\"";
@@ -3055,7 +3055,7 @@ 
 		# Create footnote marker only if it has a corresponding footnote *and*
 		# the footnote hasn't been used by another marker.
 		if (isset($this->footnotes[$node_id])) {
-			$num =& $this->footnotes_numbers[$node_id];
+			$num = & $this->footnotes_numbers[$node_id];
 			if (!isset($num)) {
 				# Transfer footnote content to the ordered list and give it its
 				# number
@@ -3083,12 +3083,12 @@ 
 			$node_id = $this->encodeAttribute($node_id);
 			
 			return
-				"<sup id=\"fnref$ref_count_mark:$node_id\">".
-				"<a href=\"#fn:$node_id\"$attr>$num</a>".
+				"<sup id=\"fnref$ref_count_mark:$node_id\">" .
+				"<a href=\"#fn:$node_id\"$attr>$num</a>" .
 				"</sup>";
 		}
 		
-		return "[^".$matches[1]."]";
+		return "[^" . $matches[1] . "]";
 	}
 		
 	
@@ -3102,7 +3102,7 @@ 
 
 		# Link defs are in the form: [id]*: url "optional title"
 		$text = preg_replace_callback('{
-			^[ ]{0,'.$less_than_tab.'}\*\[(.+?)\][ ]?:	# abbr_id = $1
+			^[ ]{0,'.$less_than_tab . '}\*\[(.+?)\][ ]?:	# abbr_id = $1
 			(.*)					# text = $2 (no blank lines allowed)	
 			}xm',
 			array($this, '_stripAbbreviations_callback'),
@@ -3127,10 +3127,10 @@ 
 		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])'.
+			$text = preg_replace_callback('{' .
+				'(?<![\w\x1A])' .
+				'(?:' . $this->abbr_word_re . ')' .
+				'(?![\w\x1A])' .
 				'}', 
 				array($this, '_doAbbreviations_callback'), $text);
 		}
@@ -3216,7 +3216,7 @@ 
 		$bq = '> ' . $matches[2];
 		# trim one level of quoting - trim whitespace-only lines
 		$bq = preg_replace('/^[ ]*>[ ]?|^[ ]+$/m', '', $bq);
-		$bq = $this->runBlockGamut($bq);		# recurse
+		$bq = $this->runBlockGamut($bq); # recurse
 
 		$bq = preg_replace('/^/m', "  ", $bq);
 		# These leading spaces cause problem with <pre> content, 
@@ -3227,7 +3227,7 @@ 
 		$res = "<blockquote";
 		$res .= empty($cite) ? ">" : " cite=\"$cite\">";
 		$res .= "\n$bq\n</blockquote>";
-		return "\n". $this->hashBlock($res)."\n\n";
+		return "\n" . $this->hashBlock($res) . "\n\n";
 	}
 
 	public function doFencedCodeBlocks($text) {
@@ -3268,10 +3268,10 @@ 
 		$cb = empty($matches[3]) ? "<pre><code" : "<pre class=\"linenums:$matches[3]\"><code"; 
 		$cb .= empty($matches[2]) ? ">" : " class=\"lang-$matches[2]\">";
 		$cb .= "$codeblock</code></pre>";
-		return "\n\n".$this->hashBlock($cb)."\n\n";
+		return "\n\n" . $this->hashBlock($cb) . "\n\n";
 	}
 
-	public function doFencedFigures($text){
+	public function doFencedFigures($text) {
 		$text = preg_replace_callback('{
 			(?:\n|\A)
 			# 1: Opening marker
@@ -3310,15 +3310,15 @@ 
 			array($this, '_doBlockQuotes_callback2'), $figure);
 		
 		$res = "<figure>";
-		if(!empty($topcaption)){
+		if (!empty($topcaption)) {
 			$res .= "\n<figcaption>$topcaption</figcaption>";
 		}
 		$res .= "\n$figure\n";
-		if(!empty($bottomcaption) && empty($topcaption)){
+		if (!empty($bottomcaption) && empty($topcaption)) {
 			$res .= "<figcaption>$bottomcaption</figcaption>";
 		}
 		$res .= "</figure>";		
-		return "\n". $this->hashBlock($res)."\n\n";
+		return "\n" . $this->hashBlock($res) . "\n\n";
 	}
 }
 

