From b99adc105d908a8b62fa8b281bac87898ae95be0 Mon Sep 17 00:00:00 2001 From: Corey Innis Date: Sun, 31 Oct 2010 11:08:59 -0700 Subject: [PATCH] Make example/showdown.js a symlink, so it always references the current source. --- example/showdown.js | 1297 +------------------------------------------ 1 file changed, 1 insertion(+), 1296 deletions(-) mode change 100644 => 120000 example/showdown.js diff --git a/example/showdown.js b/example/showdown.js deleted file mode 100644 index a960309..0000000 --- a/example/showdown.js +++ /dev/null @@ -1,1296 +0,0 @@ -// -// showdown.js -- A javascript port of Markdown. -// -// Copyright (c) 2007 John Fraser. -// -// Original Markdown Copyright (c) 2004-2005 John Gruber -// -// -// Redistributable under a BSD-style open source license. -// See license.txt for more information. -// -// The full source distribution is at: -// -// A A L -// T C A -// T K B -// -// -// - -// -// Wherever possible, Showdown is a straight, line-by-line port -// of the Perl version of Markdown. -// -// This is not a normal parser design; it's basically just a -// series of string substitutions. It's hard to read and -// maintain this way, but keeping Showdown close to the original -// design makes it easier to port new features. -// -// More importantly, Showdown behaves like markdown.pl in most -// edge cases. So web applications can do client-side preview -// in Javascript, and then build identical HTML on the server. -// -// This port needs the new RegExp functionality of ECMA 262, -// 3rd Edition (i.e. Javascript 1.5). Most modern web browsers -// should do fine. Even with the new regular expression features, -// We do a lot of work to emulate Perl's regex functionality. -// The tricky changes in this file mostly have the "attacklab:" -// label. Major or self-explanatory changes don't. -// -// Smart diff tools like Araxis Merge will be able to match up -// this file with markdown.pl in a useful way. A little tweaking -// helps: in a copy of markdown.pl, replace "#" with "//" and -// replace "$text" with "text". Be sure to ignore whitespace -// and line endings. -// - - -// -// Showdown usage: -// -// var text = "Markdown *rocks*."; -// -// var converter = new Showdown.converter(); -// var html = converter.makeHtml(text); -// -// alert(html); -// -// Note: move the sample code to the bottom of this -// file before uncommenting it. -// - - -// -// Showdown namespace -// -var Showdown = {}; - -// -// converter -// -// Wraps all "globals" so that the only thing -// exposed is makeHtml(). -// -Showdown.converter = function() { - -// -// Globals: -// - -// Global hashes, used by various utility routines -var g_urls; -var g_titles; -var g_html_blocks; - -// Used to track when we're inside an ordered or unordered list -// (see _ProcessListItems() for details): -var g_list_level = 0; - - -this.makeHtml = function(text) { -// -// Main function. The order in which other subs are called here is -// essential. Link and image substitutions need to happen before -// _EscapeSpecialCharsWithinTagAttributes(), so that any *'s or _'s in the -// and tags get encoded. -// - - // Clear the global hashes. If we don't clear these, you get conflicts - // from other articles when generating a page which contains more than - // one article (e.g. an index page that shows the N most recent - // articles): - g_urls = new Array(); - g_titles = new Array(); - g_html_blocks = new Array(); - - // attacklab: Replace ~ with ~T - // This lets us use tilde as an escape char