public __construct( ) (defined in Kohana_Kodoc_Markdown)

public function __construct()
{
    // doImage is 10, add image url just before
    $this->span_gamut['doImageURL'] = 9;

    // doLink is 20, add base url just before
    $this->span_gamut['doBaseURL'] = 19;

    // Add API links
    $this->span_gamut['doAPI'] = 90;

    // Add note spans last
    $this->span_gamut['doNotes'] = 100;

    // Parse Kohana view inclusions at the very end
    $this->document_gamut['doIncludeViews'] = 99;

    // Show table of contents for userguide pages
    $this->document_gamut['doTOC'] = 100;

    // Call parent constructor.
    parent::__construct();
}

public _doHeaders_callback_atx( array $matches ) (defined in Kohana_Kodoc_Markdown)

Parameters

• array $matches required - Matches from regex call

Return Values

• string - Generated html

function _doHeaders_callback_atx($matches)
{
    $level = strlen($matches[1]);
    $attr = $this->_doHeaders_attr($id = & $matches[3]);

    // Only auto-generate id if one doesn't exist
    if (empty($attr)) {
        $attr = ' id="' . $this->make_heading_id($matches[2]) . '"';
    }

    // Add this header to the page toc
    $this->_add_to_toc($level, $matches[2], $this->make_heading_id(empty($matches[3]) ? $matches[2] : $matches[3]));

    $block = "<h$level$attr>" . $this->runSpanGamut($matches[2]) . "</h$level>";
    return "\n" . $this->hashBlock($block) . "\n\n";
}

public _doHeaders_callback_setext( array $matches ) (defined in Kohana_Kodoc_Markdown)

Parameters

• array $matches required - Matches from regex call

Return Values

• string - Generated html

function _doHeaders_callback_setext($matches)
{
    if ($matches[3] == '-' AND preg_match('{^- }', $matches[1]))
        return $matches[0];
    $level = ($matches[3]{0} == '=') ? 1 : 2;
    $attr = $this->_doHeaders_attr($id = & $matches[2]);

    // Only auto-generate id if one doesn't exist
    if (empty($attr)) {
        $attr = ' id="' . $this->make_heading_id($matches[1]) . '"';
    }

    // Add this header to the page toc
    $this->_add_to_toc($level, $matches[1], $this->make_heading_id($matches[1]));

    $block = "<h$level$attr>" . $this->runSpanGamut($matches[1]) . "</h$level>";
    return "\n" . $this->hashBlock($block) . "\n\n";
}

public doAPI( string $text ) (defined in Kohana_Kodoc_Markdown)

[Class_Name], [Class::method] or [Class::$property]

Parameters

• string $text required - Span text

Return Values

• string

public function doAPI($text)
{
    return preg_replace_callback('/\[' . Kodoc::$regex_class_member . '\]/i', 'Kodoc::link_class_member', $text);
}

public doBaseURL( string $text ) (defined in Kohana_Kodoc_Markdown)

[filesystem](about.filesystem "Optional title")

Parameters

• string $text required - Span text

Return Values

• string

public function doBaseURL($text)
{
    // URLs containing "://" are left untouched
    return preg_replace('~(?<!!)(\[.+?\]\()(?!\w++://)(?!#)(\S*(?:\s*+".+?")?\))~', '$1' . Kodoc_Markdown::$base_url . '$2', $text);
}

public doImageURL( string $text ) (defined in Kohana_Kodoc_Markdown)

![Install Page](img/install.png "Optional title")

Parameters

• string $text required - Span text

Return Values

• string

public function doImageURL($text)
{
    // URLs containing "://" are left untouched
    return preg_replace('~(!\[.+?\]\()(?!\w++://)(\S*(?:\s*+".+?")?\))~', '$1' . Kodoc_Markdown::$image_url . '$2', $text);
}

public doIncludeViews( ) (defined in Kohana_Kodoc_Markdown)

public function doIncludeViews($text)
{
    if (preg_match_all('/{{([^\s{}]++)}}/', $text, $matches, PREG_SET_ORDER)) {
        $replace = array();

        foreach ($matches as $set) {
            list($search, $view) = $set;

            if (Kohana::find_file('views', $view)) {
                try {
                    $replace[$search] = View::factory($view)->render();
                } catch (Exception $e) {
                    /**
                     * Capture the exception handler output and insert it instead.
                     *
                     * NOTE: Is this really the correct way to handle an exception?
                     */
                    $response = Kohana_exception::_handler($e);

                    $replace[$search] = $response->body();
                }
            }
        }

        $text = strtr($text, $replace);
    }

    return $text;
}

public doNotes( string $text ) (defined in Kohana_Kodoc_Markdown)

[!!] Remember the milk!

Parameters

• string $text required - Span text

Return Values

• string

public function doNotes($text)
{
    if (!preg_match('/^\[!!\]\s*+(.+?)(?=\n{2,}|$)/s', $text, $match)) {
        return $text;
    }

    return $this->hashBlock('<p class="note">' . $match[1] . '</p>');
}

public doTOC( ) (defined in Kohana_Kodoc_Markdown)

public function doTOC($text)
{
    // Only add the toc do userguide pages, not api since they already have one
    if (self::$show_toc AND Route::name(Request::current()->route()) == "docs/guide") {
        $toc = View::factory('userguide/page-toc')
            ->set('array', self::$_toc)
            ->render()
        ;

        if (($offset = strpos($text, '<p>')) !== FALSE) {
            // Insert the page TOC just before the first <p>, which every
            // Markdown page should (will?) have.
            $text = substr_replace($text, $toc, $offset, 0);
        }
    }

    return $text;
}

public make_heading_id( string $heading ) (defined in Kohana_Kodoc_Markdown)

Parameters

• string $heading required - The heading text

Return Values

• string - ID for the heading

function make_heading_id($heading)
{
    $id = url::title($heading, '-', TRUE);

    if (isset($this->_heading_ids[$id])) {
        $id .= '-';

        $count = 0;

        while (isset($this->_heading_ids[$id]) AND ++ $count) {
            $id .= $count;
        }
    }

    return $id;
}

public static markdown( string $text ) (defined in Kohana_Kodoc_Markdown)

Parameters

• string $text required - Text to parse

Tags

• See - Markdown()

Return Values

• string - Transformed text

public static function markdown($text)
{
    static $instance;

    if ($instance === NULL) {
        $instance = new Kodoc_Markdown;
    }

    return $instance->transform($text);
}

public _appendFootnotes_callback( ) (defined in MarkdownExtra_Parser)

function _appendFootnotes_callback($matches)
{
    $node_id = $this->fn_id_prefix . $matches[1];

    # Create footnote marker only if it has a corresponding footnote *and*
    # the footnote hasn't been used by another marker.
    if (isset($this->footnotes[$node_id])) {
        # Transfert footnote content to the ordered list.
        $this->footnotes_ordered[$node_id] = $this->footnotes[$node_id];
        unset($this->footnotes[$node_id]);

        $num = $this->footnote_counter++;
        $attr = " rel=\"footnote\"";
        if ($this->fn_link_class != "") {
            $class = $this->fn_link_class;
            $class = $this->encodeAttribute($class);
            $attr .= " class=\"$class\"";
        }
        if ($this->fn_link_title != "") {
            $title = $this->fn_link_title;
            $title = $this->encodeAttribute($title);
            $attr .= " title=\"$title\"";
        }