Braces +104 added lines, -74 removed lines

@@ -236,7 +236,9 @@ 
 
 
 	protected function hashHTMLBlocks($text) {
-		if ($this->no_markup)  return $text;
+		if ($this->no_markup) {
+		    return $text;
+		}
 
 		$less_than_tab = $this->tab_width - 1;
 
@@ -524,7 +526,9 @@ 
 	#
 	# Turn Markdown link shortcuts into XHTML <a> tags.
 	#
-		if ($this->in_anchor) return $text;
+		if ($this->in_anchor) {
+		    return $text;
+		}
 		$this->in_anchor = true;
 		
 		#
@@ -618,8 +622,7 @@ 
 			$link_text = $this->runSpanGamut($link_text);
 			$result .= ">$link_text</a>";
 			$result = $this->hashPart($result);
-		}
-		else {
+		} else {
 			$result = $whole_match;
 		}
 		return $result;
@@ -720,8 +723,7 @@ 
 			}
 			$result .= $this->empty_element_suffix;
 			$result = $this->hashPart($result);
-		}
-		else {
+		} else {
 			# If there's no such link ID, leave intact:
 			$result = $whole_match;
 		}
@@ -779,8 +781,9 @@ 
 	}
 	protected function _doHeaders_callback_setext($matches) {
 		# Terrible hack to check we haven't found an empty list item.
-		if ($matches[2] == '-' && preg_match('{^-(?: |$)}', $matches[1]))
-			return $matches[0];
+		if ($matches[2] == '-' && preg_match('{^-(?: |$)}', $matches[1])) {
+					return $matches[0];
+		}
 		
 		$level = $matches[2]{0} == '=' ? 1 : 2;
 		$block = "<h$level>".$this->runSpanGamut($matches[1])."</h$level>";
@@ -847,8 +850,7 @@ 
 						'.$whole_list_re.'
 					}mx',
 					array($this, '_doLists_callback'), $text);
-			}
-			else {
+			} else {
 				$text = preg_replace_callback('{
 						(?:(?<=\n)\n?|\A\n?) # Must eat the newline
 						'.$whole_list_re.'
@@ -938,8 +940,7 @@ 
 			# Replace marker with the appropriate whitespace indentation
 			$item = $leading_space . str_repeat(' ', strlen($marker_space)) . $item;
 			$item = $this->runBlockGamut($this->outdent($item)."\n");
-		}
-		else {
+		} else {
 			# Recursion for sub-lists:
 			$item = $this->doLists($this->outdent($item));
 			$item = preg_replace('/\n+$/', '', $item);
@@ -1209,8 +1210,7 @@ 
 				$value = preg_replace('/^([ ]*)/', "<p>", $value);
 				$value .= "</p>";
 				$grafs[$key] = $this->unhash($value);
-			}
-			else {
+			} else {
 				# Is a block.
 				# Modify elements of @grafs in-place...
 				$graf = $value;
@@ -1404,8 +1404,11 @@ 
 				# roughly 10% raw, 45% hex, 45% dec
 				# '@' *must* be encoded. I insist.
 				if ($r > 90 && $char != '@') /* do nothing */;
-				else if ($r < 45) $chars[$key] = '&#x'.dechex($ord).';';
-				else              $chars[$key] = '&#'.$ord.';';
+				else if ($r < 45) {
+				    $chars[$key] = '&#x'.dechex($ord).';';
+				} else {
+				    $chars[$key] = '&#'.$ord.';';
+				}
 			}
 		}
 		