to avoid md5 hashes - // The choice of character is arbitray; anything that isn't - // magic in Markdown will work. - text = text.replace(/~/g,"~T"); - - // attacklab: Replace $ with ~D - // RegExp interprets $ as a special character - // when it's in a replacement string - text = text.replace(/\$/g,"~D"); - - // Standardize line endings - text = text.replace(/\r\n/g,"\n"); // DOS to Unix - text = text.replace(/\r/g,"\n"); // Mac to Unix - - // Make sure text begins and ends with a couple of newlines: - text = "\n\n" + text + "\n\n"; - - // Convert all tabs to spaces. - text = _Detab(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 /[ \t]*\n+/ . - text = text.replace(/^[ \t]+$/mg,""); - - // Turn block-level HTML blocks into hash entries - text = _HashHTMLBlocks(text); - - // Strip link definitions, store in hashes. - text = _StripLinkDefinitions(text); - - text = _RunBlockGamut(text); - - text = _UnescapeSpecialChars(text); - - // attacklab: Restore dollar signs - text = text.replace(/~D/g,"$$"); - - // attacklab: Restore tildes - text = text.replace(/~T/g,"~"); - - return text; -} - - -var _StripLinkDefinitions = function(text) { -// -// Strips link definitions from text, stores the URLs and titles in -// hash references. -// - - // Link defs are in the form: ^[id]: url "optional title" - - /* - var text = text.replace(/ - ^[ ]{0,3}\[(.+)\]: // id = $1 attacklab: g_tab_width - 1 - [ \t]* - \n? // maybe *one* newline - [ \t]* - ? // url = $2 - [ \t]* - \n? // maybe one newline - [ \t]* - (?: - (\n*) // any lines skipped = $3 attacklab: lookbehind removed - ["(] - (.+?) // title = $4 - [")] - [ \t]* - )? // title is optional - (?:\n+|$) - /gm, - function(){...}); - */ - var text = text.replace(/^[ ]{0,3}\[(.+)\]:[ \t]*\n?[ \t]*?[ \t]*\n?[ \t]*(?:(\n*)["(](.+?)[")][ \t]*)?(?:\n+|\Z)/gm, - function (wholeMatch,m1,m2,m3,m4) { - m1 = m1.toLowerCase(); - g_urls[m1] = _EncodeAmpsAndAngles(m2); // Link IDs are case-insensitive - if (m3) { - // Oops, found blank lines, so it's not a title. - // Put back the parenthetical statement we stole. - return m3+m4; - } else if (m4) { - g_titles[m1] = m4.replace(/"/g,"""); - } - - // Completely remove the definition from the text - return ""; - } - ); - - return text; -} - - -var _HashHTMLBlocks = function(text) { - // attacklab: Double up blank lines to reduce lookaround - text = text.replace(/\n/g,"\n\n"); - - // 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

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: - var block_tags_a = "p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math|ins|del" - var block_tags_b = "p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math" - - // First, look for nested blocks, e.g.: - //

- //
- // tags for inner block must be indented. - //
- //
- // - // 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 `
` and stop at the first `
`. - - // attacklab: This regex can be expensive when it fails. - /* - var text = text.replace(/ - ( // save in $1 - ^ // start of line (with /m) - <($block_tags_a) // start tag = $2 - \b // word break - // attacklab: hack around khtml/pcre bug... - [^\r]*?\n // any number of lines, minimally matching - // the matching end tag - [ \t]* // trailing spaces/tabs - (?=\n+) // followed by a newline - ) // attacklab: there are sentinel newlines at end of document - /gm,function(){...}}; - */ - text = text.replace(/^(<(p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math|ins|del)\b[^\r]*?\n<\/\2>[ \t]*(?