        $attr = str_replace("%%", $num, $attr);
        $node_id = $this->encodeAttribute($node_id);

        return
            "<sup id=\"fnref:$node_id\">" .
            "<a href=\"#fn:$node_id\"$attr>$num</a>" .
            "</sup>";
    }

    return "[^" . $matches[1] . "]";
}

public _doAbbreviations_callback( ) (defined in MarkdownExtra_Parser)

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];
    }
}

public _doDefLists_callback( ) (defined in MarkdownExtra_Parser)

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";
}

public _doFencedCodeBlocks_callback( ) (defined in MarkdownExtra_Parser)

function _doFencedCodeBlocks_callback($matches)
{
    $codeblock = $matches[2];
    $codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES);
    $codeblock = preg_replace_callback('/^\n+/', array(&$this, '_doFencedCodeBlocks_newlines'), $codeblock);
    $codeblock = "<pre><code>$codeblock</code></pre>";
    return "\n\n" . $this->hashBlock($codeblock) . "\n\n";
}

public _doFencedCodeBlocks_newlines( ) (defined in MarkdownExtra_Parser)

function _doFencedCodeBlocks_newlines($matches)
{
    return str_repeat("<br$this->empty_element_suffix", strlen($matches[0]));
}

public _doHeaders_attr( ) (defined in MarkdownExtra_Parser)

function _doHeaders_attr($attr)
{
    if (empty($attr))
        return "";
    return " id=\"$attr\"";
}

public _doTable_callback( ) (defined in MarkdownExtra_Parser)

function _doTable_callback($matches)
{
    $head = $matches[1];
    $underline = $matches[2];
    $content = $matches[3];

    # Remove any tailing pipes for each line.
    $head = preg_replace('/[|] *$/m', '', $head);
    $underline = preg_replace('/[|] *$/m', '', $underline);
    $content = preg_replace('/[|] *$/m', '', $content);

    # Reading alignement from header underline.
    $separators = preg_split('/ *[|] */', $underline);
    foreach ($separators as $n => $s) {
        if (preg_match('/^ *-+: *$/', $s))
            $attr[$n] = ' align="right"';
        else if (preg_match('/^ *:-+: *$/', $s))
            $attr[$n] = ' align="center"';
        else if (preg_match('/^ *:-+ *$/', $s))
            $attr[$n] = ' align="left"';
        else
            $attr[$n] = '';
    }

    # Parsing span elements, including code spans, character escapes, 
    # and inline HTML tags, so that pipes inside those gets ignored.
    $head = $this->parseSpan($head);
    $headers = preg_split('/ *[|] */', $head);
    $col_count = count($headers);

    # Write column headers.
    $text = "<table>\n";
    $text .= "<thead>\n";
    $text .= "<tr>\n";
    foreach ($headers as $n => $header)
        $text .= "  <th$attr[$n]>" . $this->runSpanGamut(trim($header)) . "</th>\n";
    $text .= "</tr>\n";
    $text .= "</thead>\n";

    # Split content by row.
    $rows = explode("\n", trim($content, "\n"));

    $text .= "<tbody>\n";
    foreach ($rows as $row) {
        # Parsing span elements, including code spans, character escapes, 
        # and inline HTML tags, so that pipes inside those gets ignored.
        $row = $this->parseSpan($row);

        # Split row by cell.
        $row_cells = preg_split('/ *[|] */', $row, $col_count);
        $row_cells = array_pad($row_cells, $col_count, '');

        $text .= "<tr>\n";
        foreach ($row_cells as $n => $cell)
            $text .= "  <td$attr[$n]>" . $this->runSpanGamut(trim($cell)) . "</td>\n";
        $text .= "</tr>\n";
    }
    $text .= "</tbody>\n";
    $text .= "</table>";

    return $this->hashBlock($text) . "\n";
}

public _doTable_leadingPipe_callback( ) (defined in MarkdownExtra_Parser)

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));
}

public _hashHTMLBlocks_inHTML( ) (defined in MarkdownExtra_Parser)

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.
    # *   $md_attr indicate if the use of the `markdown="1"` attribute is allowed.
    #     (it is not inside clean tags)
    #
eturns an array of that form: ( processed text , remaining text )
    #
 ($text === '')
        return array('', '');

    # Regex to match `markdown` attribute inside of a tag.
    $markdown_attr_re = '

\s*			# Eat whitespace before the `markdown` attribute
markdown
\s*=\s*
(?>
	(["\'])		# $1: quote delimiter		
	(.*?)		# $2: attribute value
	\1			# matching delimiter	
|
	([^\s>]*)	# $3: unquoted attribute value
)
()				# $4: make $3 always defined (avoid warnings)
xs';

    # Regex to match any tag.
    $tag_re = '{
(					# $2: Capture hole tag.
	</?					# Any opening or closing tag.
		[\w:$]+			# Tag name.
		(?:
			(?=[\s"\'/a-zA-Z0-9])	# Allowed characters after tag name.
			(?>
				".*?"		|	# Double quotes (can contain `>`)
				\'.*?\'   	|	# Single quotes (can contain `>`)
				.+?				# Anything but quotes and `>`.
			)*?
		)?
	>					# End of tag.
|
	<!--    .*?     -->	# HTML Comment
|
	<\?.*?\?> | <%.*?%>	# Processing instruction
|
	<!\[CDATA\[.*?\]\]>	# CData Block
)
xs';

    $original_text = $text;  # Save original text in case of faliure.

    $depth = 0; # Current depth inside the tag tree.
    $block_text = ""; # Temporary text holder for current text.
    $parsed = ""; # Parsed text that will be returned.
    #
Get the name of the starting tag.
    # (This pattern makes $base_tag_name_re safe without quoting.)
    #
 (preg_match('/^<([\w:$]*)\b/', $text, $matches))
        $base_tag_name_re = $matches[1];

    #
    # Loop through every tag until we find the corresponding closing tag.
    #
 {
        #
        # Split the text using the first $tag_match pattern found.
        # Text before  pattern will be first in the array, text after
        # pattern will be at the end, and between will be any catches made 
        # by the pattern.
        #
parts = preg_split($tag_re, $text, 2, PREG_SPLIT_DELIM_CAPTURE);

        if (count($parts) < 3) {
            #
            # End of $text reached with unbalenced tag(s).
            # In that case, we return original text unchanged and pass the
            # first character as filtered to prevent an infinite loop in the 
            # parent function.
            #
return array($original_text{0}, substr($original_text, 1));
        }

        $block_text .= $parts[0]; # Text before current tag.
        $tag = $parts[1]; # Tag to handle.
        $text = $parts[2]; # Remaining text after current tag.
        #
 Check for: Auto-close tag (like <hr/>)
        #			 Comments and Processing Instructions.
        #
f (preg_match('{^</?(?:' . $this->auto_close_tags_re . ')\b}', $tag) ||
            $tag{1} == '!' || $tag{1} == '?') {
            # Just add the tag to the block as if it was text.
            $block_text .= $tag;
        } else {
            #
            # Increase/decrease nested tag count. Only do so if
            # the tag's name match base tag's.
            #
if (preg_match('{^</?' . $base_tag_name_re . '\b}', $tag)) {
                if ($tag{1} == '/')
                    $depth--;
                else if ($tag{strlen($tag) - 2} != '/')
                    $depth++;
            }