@@ -1467,8 +1470,7 @@ 
 			if (isset($parts[1])) {
 				$output .= $this->handleSpanToken($parts[1], $parts[2]);
 				$str = $parts[2];
-			}
-			else {
+			} else {
 				break;
 			}
 		}
@@ -1550,7 +1552,9 @@ 
 	# function that will loosely count the number of UTF-8 characters with a
 	# regular expression.
 	#
-		if (function_exists($this->utf8_strlen)) return;
+		if (function_exists($this->utf8_strlen)) {
+		    return;
+		}
 		$this->utf8_strlen = array($this, '_utf8_strlen');
 	}
 
@@ -1674,8 +1678,9 @@ 
 		$this->footnote_counter = 1;
 		
 		foreach ($this->predef_abbr as $abbr_word => $abbr_desc) {
-			if ($this->abbr_word_re)
-				$this->abbr_word_re .= '|';
+			if ($this->abbr_word_re) {
+							$this->abbr_word_re .= '|';
+			}
 			$this->abbr_word_re .= preg_quote($abbr_word);
 			$this->abbr_desciptions[$abbr_word] = trim($abbr_desc);
 		}
@@ -1710,7 +1715,9 @@ 
 	#
 	# Currently supported attributes are .class and #id.
 	#
-		if (empty($attr)) return "";
+		if (empty($attr)) {
+		    return "";
+		}
 		
 		# Split on components
 		preg_match_all('/[#.][-_:a-zA-Z0-9]+/', $attr, $matches);
@@ -1723,7 +1730,9 @@ 
 			if ($element{0} == '.') {
 				$classes[] = substr($element, 1);
 			} else if ($element{0} == '#') {
-				if ($id === false) $id = substr($element, 1);
+				if ($id === false) {
+				    $id = substr($element, 1);
+				}
 			}
 		}
 
@@ -1819,7 +1828,9 @@ 
 	#  _HashHTMLBlocks_InMarkdown to handle the Markdown syntax within the tag.
 	# These two functions are calling each other. It's recursive!
 	#
-		if ($this->no_markup)  return $text;
+		if ($this->no_markup) {
+		    return $text;
+		}
 
 		#
 		# Call the HTML-in-Markdown hasher.
@@ -1856,7 +1867,9 @@ 
 	#
 	# Returns an array of that form: ( processed text , remaining text )
 	#
-		if ($text === '') return array('', '');
+		if ($text === '') {
+		    return array('', '');
+		}
 
 		# Regex to check for the presense of newlines around a block tag.
 		$newline_before_re = '/(?:^\n?|\n\n)*$/';
@@ -1970,8 +1983,7 @@ 
 					# End marker found: pass text unchanged until marker.
 					$parsed .= $tag . $matches[0];
 					$text = substr($text, strlen($matches[0]));
-				}
-				else {
+				} else {
 					# Unmatched marker: just skip it.
 					$parsed .= $tag;
 				}
@@ -1989,8 +2001,7 @@ 
 					# End marker found: pass text unchanged until marker.
 					$parsed .= $tag . $matches[0];
 					$text = substr($text, strlen($matches[0]));
-				}
-				else {
+				} else {
 					# No end marker: just skip it.
 					$parsed .= $tag;
 				}
@@ -2045,8 +2056,11 @@ 
 				#
 				# Increase/decrease nested tag count.
 				#
-				if ($tag{1} == '/')						$depth--;
-				else if ($tag{strlen($tag)-2} != '/')	$depth++;
+				if ($tag{1} == '/') {
+				    $depth--;
+				} else if ($tag{strlen($tag)-2} != '/') {
+				    $depth++;
+				}
 
 				if ($depth < 0) {
 					#
@@ -2058,8 +2072,7 @@ 
 				}
 				
 				$parsed .= $tag;
-			}
-			else {
+			} else {
 				$parsed .= $tag;
 			}
 		} while ($depth >= 0);
@@ -2077,7 +2090,9 @@ 
 	#
 	# Returns an array of that form: ( processed text , remaining text )
 	#
-		if ($text === '') return array('', '');
+		if ($text === '') {
+		    return array('', '');
+		}
 		