=\n+))/gm,hashElement); - - // - // Now match more liberally, simply from `\n` to `\n` - // - - /* - var text = text.replace(/ - ( // save in $1 - ^ // start of line (with /m) - <($block_tags_b) // start tag = $2 - \b // word break - // attacklab: hack around khtml/pcre bug... - [^\r]*? // any number of lines, minimally matching - .* // the matching end tag - [ \t]* // trailing spaces/tabs - (?=\n+) // followed by a newline - ) // attacklab: there are sentinel newlines at end of document - /gm,function(){...}}; - */ - text = text.replace(/^(<(p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math)\b[^\r]*?.*<\/\2>[ \t]*(?=\n+)\n)/gm,hashElement); - - // Special case just for
. It was easier to make a special case than - // to make the other regex more complicated. - - /* - text = text.replace(/ - ( // save in $1 - \n\n // Starting after a blank line - [ ]{0,3} - (<(hr) // start tag = $2 - \b // word break - ([^<>])*? // - \/?>) // the matching end tag - [ \t]* - (?=\n{2,}) // followed by a blank line - ) - /g,hashElement); - */ - text = text.replace(/(\n[ ]{0,3}(<(hr)\b([^<>])*?\/?>)[ \t]*(?=\n{2,}))/g,hashElement); - - // Special case for standalone HTML comments: - - /* - text = text.replace(/ - ( // save in $1 - \n\n // Starting after a blank line - [ ]{0,3} // attacklab: g_tab_width - 1 - - [ \t]* - (?=\n{2,}) // followed by a blank line - ) - /g,hashElement); - */ - text = text.replace(/(\n\n[ ]{0,3}[ \t]*(?=\n{2,}))/g,hashElement); - - // PHP and ASP-style processor instructions ( and <%...%>) - - /* - text = text.replace(/ - (?: - \n\n // Starting after a blank line - ) - ( // save in $1 - [ ]{0,3} // attacklab: g_tab_width - 1 - (?: - <([?%]) // $2 - [^\r]*? - \2> - ) - [ \t]* - (?=\n{2,}) // followed by a blank line - ) - /g,hashElement); - */ - text = text.replace(/(?:\n\n)([ ]{0,3}(?:<([?%])[^\r]*?\2>)[ \t]*(?=\n{2,}))/g,hashElement); - - // attacklab: Undo double lines (see comment at top of this function) - text = text.replace(/\n\n/g,"\n"); - return text; -} - -var hashElement = function(wholeMatch,m1) { - var blockText = m1; - - // Undo double lines - blockText = blockText.replace(/\n\n/g,"\n"); - blockText = blockText.replace(/^\n/,""); - - // strip trailing blank lines - blockText = blockText.replace(/\n+$/g,""); - - // Replace the element text with a marker ("~KxK" where x is its key) - blockText = "\n\n~K" + (g_html_blocks.push(blockText)-1) + "K\n\n"; - - return blockText; -}; - -var _RunBlockGamut = function(text) { -// -// These are all the transformations that form block-level -// tags like paragraphs, headers, and list items. -// - text = _DoHeaders(text); - - // Do Horizontal Rules: - var key = hashBlock("
"); - text = text.replace(/^[ ]{0,2}([ ]?\*[ ]?){3,}[ \t]*$/gm,key); - text = text.replace(/^[ ]{0,2}([ ]?\-[ ]?){3,}[ \t]*$/gm,key); - text = text.replace(/^[ ]{0,2}([ ]?\_[ ]?){3,}[ \t]*$/gm,key); - - text = _DoLists(text); - text = _DoCodeBlocks(text); - text = _DoBlockQuotes(text); - - // We already ran _HashHTMLBlocks() before, in Markdown(), but that - // was to escape raw HTML in the original Markdown source. This time, - // we're escaping the markup we've just created, so that we don't wrap - //