            #
            # Check for `markdown="1"` attribute and handle it.
            #
if ($md_attr &&
                preg_match($markdown_attr_re, $tag, $attr_m) &&
                preg_match('/^1|block|span$/', $attr_m[2] . $attr_m[3])) {
                # Remove `markdown` attribute from opening tag.
                $tag = preg_replace($markdown_attr_re, '', $tag);

                # Check if text inside this tag must be parsed in span mode.
                $this->mode = $attr_m[2] . $attr_m[3];
                $span_mode = $this->mode == 'span' || $this->mode != 'block' &&
                    preg_match('{^<(?:' . $this->contain_span_tags_re . ')\b}', $tag);

                # Calculate indent before tag.
                if (preg_match('/(?:^|\n)( *?)(?! ).*?$/', $block_text, $matches)) {
                    $strlen = $this->utf8_strlen;
                    $indent = $strlen($matches[1], 'UTF-8');
                } else {
                    $indent = 0;
                }

                # End preceding block with this tag.
                $block_text .= $tag;
                $parsed .= $this->$hash_method($block_text);

                # Get enclosing tag name for the ParseMarkdown function.
                # (This pattern makes $tag_name_re safe without quoting.)
                preg_match('/^<([\w:$]*)\b/', $tag, $matches);
                $tag_name_re = $matches[1];

                # Parse the content using the HTML-in-Markdown parser.
                list ($block_text, $text) = $this->_hashHTMLBlocks_inMarkdown($text, $indent, $tag_name_re, $span_mode);

                # Outdent markdown text.
                if ($indent > 0) {
                    $block_text = preg_replace("/^[ ]{1,$indent}/m", "", $block_text);
                }

                # Append tag content to parsed text.
                if (!$span_mode)
                    $parsed .= "\n\n$block_text\n\n";
                else
                    $parsed .= "$block_text";

                # Start over a new block.
                $block_text = "";
            } else
                $block_text .= $tag;
        }
    } while ($depth > 0);

    #
    # Hash last block text that wasn't processed inside the loop.
    #
arsed .= $this->$hash_method($block_text);

    return array($parsed, $text);
}

public _hashHTMLBlocks_inMarkdown( ) (defined in MarkdownExtra_Parser)

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 $span is true, text inside must treated as span. So any double 
    #     newline will be replaced by a single newline so that it does not create 
    #     paragraphs.
    #
eturns an array of that form: ( processed text , remaining text )
    #
 ($text === '')
        return array('', '');

    # Regex to check for the presense of newlines around a block tag.
    $newline_before_re = '/(?:^\n?|\n\n)*$/';
    $newline_after_re = '{
^						# Start of text following the tag.
(?>[ ]*<!--.*?-->)?		# Optional comment.
[ ]*\n					# Must be followed by newline.
xs';

    # Regex to match any tag.
    $block_tag_re = '{
(					# $2: Capture hole tag.
	</?					# Any opening or closing tag.
		(?>				# Tag name.
			' . $this->block_tags_re . '			|
			' . $this->context_block_tags_re . '	|
			' . $this->clean_tags_re . '        	|
			(?!\s)' . $enclosing_tag_re . '
		)
		(?:
			(?=[\s"\'/a-zA-Z0-9])	# Allowed characters after tag name.
			(?>
				".*?"		|	# Double quotes (can contain `>`)
				\'.*?\'   	|	# Single quotes (can contain `>`)
				.+?				# Anything but quotes and `>`.
			)*?
		)?
	>					# End of tag.
|
	<!--    .*?     -->	# HTML Comment
|
	<\?.*?\?> | <%.*?%>	# Processing instruction
|
	<!\[CDATA\[.*?\]\]>	# CData Block
|
	# Code span marker
	`+
' . (!$span ? ' # If not in span.
|
	# Indented code block
	(?> ^[ ]*\n? | \n[ ]*\n )
	[ ]{' . ($indent + 4) . '}[^\n]* \n
	(?>
		(?: [ ]{' . ($indent + 4) . '}[^\n]* | [ ]* ) \n
	)*
|
	# Fenced code block marker
	(?> ^ | \n )
	[ ]{' . ($indent) . '}~~~+[ ]*\n
' : '' ) . ' # End (if not is span).
)
xs';


    $depth = 0;  # Current depth inside the tag tree.
    $parsed = ""; # Parsed text that will be returned.
    #
Loop through every tag until we find the closing tag of the parent
    # or loop until reaching the end of text if no parent tag specified.
    #
 {
        #
        # Split the text using the first $tag_match pattern found.
        # Text before  pattern will be first in the array, text after
        # pattern will be at the end, and between will be any catches made 
        # by the pattern.
        #
parts = preg_split($block_tag_re, $text, 2, PREG_SPLIT_DELIM_CAPTURE);

        # If in Markdown span mode, add a empty-string span-level hash 
        # after each newline to prevent triggering any block element.
        if ($span) {
            $void = $this->hashPart("", ':');
            $newline = "$void\n";
            $parts[0] = $void . str_replace("\n", $newline, $parts[0]) . $void;
        }

        $parsed .= $parts[0]; # Text before current tag.
        # If end of $text has been reached. Stop loop.
        if (count($parts) < 3) {
            $text = "";
            break;
        }

        $tag = $parts[1]; # Tag to handle.
        $text = $parts[2]; # Remaining text after current tag.
        $tag_re = preg_quote($tag); # For use in a regular expression.
        #
 Check for: Code span marker
        #
f ($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 .= $tag;
            }
        }
        #
        # Check for: Indented code block or fenced code block marker.
        #
lse if ($tag{0} == "\n" || $tag{0} == "~") {
            if ($tag{1} == "\n" || $tag{1} == " ") {
                # Indented code block: pass it unchanged, will be handled 
                # later.
                $parsed .= $tag;
            } else {
                # Fenced code block marker: find matching end marker.
                $tag_re = preg_quote(trim($tag));
                if (preg_match('{^(?>.*\n)+?' . $tag_re . ' *\n}', $text, $matches)) {
                    # End marker found: pass text unchanged until marker.
                    $parsed .= $tag . $matches[0];
                    $text = substr($text, strlen($matches[0]));
                } else {
                    # No end marker: just skip it.
                    $parsed .= $tag;
                }
            }
        }
        #
        # Check for: 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).
        #
lse 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.
        #
lse 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 .= $block_text;
        }
        #
        # Check for: Tag with same name as enclosing tag.
        #
lse if ($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);
}

public _processDefListItems_callback_dd( ) (defined in MarkdownExtra_Parser)

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";
}

public _processDefListItems_callback_dt( ) (defined in MarkdownExtra_Parser)

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";
}

public _stripAbbreviations_callback( ) (defined in MarkdownExtra_Parser)

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
}

public _stripFootnotes_callback( ) (defined in MarkdownExtra_Parser)