 		# Regex to match `markdown` attribute inside of a tag.
 		$markdown_attr_re = '
@@ -2128,8 +2143,9 @@ 
 		# 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 = $matches[1];
+		if (preg_match('/^<([\w:$]*)\b/', $text, $matches)) {
+					$base_tag_name_re = $matches[1];
+		}
 
 		#
 		# Loop through every tag until we find the corresponding closing tag.
@@ -2166,15 +2182,17 @@ 
 			{
 				# Just add the tag to the block as if it was text.
 				$block_text .= $tag;
-			}
-			else {
+			} else {
 				#
 				# Increase/decrease nested tag count. Only do so if
 				# the tag's name match base tag's.
 				#
 				if (preg_match('{^</?'.$base_tag_name_re.'\b}', $tag)) {
-					if ($tag{1} == '/')						$depth--;
-					else if ($tag{strlen($tag)-2} != '/')	$depth++;
+					if ($tag{1} == '/') {
+					    $depth--;
+					} else if ($tag{strlen($tag)-2} != '/') {
+					    $depth++;
+					}
 				}
 				
 				#
@@ -2221,13 +2239,17 @@ 
 					}
 					
 					# Append tag content to parsed text.
-					if (!$span_mode)	$parsed .= "\n\n$block_text\n\n";
-					else				$parsed .= "$block_text";
+					if (!$span_mode) {
+					    $parsed .= "\n\n$block_text\n\n";
+					} else {
+					    $parsed .= "$block_text";
+					}
 					
 					# Start over with a new block.
 					$block_text = "";
+				} else {
+				    $block_text .= $tag;
 				}
-				else $block_text .= $tag;
 			}
 			
 		} while ($depth > 0);
@@ -2255,7 +2277,9 @@ 
 	#
 	# Turn Markdown link shortcuts into XHTML <a> tags.
 	#
-		if ($this->in_anchor) return $text;
+		if ($this->in_anchor) {
+		    return $text;
+		}
 		$this->in_anchor = true;
 		
 		#
@@ -2346,14 +2370,14 @@ 
 				$title = $this->encodeAttribute($title);
 				$result .=  " title=\"$title\"";
 			}
-			if (isset($this->ref_attr[$link_id]))
-				$result .= $this->ref_attr[$link_id];
+			if (isset($this->ref_attr[$link_id])) {
+							$result .= $this->ref_attr[$link_id];
+			}
 		
 			$link_text = $this->runSpanGamut($link_text);
 			$result .= ">$link_text</a>";
 			$result = $this->hashPart($result);
-		}
-		else {
+		} else {
 			$result = $whole_match;
 		}
 		return $result;
@@ -2456,12 +2480,12 @@ 
 				$title = $this->encodeAttribute($title);
 				$result .=  " title=\"$title\"";
 			}
-			if (isset($this->ref_attr[$link_id]))
-				$result .= $this->ref_attr[$link_id];
+			if (isset($this->ref_attr[$link_id])) {
+							$result .= $this->ref_attr[$link_id];
+			}
 			$result .= $this->empty_element_suffix;
 			$result = $this->hashPart($result);
-		}
-		else {
+		} else {
 			# If there's no such link ID, leave intact:
 			$result = $whole_match;
 		}
@@ -2530,8 +2554,9 @@ 
 		return $text;
 	}
 	protected function _doHeaders_callback_setext($matches) {
-		if ($matches[3] == '-' && preg_match('{^- }', $matches[1]))
-			return $matches[0];
+		if ($matches[3] == '-' && preg_match('{^- }', $matches[1])) {
+					return $matches[0];
+		}
 		$level = $matches[3]{0} == '=' ? 1 : 2;
 		$attr  = $this->doExtraAttributes("h$level", $dummy =& $matches[2]);
 		$block = "<h$level$attr>".$this->runSpanGamut($matches[1])."</h$level>";
@@ -2618,8 +2643,9 @@ 
 	}
 	protected function _doTable_makeAlignAttr($alignname)
 	{
-		if (empty($this->table_align_class_tmpl))
-			return " align=\"$alignname\"";
+		if (empty($this->table_align_class_tmpl)) {
+					return " align=\"$alignname\"";
+		}
 