tags around block-level tags. - text = _HashHTMLBlocks(text); - text = _FormParagraphs(text); - - return text; -} - - -var _RunSpanGamut = function(text) { -// -// These are all the transformations that occur *within* block-level -// tags like paragraphs, headers, and list items. -// - - text = _DoCodeSpans(text); - text = _EscapeSpecialCharsWithinTagAttributes(text); - text = _EncodeBackslashEscapes(text); - - // Process anchor and image tags. Images must come first, - // because ![foo][f] looks like an anchor. - text = _DoImages(text); - text = _DoAnchors(text); - - // Make links out of things like `` - // Must come after _DoAnchors(), because you can use < and > - // delimiters in inline links like [this](). - text = _DoAutoLinks(text); - text = _EncodeAmpsAndAngles(text); - text = _DoItalicsAndBold(text); - - // Do hard breaks: - text = text.replace(/ +\n/g,"
\n"); - - return text; -} - -var _EscapeSpecialCharsWithinTagAttributes = function(text) { -// -// Within tags -- meaning between < and > -- encode [\ ` * _] so they -// don't conflict with their use in Markdown for code, italics and strong. -// - - // Build a regex to find HTML tags and comments. See Friedl's - // "Mastering Regular Expressions", 2nd Ed., pp. 200-201. - var regex = /(<[a-z\/!$]("[^"]*"|'[^']*'|[^'">])*>|)/gi; - - text = text.replace(regex, function(wholeMatch) { - var tag = wholeMatch.replace(/(.)<\/?code>(?=.)/g,"$1`"); - tag = escapeCharacters(tag,"\\`*_"); - return tag; - }); - - return text; -} - -var _DoAnchors = function(text) { -// -// Turn Markdown link shortcuts into XHTML tags. -// - // - // First, handle reference-style links: [link text] [id] - // - - /* - text = text.replace(/ - ( // wrap whole match in $1 - \[ - ( - (?: - \[[^\]]*\] // allow brackets nested one level - | - [^\[] // or anything else - )* - ) - \] - - [ ]? // one optional space - (?:\n[ ]*)? // one optional newline followed by spaces - - \[ - (.*?) // id = $3 - \] - )()()()() // pad remaining backreferences - /g,_DoAnchors_callback); - */ - text = text.replace(/(\[((?:\[[^\]]*\]|[^\[\]])*)\][ ]?(?:\n[ ]*)?\[(.*?)\])()()()()/g,writeAnchorTag); - - // - // Next, inline-style links: [link text](url "optional title") - // - - /* - text = text.replace(/ - ( // wrap whole match in $1 - \[ - ( - (?: - \[[^\]]*\] // allow brackets nested one level - | - [^\[\]] // or anything else - ) - ) - \] - \( // literal paren - [ \t]* - () // no id, so leave $3 empty - ? // href = $4 - [ \t]* - ( // $5 - (['"]) // quote char = $6 - (.*?) // Title = $7 - \6 // matching quote - [ \t]* // ignore any spaces/tabs between closing quote and ) - )? // title is optional - \) - ) - /g,writeAnchorTag); - */ - text = text.replace(/(\[((?:\[[^\]]*\]|[^\[\]])*)\]\([ \t]*()?[ \t]*((['"])(.*?)\6[ \t]*)?\))/g,writeAnchorTag); - - // - // 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 = text.replace(/ - ( // wrap whole match in $1 - \[ - ([^\[\]]+) // link text = $2; can't contain '[' or ']' - \] - )()()()()() // pad rest of backreferences - /g, writeAnchorTag); - */ - text = text.replace(/(\[([^\[\]]+)\])()()()()()/g, writeAnchorTag); - - return text; -} - -var writeAnchorTag = function(wholeMatch,m1,m2,m3,m4,m5,m6,m7) { - if (m7 == undefined) m7 = ""; - var whole_match = m1; - var link_text = m2; - var link_id = m3.toLowerCase(); - var url = m4; - var title = m7; - - if (url == "") { - if (link_id == "") { - // lower-case and turn embedded newlines into spaces - link_id = link_text.toLowerCase().replace(/ ?\n/g," "); - } - url = "#"+link_id; - - if (g_urls[link_id] != undefined) { - url = g_urls[link_id]; - if (g_titles[link_id] != undefined) { - title = g_titles[link_id]; - } - } - else { - if (whole_match.search(/\(\s*\)$/m)>-1) { - // Special case for explicit empty url - url = ""; - } else { - return whole_match; - } - } - } - - url = escapeCharacters(url,"*_"); - var result = ""; - - return result; -} - - -var _DoImages = function(text) { -// -// Turn Markdown image shortcuts into tags. -// - - // - // First, handle reference-style labeled images: ![alt text][id] - // - - /* - text = text.replace(/ - ( // wrap whole match in $1 - !