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
}

public appendFootnotes( ) (defined in MarkdownExtra_Parser)

function appendFootnotes($text)
{
    #
    # Append footnote list to text.
    #
ext = preg_replace_callback('{F\x1Afn:(.*?)\x1A:}', array(&$this, '_appendFootnotes_callback'), $text);

    if (!empty($this->footnotes_ordered)) {
        $text .= "\n\n";
        $text .= "<div class=\"footnotes\">\n";
        $text .= "<hr" . MARKDOWN_EMPTY_ELEMENT_SUFFIX . "\n";
        $text .= "<ol>\n\n";

        $attr = " rev=\"footnote\"";
        if ($this->fn_backlink_class != "") {
            $class = $this->fn_backlink_class;
            $class = $this->encodeAttribute($class);
            $attr .= " class=\"$class\"";
        }
        if ($this->fn_backlink_title != "") {
            $title = $this->fn_backlink_title;
            $title = $this->encodeAttribute($title);
            $attr .= " title=\"$title\"";
        }
        $num = 0;

        while (!empty($this->footnotes_ordered)) {
            $footnote = reset($this->footnotes_ordered);
            $note_id = key($this->footnotes_ordered);
            unset($this->footnotes_ordered[$note_id]);

            $footnote .= "\n"; # Need to append newline before parsing.
            $footnote = $this->runBlockGamut("$footnote\n");
            $footnote = preg_replace_callback('{F\x1Afn:(.*?)\x1A:}', array(&$this, '_appendFootnotes_callback'), $footnote);

            $attr = str_replace("%%", ++$num, $attr);
            $note_id = $this->encodeAttribute($note_id);

            # Add backlink to last paragraph; create new paragraph if needed.
            $backlink = "<a href=\"#fnref:$note_id\"$attr>&#8617;</a>";
            if (preg_match('{</p>$}', $footnote)) {
                $footnote = substr($footnote, 0, -4) . "&#160;$backlink</p>";
            } else {
                $footnote .= "\n\n<p>$backlink</p>";
            }

            $text .= "<li id=\"fn:$note_id\">\n";
            $text .= $footnote . "\n";
            $text .= "</li>\n\n";
        }

        $text .= "</ol>\n";
        $text .= "</div>";
    }
    return $text;
}

public doAbbreviations( ) (defined in MarkdownExtra_Parser)

function doAbbreviations($text)
{
    #
    # Find defined abbreviations in text and wrap them in <abbr> elements.
    #
 ($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;
}

public doDefLists( ) (defined in MarkdownExtra_Parser)

function doDefLists($text)
{
    #
    # Form HTML definition lists.
    #
ess_than_tab = $this->tab_width - 1;

    # Re-usable pattern to match any entire dl list:
    $whole_list_re = '(?>
								# $1 = whole list
 (								# $2
[ ]{0,' . $less_than_tab . '}
((?>.*\S.*\n)+)				# $3 = defined term
\n?
[ ]{0,' . $less_than_tab . '}:[ ]+ # colon starting definition
 )
 (?s:.+?)
 (								# $4
  \z
|
  \n{2,}
  (?=\S)
  (?!						# Negative lookahead for another term
	[ ]{0,' . $less_than_tab . '}
	(?: \S.*\n )+?			# defined term
	\n?
	[ ]{0,' . $less_than_tab . '}:[ ]+ # colon starting definition
  )
  (?!						# Negative lookahead for another definition
	[ ]{0,' . $less_than_tab . '}:[ ]+ # colon starting definition
  )
 )

; // mx

    $text = preg_replace_callback('{
(?>\A\n?|(?<=\n\n))
' . $whole_list_re . '
mx', array(&$this, '_doDefLists_callback'), $text);

    return $text;
}

public doFencedCodeBlocks( ) (defined in MarkdownExtra_Parser)

function doFencedCodeBlocks($text)
{
    #
    # Adding the fenced code block syntax to regular Markdown:
    #
~~
    # Code block
    # ~~~
    #
ess_than_tab = $this->tab_width;

    $text = preg_replace_callback('{
(?:\n|\A)
# 1: Opening marker
(
	~{3,} # Marker: three tilde or more.
)
[ ]* \n # Whitespace and newline following marker.

# 2: Content
(
	(?>
		(?!\1 [ ]* \n)	# Not a closing marker.
		.*\n+
	)+
)

# Closing marker.
\1 [ ]* \n
xm', array(&$this, '_doFencedCodeBlocks_callback'), $text);

    return $text;
}

public doFootnotes( ) (defined in MarkdownExtra_Parser)

function doFootnotes($text)
{
    #
    # Replace footnote references in $text [^id] with a special text-token 
    # which will be replaced by the actual footnote marker in appendFootnotes.
    #
 (!$this->in_anchor) {
        $text = preg_replace('{\[\^(.+?)\]}', "F\x1Afn:\\1\x1A:", $text);
    }
    return $text;
}

public doHeaders( ) (defined in MarkdownExtra_Parser)

function doHeaders($text)
{
    #
    # Redefined to add id attribute support.
    #
Setext-style headers:
    #	  Header 1  {#header1}
    #	  ========
    #  
    #	  Header 2  {#header2}
    #	  --------
    #
ext = preg_replace_callback(
        '{
(^.+?)								# $1: Header text
(?:[ ]+\{\#([-_:a-zA-Z0-9]+)\})?	# $2: Id attribute
[ ]*\n(=+|-+)[ ]*\n+				# $3: Header footer
mx', array(&$this, '_doHeaders_callback_setext'), $text);

    # atx-style headers:
    #	# Header 1        {#header1}
    #	## Header 2       {#header2}
    #	## Header 2 with closing hashes ##  {#header3}
    #	...
    #	###### Header 6   {#header2}
    #
ext = preg_replace_callback('{
^(\#{1,6})	# $1 = string of #\'s
[ ]*
(.+?)		# $2 = Header text
[ ]*
\#*			# optional closing #\'s (not counted)
(?:[ ]+\{\#([-_:a-zA-Z0-9]+)\})? # id attribute
[ ]*
\n+
xm', array(&$this, '_doHeaders_callback_atx'), $text);

    return $text;
}

public doTables( ) (defined in MarkdownExtra_Parser)

function doTables($text)
{
    #
    # Form HTML tables.
    #
ess_than_tab = $this->tab_width - 1;
    #
    # Find tables with leading pipe.
    #
| Header 1 | Header 2
    #	| -------- | --------
    #	| Cell 1   | Cell 2
    #	| Cell 3   | Cell 4
    #
ext = preg_replace_callback('

^							# Start of a line
[ ]{0,' . $less_than_tab . '}	# Allowed whitespace.
[|]							# Optional leading pipe (present)
(.+) \n						# $1: Header row (at least one pipe)

[ ]{0,' . $less_than_tab . '}	# Allowed whitespace.
[|] ([ ]*[-:]+[-| :]*) \n	# $2: Header underline

(							# $3: Cells
	(?>
		[ ]*				# Allowed whitespace.
		[|] .* \n			# Row content.
	)*
)
(?=\n|\Z)					# Stop at final double newline.
xm', array(&$this, '_doTable_leadingPipe_callback'), $text);

    #
    # Find tables without leading pipe.
    #
Header 1 | Header 2
    #	-------- | --------
    #	Cell 1   | Cell 2
    #	Cell 3   | Cell 4
    #
ext = preg_replace_callback('