 		$classname = str_replace('%%', $alignname, $this->table_align_class_tmpl);
 		return " class=\"$classname\"";
@@ -2637,14 +2663,15 @@ 
 		# Reading alignement from header underline.
 		$separators	= preg_split('/ *[|] */', $underline);
 		foreach ($separators as $n => $s) {
-			if (preg_match('/^ *-+: *$/', $s))
-				$attr[$n] = $this->_doTable_makeAlignAttr('right');
-			else if (preg_match('/^ *:-+: *$/', $s))
-				$attr[$n] = $this->_doTable_makeAlignAttr('center');
-			else if (preg_match('/^ *:-+ *$/', $s))
-				$attr[$n] = $this->_doTable_makeAlignAttr('left');
-			else
-				$attr[$n] = '';
+			if (preg_match('/^ *-+: *$/', $s)) {
+							$attr[$n] = $this->_doTable_makeAlignAttr('right');
+			} else if (preg_match('/^ *:-+: *$/', $s)) {
+							$attr[$n] = $this->_doTable_makeAlignAttr('center');
+			} else if (preg_match('/^ *:-+ *$/', $s)) {
+							$attr[$n] = $this->_doTable_makeAlignAttr('left');
+			} else {
+							$attr[$n] = '';
+			}
 		}
 		
 		# Parsing span elements, including code spans, character escapes, 
@@ -2658,8 +2685,9 @@ 
 		$text = "<table>\n";
 		$text .= "<thead>\n";
 		$text .= "<tr>\n";
-		foreach ($headers as $n => $header)
-			$text .= "  <th$attr[$n]>".$this->runSpanGamut(trim($header))."</th>\n";
+		foreach ($headers as $n => $header) {
+					$text .= "  <th$attr[$n]>".$this->runSpanGamut(trim($header))."</th>\n";
+		}
 		$text .= "</tr>\n";
 		$text .= "</thead>\n";
 		
@@ -2677,8 +2705,9 @@ 
 			$row_cells = array_pad($row_cells, $col_count, '');
 			
 			$text .= "<tr>\n";
-			foreach ($row_cells as $n => $cell)
-				$text .= "  <td$attr[$n]>".$this->runSpanGamut(trim($cell))."</td>\n";
+			foreach ($row_cells as $n => $cell) {
+							$text .= "  <td$attr[$n]>".$this->runSpanGamut(trim($cell))."</td>\n";
+			}
 			$text .= "</tr>\n";
 		}
 		$text .= "</tbody>\n";
@@ -2804,8 +2833,7 @@ 
 			$def = str_repeat(' ', strlen($marker_space)) . $def;
 			$def = $this->runBlockGamut($this->outdent($def . "\n\n"));
 			$def = "\n". $def ."\n";
-		}
-		else {
+		} else {
 			$def = rtrim($def);
 			$def = $this->runSpanGamut($this->outdent($def));
 		}
@@ -2862,8 +2890,9 @@ 
 			array($this, '_doFencedCodeBlocks_newlines'), $codeblock);
 
 		if ($classname != "") {
-			if ($classname{0} == '.')
-				$classname = substr($classname, 1);
+			if ($classname{0} == '.') {
+							$classname = substr($classname, 1);
+			}
 			$attr_str = ' class="'.$this->code_class_prefix.$classname.'"';
 		} else {
 			$attr_str = $this->doExtraAttributes($this->code_attr_on_pre ? "pre" : "code", $attrs);
@@ -3112,8 +3141,9 @@ 
 	protected function _stripAbbreviations_callback($matches) {
 		$abbr_word = $matches[1];
 		$abbr_desc = $matches[2];
-		if ($this->abbr_word_re)
-			$this->abbr_word_re .= '|';
+		if ($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

example/app/libraries/Page.php

Doc Comments +1 added lines, -1 removed lines

@@ -38,7 +38,7 @@
     /**
      * 架构函数
      * @param array $totalRows  总的记录数
-     * @param array $listRows  每页显示记录数
+     * @param integer $listRows  每页显示记录数
      * @param array $parameter  分页跳转的参数
      */
     public function __construct($totalRows, $listRows = 20, $parameter = array())