\[ - (.*?) // alt text = $2 - \] - - [ ]? // one optional space - (?:\n[ ]*)? // one optional newline followed by spaces - - \[ - (.*?) // id = $3 - \] - )()()()() // pad rest of backreferences - /g,writeImageTag); - */ - text = text.replace(/(!\[(.*?)\][ ]?(?:\n[ ]*)?\[(.*?)\])()()()()/g,writeImageTag); - - // - // Next, handle inline images: ![alt text](url "optional title") - // Don't forget: encode * and _ - - /* - text = text.replace(/ - ( // wrap whole match in $1 - !\[ - (.*?) // alt text = $2 - \] - \s? // One optional whitespace character - \( // literal paren - [ \t]* - () // no id, so leave $3 empty - ? // src url = $4 - [ \t]* - ( // $5 - (['"]) // quote char = $6 - (.*?) // title = $7 - \6 // matching quote - [ \t]* - )? // title is optional - \) - ) - /g,writeImageTag); - */ - text = text.replace(/(!\[(.*?)\]\s?\([ \t]*()?[ \t]*((['"])(.*?)\6[ \t]*)?\))/g,writeImageTag); - - return text; -} - -var writeImageTag = function(wholeMatch,m1,m2,m3,m4,m5,m6,m7) { - var whole_match = m1; - var alt_text = m2; - var link_id = m3.toLowerCase(); - var url = m4; - var title = m7; - - if (!title) title = ""; - - if (url == "") { - if (link_id == "") { - // lower-case and turn embedded newlines into spaces - link_id = alt_text.toLowerCase().replace(/ ?\n/g," "); - } - url = "#"+link_id; - - if (g_urls[link_id] != undefined) { - url = g_urls[link_id]; - if (g_titles[link_id] != undefined) { - title = g_titles[link_id]; - } - } - else { - return whole_match; - } - } - - alt_text = alt_text.replace(/"/g,"""); - url = escapeCharacters(url,"*_"); - var result = "\""" + _RunSpanGamut(m1) + "");}); - - text = text.replace(/^(.+)[ \t]*\n-+[ \t]*\n+/gm, - function(matchFound,m1){return hashBlock("

" + _RunSpanGamut(m1) + "

");}); - - // atx-style headers: - // # Header 1 - // ## Header 2 - // ## Header 2 with closing hashes ## - // ... - // ###### Header 6 - // - - /* - text = text.replace(/ - ^(\#{1,6}) // $1 = string of #'s - [ \t]* - (.+?) // $2 = Header text - [ \t]* - \#* // optional closing #'s (not counted) - \n+ - /gm, function() {...}); - */ - - text = text.replace(/^(\#{1,6})[ \t]*(.+?)[ \t]*\#*\n+/gm, - function(wholeMatch,m1,m2) { - var h_level = m1.length; - return hashBlock("" + _RunSpanGamut(m2) + ""); - }); - - return text; -} - -// This declaration keeps Dojo compressor from outputting garbage: -var _ProcessListItems; - -var _DoLists = function(text) { -// -// Form HTML ordered (numbered) and unordered (bulleted) lists. -// - - // attacklab: add sentinel to hack around khtml/safari bug: - // http://bugs.webkit.org/show_bug.cgi?id=11231 - text += "~0"; - - // Re-usable pattern to match any entirel ul or ol list: - - /* - var whole_list = / - ( // $1 = whole list - ( // $2 - [ ]{0,3} // attacklab: g_tab_width - 1 - ([*+-]|\d+[.]) // $3 = first list item marker - [ \t]+ - ) - [^\r]+? - ( // $4 - ~0 // sentinel for workaround; should be $ - | - \n{2,} - (?=\S) - (?! // Negative lookahead for another list item marker - [ \t]* - (?:[*+-]|\d+[.])[ \t]+ - ) - ) - )/g - */ - var whole_list = /^(([ ]{0,3}([*+-]|\d+[.])[ \t]+)[^\r]+?(~0|\n{2,}(?=\S)(?![ \t]*(?:[*+-]|\d+[.])