^							# Start of a line
[ ]{0,' . $less_than_tab . '}	# Allowed whitespace.
(\S.*[|].*) \n				# $1: Header row (at least one pipe)

[ ]{0,' . $less_than_tab . '}	# Allowed whitespace.
([-:]+[ ]*[|][-| :]*) \n	# $2: Header underline

(							# $3: Cells
	(?>
		.* [|] .* \n		# Row content
	)*
)
(?=\n|\Z)					# Stop at final double newline.
xm', array(&$this, '_DoTable_callback'), $text);

    return $text;
}

public formParagraphs( ) (defined in MarkdownExtra_Parser)

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
    #
reach ($grafs as $key => $value) {
        $value = trim($this->runSpanGamut($value));

        # Check if this should be enclosed in a paragraph.
        # Clean tag hashes & block tag hashes are left alone.
        $is_p = !preg_match('/^B\x1A[0-9]+B|^C\x1A[0-9]+C$/', $value);

        if ($is_p) {
            $value = "<p>$value</p>";
        }
        $grafs[$key] = $value;
    }

    # Join grafs in one text, then unhash HTML tags. 
    $text = implode("\n\n", $grafs);

    # Finish by removing any tag hashes still present in $text.
    $text = $this->unhash($text);

    return $text;
}

public hashClean( ) (defined in MarkdownExtra_Parser)

function hashClean($text)
{
    #
    # Called whenever a tag must be hashed when a function insert a "clean" tag
    # in $text, it pass through this function and is automaticaly escaped, 
    # blocking invalid nested overlap.
    #
turn $this->hashPart($text, 'C');
}

public hashHTMLBlocks( ) (defined in MarkdownExtra_Parser)

function hashHTMLBlocks($text)
{
    #
    # Hashify HTML Blocks and "clean tags".
    #
e 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.
    #
his works by calling _HashHTMLBlocks_InMarkdown, which then calls
    # _HashHTMLBlocks_InHTML when it encounter block tags. When the markdown="1" 
    # attribute is found whitin a tag, _HashHTMLBlocks_InHTML calls back
    #  _HashHTMLBlocks_InMarkdown to handle the Markdown syntax within the tag.
    # These two functions are calling each other. It's recursive!
    #

Call the HTML-in-Markdown hasher.
    #
st($text, ) = $this->_hashHTMLBlocks_inMarkdown($text);

    return $text;
}

public processDefListItems( ) (defined in MarkdownExtra_Parser)

function processDefListItems($list_str)
{
    #
    #	Process the contents of a single definition list, splitting it
    #	into individual term and definition list items.
    #
ess_than_tab = $this->tab_width - 1;

    # trim trailing blank lines:
    $list_str = preg_replace("/\n{2,}\\z/", "\n", $list_str);

    # Process definition terms.
    $list_str = preg_replace_callback('{
?>\A\n?|\n\n+)					# leading line
								# definition terms = $1
[ ]{0,' . $less_than_tab . '}	# leading whitespace
(?![:][ ]|[ ])				# negative lookahead for a definition 
							#   mark (colon) or more whitespace.
(?> \S.* \n)+?				# actual term (not whitespace).	
			
?=\n?[ ]{0,3}:[ ])				# lookahead for following line feed 
							#   with a definition mark.
xm', array(&$this, '_processDefListItems_callback_dt'), $list_str);

    # Process actual definitions.
    $list_str = preg_replace_callback('{
n(\n+)?						# leading line = $1
								# marker space = $2
[ ]{0,' . $less_than_tab . '}	# whitespace before colon
[:][ ]+						# definition mark (colon)

(?s:.+?))						# definition text = $3
?= \n+ 						# stop at next definition mark,
(?:							# next term or end of text
	[ ]{0,' . $less_than_tab . '} [:][ ]	|
	<dt> | \z
)						
					
xm', array(&$this, '_processDefListItems_callback_dd'), $list_str);

    return $list_str;
}

public setup( ) (defined in MarkdownExtra_Parser)

function setup()
{
    #
    # Setting up Extra-specific variables.
    #
rent::setup();

    $this->footnotes = array();
    $this->footnotes_ordered = array();
    $this->abbr_desciptions = array();
    $this->abbr_word_re = '';
    $this->footnote_counter = 1;

    foreach ($this->predef_abbr as $abbr_word => $abbr_desc) {
        if ($this->abbr_word_re)
            $this->abbr_word_re .= '|';
        $this->abbr_word_re .= preg_quote($abbr_word);
        $this->abbr_desciptions[$abbr_word] = trim($abbr_desc);
    }
}

public stripAbbreviations( ) (defined in MarkdownExtra_Parser)

function stripAbbreviations($text)
{
    #
    # Strips abbreviations from text, stores titles in hash references.
    #
ess_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;
}

public stripFootnotes( ) (defined in MarkdownExtra_Parser)

function stripFootnotes($text)
{
    #
    # Strips link definitions from text, stores the URLs and titles in
    # hash references.
    #
ess_than_tab = $this->tab_width - 1;

    # Link defs are in the form: [^id]: url "optional title"
    $text = preg_replace_callback('{
[ ]{0,' . $less_than_tab . '}\[\^(.+?)\][ ]?:	# note_id = $1
 [ ]*
 \n?					# maybe *one* newline
						# text = $2 (no blank lines allowed)
(?:					
	.+				# actual text
|
	\n				# newlines but 
	(?!\[\^.+?\]:\s)# negative lookahead for footnote marker.
	(?!\n+[ ]{0,3}\S)# ensure line is not blank and followed 
					# by non-indented content
)*
		
xm', array(&$this, '_stripFootnotes_callback'), $text);
    return $text;
}

public teardown( ) (defined in MarkdownExtra_Parser)

function teardown()
{
    #
    # Clearing Extra-specific variables.
    #
his->footnotes = array();
    $this->footnotes_ordered = array();
    $this->abbr_desciptions = array();
    $this->abbr_word_re = '';

    parent::teardown();
}

public _detab_callback( ) (defined in Markdown_Parser)

function _detab_callback($matches)
{
    $line = $matches[0];
    $strlen = $this->utf8_strlen; # strlen function for UTF-8.
    # Split in blocks.
    $blocks = explode("\t", $line);
    # Add each blocks to the line.
    $line = $blocks[0];
    unset($blocks[0]); # Do not add first block twice.
    foreach ($blocks as $block) {
        # Calculate amount of space, insert spaces, insert block.
        $amount = $this->tab_width -
            $strlen($line, 'UTF-8') % $this->tab_width;
        $line .= str_repeat(" ", $amount) . $block;
    }
    return $line;
}

public _doAnchors_inline_callback( ) (defined in Markdown_Parser)

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);
}

public _doAnchors_reference_callback( ) (defined in Markdown_Parser)

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;
}

public _doAutoLinks_email_callback( ) (defined in Markdown_Parser)

function _doAutoLinks_email_callback($matches)
{
    $address = $matches[1];
    $link = $this->encodeEmailAddress($address);
    return $this->hashPart($link);
}

public _doAutoLinks_url_callback( ) (defined in Markdown_Parser)

function _doAutoLinks_url_callback($matches)
{
    $url = $this->encodeAttribute($matches[1]);
    $link = "<a href=\"$url\">$url</a>";
    return $this->hashPart($link);
}

public _doBlockQuotes_callback( ) (defined in Markdown_Parser)