Braces +4 added lines, -8 removed lines

@@ -131,12 +131,10 @@ 
             if (($this->nowPage - $now_cool_page) <= 0)
             {
                 $page = $i;
-            }
-            elseif (($this->nowPage + $now_cool_page - 1) >= $this->totalPages)
+            } elseif (($this->nowPage + $now_cool_page - 1) >= $this->totalPages)
             {
                 $page = $this->totalPages - $this->rollPage + $i;
-            }
-            else
+            } else
             {
                 $page = $this->nowPage - $now_cool_page_ceil + $i;
             }
@@ -146,13 +144,11 @@ 
                 if ($page <= $this->totalPages)
                 {
                     $link_page .= '<a class="num" href="' . $this->url($page) . '">' . $page . '</a>';
-                }
-                else
+                } else
                 {
                     break;
                 }
-            }
-            else
+            } else
             {
                 if ($page > 0 && $this->totalPages != 1)
                 {

src/App.php

Unused Use Statements -1 removed lines

@@ -33,7 +33,6 @@
  */
 namespace Kotori;
 
-use Kotori\Core\Build;
 use Kotori\Core\Config;
 use Kotori\Core\Helper;
 use Kotori\Http\Route;

src/Core/Cache.php

Doc Comments -1 removed lines

@@ -188,7 +188,6 @@
     /**
      * Is the requested driver supported in this environment?
      *
-     * @param string $key The driver to test
      * @return array
      */
     public function isSupported($driver)

src/Core/Cache/Dummy.php

Doc Comments +2 added lines, -2 removed lines

@@ -92,7 +92,7 @@ 
      *
      * @param string $id Cache ID
      * @param int $offset Step/value to add
-     * @return mixed New value on success or FALSE on failure
+     * @return boolean New value on success or FALSE on failure
      */
     public function increment($id, $offset = 1)
     {
@@ -104,7 +104,7 @@ 
      *
      * @param string $id Cache ID
      * @param int $offset Step/value to reduce by
-     * @return mixed New value on success or FALSE on failure
+     * @return boolean New value on success or FALSE on failure
      */
     public function decrement($id, $offset = 1)
     {

src/Core/Handle.php

Doc Comments +8 added lines, -1 removed lines

@@ -252,7 +252,7 @@ 
      * @param string $type Error type
      * @param int $message Error string
      * @param string $file Error filepath
-     * @param int $errline Error line
+     * @param int $line Error line
      * @return string
      */
     protected static function renderHaltBody($type, $message, $line, $file)
@@ -347,6 +347,13 @@ 
      * @return string
      */
     // @codingStandardsIgnoreStart
+
+    /**
+     * @param string $type
+     * @param integer $message
+     * @param integer $line
+     * @param string $file
+     */
     protected static function renderErrorText($type, $message, $line, $file)
     {
         return $message . ' in ' . $file . ' on line ' . $line;

src/Core/View.php

Doc Comments -1 removed lines

@@ -112,7 +112,6 @@
     /**
      * Set variables for Template
      *
-     * @param string $name key
      * @param mixed $value value
      * @return View
      */

src/Http/Response.php

Doc Comments +1 added lines

@@ -120,6 +120,7 @@
     /**
      * Set current charset
      *
+     * @param string $charset
      * @return void
      */
     public function setCharset($charset = null)

src/Http/Request.php

Spacing +1 added lines, -1 removed lines

@@ -331,7 +331,7 @@
     {
         $possibleHostSources = ['HTTP_X_FORWARDED_HOST', 'HTTP_HOST', 'SERVER_NAME', 'SERVER_ADDR'];
         $sourceTransformations = [
-            "HTTP_X_FORWARDED_HOST" => function ($value) {
+            "HTTP_X_FORWARDED_HOST" => function($value) {
                 $elements = explode(',', $value);
                 return trim(end($elements));
             },