[ \t]+)))/gm; - - if (g_list_level) { - text = text.replace(whole_list,function(wholeMatch,m1,m2) { - var list = m1; - var list_type = (m2.search(/[*+-]/g)>-1) ? "ul" : "ol"; - - // Turn double returns into triple returns, so that we can make a - // paragraph for the last item in a list, if necessary: - list = list.replace(/\n{2,}/g,"\n\n\n");; - var result = _ProcessListItems(list); - - // Trim any trailing whitespace, to put the closing `` - // up on the preceding line, to get it past the current stupid - // HTML block parser. This is a hack to work around the terrible - // hack that is the HTML block parser. - result = result.replace(/\s+$/,""); - result = "<"+list_type+">" + result + "\n"; - return result; - }); - } else { - whole_list = /(\n\n|^\n?)(([ ]{0,3}([*+-]|\d+[.])[ \t]+)[^\r]+?(~0|\n{2,}(?=\S)(?![ \t]*(?:[*+-]|\d+[.])[ \t]+)))/g; - text = text.replace(whole_list,function(wholeMatch,m1,m2,m3) { - var runup = m1; - var list = m2; - - var list_type = (m3.search(/[*+-]/g)>-1) ? "ul" : "ol"; - // Turn double returns into triple returns, so that we can make a - // paragraph for the last item in a list, if necessary: - var list = list.replace(/\n{2,}/g,"\n\n\n");; - var result = _ProcessListItems(list); - result = runup + "<"+list_type+">\n" + result + "\n"; - return result; - }); - } - - // attacklab: strip sentinel - text = text.replace(/~0/,""); - - return text; -} - -_ProcessListItems = function(list_str) { -// -// Process the contents of a single ordered or unordered list, splitting it -// into individual list items. -// - // The $g_list_level global keeps track of when we're inside a list. - // Each time we enter a list, we increment it; when we leave a list, - // we decrement. If it's zero, we're not in a list anymore. - // - // We do this because when we're not inside a list, we want to treat - // something like this: - // - // I recommend upgrading to version - // 8. Oops, now this line is treated - // as a sub-list. - // - // As a single paragraph, despite the fact that the second line starts - // with a digit-period-space sequence. - // - // Whereas when we're inside a list (or sub-list), that line will be - // treated as the start of a sub-list. What a kludge, huh? This is - // an aspect of Markdown's syntax that's hard to parse perfectly - // without resorting to mind-reading. Perhaps the solution is to - // change the syntax rules such that sub-lists must start with a - // starting cardinal number; e.g. "1." or "a.". - - g_list_level++; - - // trim trailing blank lines: - list_str = list_str.replace(/\n{2,}$/,"\n"); - - // attacklab: add sentinel to emulate \z - list_str += "~0"; - - /* - list_str = list_str.replace(/ - (\n)? // leading line = $1 - (^[ \t]*) // leading whitespace = $2 - ([*+-]|\d+[.]) [ \t]+ // list marker = $3 - ([^\r]+? // list item text = $4 - (\n{1,2})) - (?= \n* (~0 | \2 ([*+-]|\d+[.]) [ \t]+)) - /gm, function(){...}); - */ - list_str = list_str.replace(/(\n)?(^[ \t]*)([*+-]|\d+[.])[ \t]+([^\r]+?(\n{1,2}))(?=\n*(~0|\2([*+-]|\d+[.])[ \t]+))/gm, - function(wholeMatch,m1,m2,m3,m4){ - var item = m4; - var leading_line = m1; - var leading_space = m2; - - if (leading_line || (item.search(/\n{2,}/)>-1)) { - item = _RunBlockGamut(_Outdent(item)); - } - else { - // Recursion for sub-lists: - item = _DoLists(_Outdent(item)); - item = item.replace(/\n$/,""); // chomp(item) - item = _RunSpanGamut(item); - } - - return "
  • " + item + "
    • \n"; - } - ); - - // attacklab: strip sentinel - list_str = list_str.replace(/~0/g,""); - - g_list_level--; - return list_str; -} - - -var _DoCodeBlocks = function(text) { -// -// Process Markdown `
    ` blocks.