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";
}

public _doBlockQuotes_callback2( ) (defined in Markdown_Parser)

function _doBlockQuotes_callback2($matches)
{
    $pre = $matches[1];
    $pre = preg_replace('/^  /m', '', $pre);
    return $pre;
}

public _doCodeBlocks_callback( ) (defined in Markdown_Parser)

function _doCodeBlocks_callback($matches)
{
    $codeblock = $matches[1];

    $codeblock = $this->outdent($codeblock);
    $codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES);

    # trim leading newlines and trailing newlines
    $codeblock = preg_replace('/\A\n+|\n+\z/', '', $codeblock);

    $codeblock = "<pre><code>$codeblock\n</code></pre>";
    return "\n\n" . $this->hashBlock($codeblock) . "\n\n";
}

public _doHardBreaks_callback( ) (defined in Markdown_Parser)

function _doHardBreaks_callback($matches)
{
    return $this->hashPart("<br$this->empty_element_suffix\n");
}

public _doImages_inline_callback( ) (defined in Markdown_Parser)

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);
}

public _doImages_reference_callback( ) (defined in Markdown_Parser)

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;
}

public _doLists_callback( ) (defined in Markdown_Parser)

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[3]) ? "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";
}

public _hashHTMLBlocks_callback( ) (defined in Markdown_Parser)

function _hashHTMLBlocks_callback($matches)
{
    $text = $matches[1];
    $key = $this->hashBlock($text);
    return "\n\n$key\n\n";
}

public _initDetab( ) (defined in Markdown_Parser)

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.
    #
 (function_exists($this->utf8_strlen))
        return;
    $this->utf8_strlen = create_function('$text', 'return preg_match_all(
/[\\\\x00-\\\\xBF]|[\\\\xC0-\\\\xFF][\\\\x80-\\\\xBF]*/", 
text, $m);');
}

public _processListItems_callback( ) (defined in Markdown_Parser)

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";
}

public _stripLinkDefinitions_callback( ) (defined in Markdown_Parser)

function _stripLinkDefinitions_callback($matches)
{
    $link_id = strtolower($matches[1]);
    $this->urls[$link_id] = $matches[2];
    $this->titles[$link_id] = & $matches[3];
    return ''; # String that will replace the block
}

public _unhash_callback( ) (defined in Markdown_Parser)

function _unhash_callback($matches)
{
    return $this->html_hashes[$matches[0]];
}

public detab( ) (defined in Markdown_Parser)

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;
}

public doAnchors( ) (defined in Markdown_Parser)

function doAnchors($text)
{
    #
    # Turn Markdown link shortcuts into XHTML <a> tags.
    #
 ($this->in_anchor)
        return $text;
    $this->in_anchor = true;

    #
    # First, handle reference-style links: [link text] [id]
    #
ext = preg_replace_callback('{
					# wrap whole match in $1
 \[
(' . $this->nested_brackets_re . ')	# link text = $2
 \]

 [ ]?				# one optional space
 (?:\n[ ]*)?		# one optional newline followed by spaces

 \[
(.*?)		# id = $3
 \]

xs', array(&$this, '_doAnchors_reference_callback'), $text);

    #
    # Next, inline-style links: [link text](url "optional title")
    #
ext = preg_replace_callback('{
				# wrap whole match in $1
 \[
(' . $this->nested_brackets_re . ')	# link text = $2
 \]
 \(			# literal paren
[ ]*
(?:
	<(\S*)>	# href = $3
|
	(' . $this->nested_url_parenthesis_re . ')	# href = $4
)
[ ]*
(			# $5
  ([\'"])	# quote char = $6
  (.*?)		# Title = $7
  \6		# matching quote
  [ ]*	# ignore any spaces/tabs between closing quote and )
)?			# title is optional
 \)

xs', array(&$this, '_DoAnchors_inline_callback'), $text);

    #
    # Last, handle reference-style shortcuts: [link text]
    # These must come last in case you've also got [link test][1]
    # or [link test](/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;
}

public doAutoLinks( ) (defined in Markdown_Parser)

function doAutoLinks($text)
{
    $text = preg_replace_callback('{<((https?|ftp|dict):[^\'">\s]+)>}i', array(&$this, '_doAutoLinks_url_callback'), $text);

    # Email addresses: <[email protected]>
    $text = preg_replace_callback('{

?:mailto:)?

[-.\w\x80-\xFF]+
\@
[-a-z0-9\x80-\xFF]+(\.[-a-z0-9\x80-\xFF]+)*\.[a-z]+


xi', array(&$this, '_doAutoLinks_email_callback'), $text);

    return $text;
}

public doBlockQuotes( ) (defined in Markdown_Parser)

function doBlockQuotes($text)
{
    $text = preg_replace_callback('/
 (								# Wrap whole match in $1
(?>
  ^[ ]*>[ ]?			# ">" at the start of a line
	.+\n					# rest of the first line
  (.+\n)*					# subsequent consecutive lines
  \n*						# blanks
)+
 )
xm', array(&$this, '_doBlockQuotes_callback'), $text);

    return $text;
}

public doCodeBlocks( ) (defined in Markdown_Parser)

function doCodeBlocks($text)
{
    #
    #	Process Markdown `<pre><code>` blocks.
    #
ext = preg_replace_callback('{
(?:\n\n|\A\n?)
(	            # $1 = the code block -- one or more lines, starting with a space/tab
  (?>
	[ ]{' . $this->tab_width . '}  # Lines must start with a tab or a tab-width of spaces
	.*\n+
  )+
)
((?=^[ ]{0,' . $this->tab_width . '}\S)|\Z)	# Lookahead for non-space at line-start, or end of doc
xm', array(&$this, '_doCodeBlocks_callback'), $text);

    return $text;
}

public doHardBreaks( ) (defined in Markdown_Parser)

function doHardBreaks($text)
{
    # Do hard breaks:
    return preg_replace_callback('/ {2,}\n/', array(&$this, '_doHardBreaks_callback'), $text);
}

public doHorizontalRules( ) (defined in Markdown_Parser)

function doHorizontalRules($text)
{
    # Do Horizontal Rules:
    return preg_replace(
        '{
^[ ]{0,3}	# Leading space
([-*_])		# $1: First marker
(?>			# Repeated marker group
	[ ]{0,2}	# Zero, one, or two spaces.
	\1			# Marker character
){2,}		# Group repeated at least twice
[ ]*		# Tailing spaces
$			# End of line.
mx', "\n" . $this->hashBlock("<hr$this->empty_element_suffix") . "\n", $text);
}

public doImages( ) (defined in Markdown_Parser)

function doImages($text)
{
    #
    # Turn Markdown image shortcuts into <img> tags.
    #

First, handle reference-style labeled images: ![alt text][id]
    #
ext = preg_replace_callback('{
				# wrap whole match in $1
 !\[
(' . $this->nested_brackets_re . ')		# alt text = $2
 \]

 [ ]?				# one optional space
 (?:\n[ ]*)?		# one optional newline followed by spaces

 \[
(.*?)		# id = $3
 \]


xs', array(&$this, '_doImages_reference_callback'), $text);

    #
    # Next, handle inline images:  ![alt text](url "optional title")
    # Don't forget: encode * and _
    #
ext = preg_replace_callback('{
				# wrap whole match in $1
 !\[
(' . $this->nested_brackets_re . ')		# alt text = $2
 \]
 \s?			# One optional whitespace character
 \(			# literal paren
[ ]*
(?:
	<(\S*)>	# src url = $3
|
	(' . $this->nested_url_parenthesis_re . ')	# src url = $4
)
[ ]*
(			# $5
  ([\'"])	# quote char = $6
  (.*?)		# title = $7
  \6		# matching quote
  [ ]*
)?			# title is optional
 \)

xs', array(&$this, '_doImages_inline_callback'), $text);

    return $text;
}

public doItalicsAndBold( ) (defined in Markdown_Parser)

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 seach for the next emphasis token. 
        # Each token is then passed to handleSpanToken.
        #
parts = preg_split($token_re, $text, 2, PREG_SPLIT_DELIM_CAPTURE);
        $text_stack[0] .= $parts[0];
        $token = & $parts[1];
        $text = & $parts[2];

        if (empty($token)) {
            # Reached end of text span: empty stack without emitting.
            # any more emphasis.
            while ($token_stack[0]) {
                $text_stack[1] .= array_shift($token_stack);
                $text_stack[0] .= array_shift($text_stack);
            }
            break;
        }

        $token_len = strlen($token);
        if ($tree_char_em) {
            # Reached closing marker while inside a three-char emphasis.
            if ($token_len == 3) {
                # Three-char closing marker, close em and strong.
                array_shift($token_stack);
                $span = array_shift($text_stack);
                $span = $this->runSpanGamut($span);
                $span = "<strong><em>$span</em></strong>";
                $text_stack[0] .= $this->hashPart($span);
                $em = '';
                $strong = '';
            } else {
                # Other closing marker: close one em or strong and
                # change current token state to match the other
                $token_stack[0] = str_repeat($token{0}, 3 - $token_len);
                $tag = $token_len == 2 ? "strong" : "em";
                $span = $text_stack[0];
                $span = $this->runSpanGamut($span);
                $span = "<$tag>$span</$tag>";
                $text_stack[0] = $this->hashPart($span);
                $$tag = ''; # $$tag stands for $em or $strong
            }
            $tree_char_em = false;
        } else if ($token_len == 3) {
            if ($em) {
                # Reached closing marker for both em and strong.
                # Closing strong marker:
                for ($i = 0; $i < 2; ++$i) {
                    $shifted_token = array_shift($token_stack);
                    $tag = strlen($shifted_token) == 2 ? "strong" : "em";
                    $span = array_shift($text_stack);
                    $span = $this->runSpanGamut($span);
                    $span = "<$tag>$span</$tag>";
                    $text_stack[0] .= $this->hashPart($span);
                    $$tag = ''; # $$tag stands for $em or $strong
                }
            } else {
                # Reached opening three-char emphasis marker. Push on token 
                # stack; will be handled by the special condition above.
                $em = $token{0};
                $strong = "$em$em";
                array_unshift($token_stack, $token);
                array_unshift($text_stack, '');
                $tree_char_em = true;
            }
        } else if ($token_len == 2) {
            if ($strong) {
                # Unwind any dangling emphasis marker:
                if (strlen($token_stack[0]) == 1) {
                    $text_stack[1] .= array_shift($token_stack);
                    $text_stack[0] .= array_shift($text_stack);
                }
                # Closing strong marker:
                array_shift($token_stack);
                $span = array_shift($text_stack);
                $span = $this->runSpanGamut($span);
                $span = "<strong>$span</strong>";
                $text_stack[0] .= $this->hashPart($span);
                $strong = '';
            } else {
                array_unshift($token_stack, $token);
                array_unshift($text_stack, '');
                $strong = $token;
            }
        } else {
            # Here $token_len == 1
            if ($em) {
                if (strlen($token_stack[0]) == 1) {
                    # Closing emphasis marker:
                    array_shift($token_stack);
                    $span = array_shift($text_stack);
                    $span = $this->runSpanGamut($span);
                    $span = "<em>$span</em>";
                    $text_stack[0] .= $this->hashPart($span);
                    $em = '';
                } else {
                    $text_stack[0] .= $token;
                }
            } else {
                array_unshift($token_stack, $token);
                array_unshift($text_stack, '');
                $em = $token;
            }
        }
    }
    return $text_stack[0];
}

public doLists( ) (defined in Markdown_Parser)

function doLists($text)
{
    #
    # Form HTML ordered (numbered) and unordered (bulleted) lists.
    #
ess_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);

    foreach ($markers_relist as $marker_re) {
        # Re-usable pattern to match any entirel ul or ol list:
        $whole_list_re = '
(								# $1 = whole list
  (								# $2
	[ ]{0,' . $less_than_tab . '}
	(' . $marker_re . ')			# $3 = first list item marker
	[ ]+
  )
  (?s:.+?)
  (								# $4
	  \z
	|
	  \n{2,}
	  (?=\S)
	  (?!						# Negative lookahead for another list item marker
		[ ]*
		' . $marker_re . '[ ]+
	  )
  )
)
; // mx
        # We use a different prefix before nested lists than top-level lists.
        # See extended comment in _ProcessListItems().

        if ($this->list_level) {
            $text = preg_replace_callback('{
		^
		' . $whole_list_re . '
	}mx', array(&$this, '_doLists_callback'), $text);
        } else {
            $text = preg_replace_callback('{
		(?:(?<=\n)\n|\A\n?) # Must eat the newline
		' . $whole_list_re . '
	}mx', array(&$this, '_doLists_callback'), $text);
        }
    }

    return $text;
}

public encodeAmpsAndAngles( ) (defined in Markdown_Parser)

function encodeAmpsAndAngles($text)
{
    #
    # Smart processing for ampersands and angle brackets that need to 
    # be encoded. Valid character entities are left alone unless the
    # no-entities mode is set.
    #
 ($this->no_entities) {
        $text = str_replace('&', '&', $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;
}

public encodeAttribute( ) (defined in Markdown_Parser)

function encodeAttribute($text)
{
    #
    # Encode text for a double-quoted HTML attribute. This function
    # is *not* suitable for attributes enclosed in single quotes.
    #
ext = $this->encodeAmpsAndAngles($text);
    $text = str_replace('"', '"', $text);
    return $text;
}

public encodeEmailAddress( ) (defined in Markdown_Parser)

function encodeEmailAddress($addr)
{
    #
    #	Input: an email address, e.g. "[email protected]"
    #
utput: 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>
    #
ased by a filter by Matthew Wickline, posted to BBEdit-Talk.
    #   With some optimizations by Milian Wolff.
    #
ddr = "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;
}

public handleSpanToken( ) (defined in Markdown_Parser)

function handleSpanToken($token, &$str)
{
    #
    # Handle $token provided by parseSpan by determining its nature and 
    # returning the corresponding value that should replace it.
    #
itch ($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);
    }
}

public hashBlock( ) (defined in Markdown_Parser)

function hashBlock($text)
{
    #
    # Shortcut function for hashPart with block-level boundaries.
    #
turn $this->hashPart($text, 'B');
}

public hashPart( ) (defined in Markdown_Parser)