-//  
-
-	/*
-		text = text.replace(text,
-			/(?:\n\n|^)
-			(								// $1 = the code block -- one or more lines, starting with a space/tab
-				(?:
-					(?:[ ]{4}|\t)			// Lines must start with a tab or a tab-width of spaces - attacklab: g_tab_width
-					.*\n+
-				)+
-			)
-			(\n*[ ]{0,3}[^ \t\n]|(?=~0))	// attacklab: g_tab_width
-		/g,function(){...});
-	*/
-
-	// attacklab: sentinel workarounds for lack of \A and \Z, safari\khtml bug
-	text += "~0";
-	
-	text = text.replace(/(?:\n\n|^)((?:(?:[ ]{4}|\t).*\n+)+)(\n*[ ]{0,3}[^ \t\n]|(?=~0))/g,
-		function(wholeMatch,m1,m2) {
-			var codeblock = m1;
-			var nextChar = m2;
-		
-			codeblock = _EncodeCode( _Outdent(codeblock));
-			codeblock = _Detab(codeblock);
-			codeblock = codeblock.replace(/^\n+/g,""); // trim leading newlines
-			codeblock = codeblock.replace(/\n+$/g,""); // trim trailing whitespace
-
-			codeblock = "
    " + codeblock + "\n
    ";
-
-			return hashBlock(codeblock) + nextChar;
-		}
-	);
-
-	// attacklab: strip sentinel
-	text = text.replace(/~0/,"");
-
-	return text;
-}
-
-var hashBlock = function(text) {
-	text = text.replace(/(^\n+|\n+$)/g,"");
-	return "\n\n~K" + (g_html_blocks.push(text)-1) + "K\n\n";
-}
-
-
-var _DoCodeSpans = function(text) {
-//
-//   *  Backtick quotes are used for  spans.
-// 
-//   *  You can use multiple backticks as the delimiters if you want to
-//	 include literal backticks in the code span. So, this input:
-//	 
-//		 Just type ``foo `bar` baz`` at the prompt.
-//	 
-//	   Will translate to:
-//	 
-//		 
    Just type foo `bar` baz at the prompt.
    
-//	 
-//	There's no arbitrary limit to the number of backticks you
-//	can use as delimters. If you need three consecutive backticks
-//	in your code, use four for delimiters, etc.
-//
-//  *  You can use spaces to get literal backticks at the edges:
-//	 
-//		 ... type `` `bar` `` ...
-//	 
-//	   Turns to:
-//	 
-//		 ... type `bar` ...
-//
-
-	/*
-		text = text.replace(/
-			(^|[^\\])					// Character before opening ` can't be a backslash
-			(`+)						// $2 = Opening run of `
-			(							// $3 = The code block
-				[^\r]*?
-				[^`]					// attacklab: work around lack of lookbehind
-			)
-			\2							// Matching closer
-			(?!`)
-		/gm, function(){...});
-	*/
-
-	text = text.replace(/(^|[^\\])(`+)([^\r]*?[^`])\2(?!`)/gm,
-		function(wholeMatch,m1,m2,m3,m4) {
-			var c = m3;
-			c = c.replace(/^([ \t]*)/g,"");	// leading whitespace
-			c = c.replace(/[ \t]*$/g,"");	// trailing whitespace
-			c = _EncodeCode(c);
-			return m1+""+c+"";
-		});
-
-	return text;
-}
-
-
-var _EncodeCode = function(text) {
-//
-// Encode/escape certain characters inside Markdown code runs.
-// The point is that in code, these characters are literals,
-// and lose their special Markdown meanings.
-//
-	// Encode all ampersands; HTML entities are not
-	// entities within a Markdown code span.