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.
    #
he $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.
}

public makeCodeSpan( ) (defined in Markdown_Parser)

function makeCodeSpan($code)
{
    #
    # Create a code span markup for $code. Called from handleSpanToken.
    #
ode = htmlspecialchars(trim($code), ENT_NOQUOTES);
    return $this->hashPart("<code>$code</code>");
}

public outdent( ) (defined in Markdown_Parser)

function outdent($text)
{
    #
    # Remove one level of line-leading tabs or spaces
    #
turn preg_replace('/^(\t|[ ]{1,' . $this->tab_width . '})/m', '', $text);
}

public parseSpan( ) (defined in Markdown_Parser)

function parseSpan($str)
{
    #
    # Take the string $str and parse it into tokens, hashing embeded HTML,
    # escaped characters and handling code spans.
    #
utput = '';

    $span_re = '{
(
	\\\\' . $this->escape_chars_re . '
|
	(?<![`\\\\])
	`+						# code span marker
 . ( $this->no_markup ? '' : '
|
	<!--    .*?     -->		# comment
|
	<\?.*?\?> | <%.*?%>		# processing instruction
|
	<[/!$]?[-a-zA-Z0-9:]+	# regular tags
	(?>
		\s
		(?>[^"\'>]+|"[^"]*"|\'[^\']*\')*
	)?
	>
) . '
)
}xs';

    while (1) {
        #
        # Each loop iteration seach for either the next tag, the next 
        # openning code span marker, or the next escaped character. 
        # Each token is then passed to handleSpanToken.
        #
parts = preg_split($span_re, $str, 2, PREG_SPLIT_DELIM_CAPTURE);

        # Create token from text preceding tag.
        if ($parts[0] != "") {
            $output .= $parts[0];
        }

        # Check if we reach the end.
        if (isset($parts[1])) {
            $output .= $this->handleSpanToken($parts[1], $parts[2]);
            $str = $parts[2];
        } else {
            break;
        }
    }

    return $output;
}

public prepareItalicsAndBold( ) (defined in Markdown_Parser)

function prepareItalicsAndBold()
{
    #
    # Prepare regular expressions for seraching emphasis tokens in any
    # context.
    #
reach ($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;
        }
    }
}

public processListItems( ) (defined in Markdown_Parser)

function processListItems($list_str, $marker_any_re)
{
    #
    #	Process the contents of a single ordered or unordered list, splitting it
    #	into individual list items.
    #
The $this->list_level global keeps track of when we're inside a list.
    # Each time we enter a list, we increment it; when we leave a list,
    # we decrement. If it's zero, we're not in a list anymore.
    #
We do this because when we're not inside a list, we want to treat
    # something like this:
    #
	I recommend upgrading to version
    #		8. Oops, now this line is treated
    #		as a sub-list.
    #
As a single paragraph, despite the fact that the second line starts
    # with a digit-period-space sequence.
    #
Whereas when we're inside a list (or sub-list), that line will be
    # treated as the start of a sub-list. What a kludge, huh? This is
    # an aspect of Markdown's syntax that's hard to parse perfectly
    # without resorting to mind-reading. Perhaps the solution is to
    # change the syntax rules such that sub-lists must start with a
    # starting cardinal number; e.g. "1." or "a.".

    $this->list_level++;

    # trim trailing blank lines:
    $list_str = preg_replace("/\n{2,}\\z/", "\n", $list_str);

    $list_str = preg_replace_callback('{
\n)?							# leading line = $1
^[ ]*)							# leading whitespace = $2
' . $marker_any_re . '				# list marker and space = $3
(?:[ ]+|(?=\n))	# space only required if item is not empty

(?s:.*?))						# list item text   = $4
?:(\n+(?=\n))|\n)				# tailing blank line = $5
?= \n* (\z | \2 (' . $marker_any_re . ') (?:[ ]+|(?=\n))))
xm', array(&$this, '_processListItems_callback'), $list_str);

    $this->list_level--;
    return $list_str;
}

public runBasicBlockGamut( ) (defined in Markdown_Parser)

function runBasicBlockGamut($text)
{
    #
    # Run block gamut tranformations, without hashing HTML blocks. This is 
    # useful when HTML blocks are known to be already hashed, like in the first
    # whole-document pass.
    #
reach ($this->block_gamut as $method => $priority) {
        $text = $this->$method($text);
    }

    # Finally form paragraph and restore hashed blocks.
    $text = $this->formParagraphs($text);

    return $text;
}

public runBlockGamut( ) (defined in Markdown_Parser)

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);
}

public runSpanGamut( ) (defined in Markdown_Parser)

function runSpanGamut($text)
{
    #
    # Run span gamut tranformations.
    #
reach ($this->span_gamut as $method => $priority) {
        $text = $this->$method($text);
    }

    return $text;
}

public stripLinkDefinitions( ) (defined in Markdown_Parser)

function stripLinkDefinitions($text)
{
    #
    # Strips link definitions from text, stores the URLs and titles in
    # hash references.
    #
ess_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
			  [ ]*
			<?(\S+?)>?			# url = $2
			  [ ]*
			  \n?				# maybe one newline
			  [ ]*
			(?:
				(?<=\s)			# lookbehind for whitespace
				["(]
				(.*?)			# title = $3
				[")]
				[ ]*
			)?	# title is optional
			(?:\n+|\Z)
xm', array(&$this, '_stripLinkDefinitions_callback'), $text);
    return $text;
}

public transform( ) (defined in Markdown_Parser)

function transform($text)
{
    #
    # Main function. Performs some preprocessing on the input text
    # and pass it through the document gamut.
    #
his->setup();

    # Remove UTF-8 BOM and marker character in input, if present.
    $text = preg_replace('{^\xEF\xBB\xBF|\x1A}', '', $text);

    # Standardize line endings:
    #   DOS to Unix and Mac to Unix
    $text = preg_replace('{\r\n?}', "\n", $text);

    # Make sure $text ends with a couple of newlines:
    $text .= "\n\n";

    # Convert all tabs to spaces.
    $text = $this->detab($text);

    # Turn block-level HTML blocks into hash entries
    $text = $this->hashHTMLBlocks($text);

    # Strip any lines consisting only of spaces and tabs.
    # This makes subsequent regexen easier to write, because we can
    # match consecutive blank lines with /\n+/ instead of something
    # contorted like /[ ]*\n+/ .
    $text = preg_replace('/^[ ]+$/m', '', $text);

    # Run document gamut methods.
    foreach ($this->document_gamut as $method => $priority) {
        $text = $this->$method($text);
    }

    $this->teardown();

    return $text . "\n";
}

public unhash( ) (defined in Markdown_Parser)

function unhash($text)
{
    #
    # Swap back in all the tags hashed by _HashHTMLBlocks.
    #
turn preg_replace_callback('/(.)\x1A[0-9]+\1/', array(&$this, '_unhash_callback'), $text);
}

protected _add_to_toc( ) (defined in Kohana_Kodoc_Markdown)

protected function _add_to_toc($level, $name, $id)
{
    self::$_toc[] = array(
        'level' => $level,
        'name' => $name,
        'id' => $id);
}