-	text = text.replace(/&/g,"&");
-
-	// Do the angle bracket song and dance:
-	text = text.replace(//g,">");
-
-	// Now, escape characters that are magic in Markdown:
-	text = escapeCharacters(text,"\*_{}[]\\",false);
-
-// jj the line above breaks this:
-//---
-
-//* Item
-
-//   1. Subitem
-
-//            special char: *
-//---
-
-	return text;
-}
-
-
-var _DoItalicsAndBold = function(text) {
-
-	//  must go first:
-	text = text.replace(/(\*\*|__)(?=\S)([^\r]*?\S[*_]*)\1/g,
-		"$2");
-
-	text = text.replace(/(\*|_)(?=\S)([^\r]*?\S)\1/g,
-		"$2");
-
-	return text;
-}
-
-
-var _DoBlockQuotes = function(text) {
-
-	/*
-		text = text.replace(/
-		(								// Wrap whole match in $1
-			(
-				^[ \t]*>[ \t]?			// '>' at the start of a line
-				.+\n					// rest of the first line
-				(.+\n)*					// subsequent consecutive lines
-				\n*						// blanks
-			)+
-		)
-		/gm, function(){...});
-	*/
-
-	text = text.replace(/((^[ \t]*>[ \t]?.+\n(.+\n)*\n*)+)/gm,
-		function(wholeMatch,m1) {
-			var bq = m1;
-
-			// attacklab: hack around Konqueror 3.5.4 bug:
-			// "----------bug".replace(/^-/g,"") == "bug"
-
-			bq = bq.replace(/^[ \t]*>[ \t]?/gm,"~0");	// trim one level of quoting
-
-			// attacklab: clean up hack
-			bq = bq.replace(/~0/g,"");
-
-			bq = bq.replace(/^[ \t]+$/gm,"");		// trim whitespace-only lines
-			bq = _RunBlockGamut(bq);				// recurse
-			
-			bq = bq.replace(/(^|\n)/g,"$1  ");
-			// These leading spaces screw with 
     content, so we need to fix that:
-			bq = bq.replace(
-					/(\s*
    [^\r]+?<\/pre>)/gm,
-				function(wholeMatch,m1) {
-					var pre = m1;
-					// attacklab: hack around Konqueror 3.5.4 bug:
-					pre = pre.replace(/^  /mg,"~0");
-					pre = pre.replace(/~0/g,"");
-					return pre;
-				});
-			
-			return hashBlock("
    \n" + bq + "\n
    ");
-		});
-	return text;
-}
-
-
-var _FormParagraphs = function(text) {
-//
-//  Params:
-//    $text - string to process with html 
     tags
-//
-
-	// Strip leading and trailing lines:
-	text = text.replace(/^\n+/g,"");
-	text = text.replace(/\n+$/g,"");
-
-	var grafs = text.split(/\n{2,}/g);
-	var grafsOut = new Array();
-
-	//
-	// Wrap 
     tags.
-	//
-	var end = grafs.length;
-	for (var i=0; i= 0) {
-			grafsOut.push(str);
-		}
-		else if (str.search(/\S/) >= 0) {
-			str = _RunSpanGamut(str);
-			str = str.replace(/^([ \t]*)/g,"
    ");
-			str += "
    "
-			grafsOut.push(str);
-		}
-
-	}
-
-	//
-	// Unhashify HTML blocks
-	//
-	end = grafsOut.length;
-	for (var i=0; i= 0) {
-			var blockText = g_html_blocks[RegExp.$1];
-			blockText = blockText.replace(/\$/g,"$$$$"); // Escape any dollar signs
-			grafsOut[i] = grafsOut[i].replace(/~K\d+K/,blockText);
-		}
-	}
-
-	return grafsOut.join("\n\n");
-}
-
-
-var _EncodeAmpsAndAngles = function(text) {
-// Smart processing for ampersands and angle brackets that need to be encoded.
-	
-	// Ampersand-encoding based entirely on Nat Irons's Amputator MT plugin:
-	//   http://bumppo.net/projects/amputator/
-	text = text.replace(/&(?!#?[xX]?(?:[0-9a-fA-F]+|\w+);)/g,"&");
-	
-	// Encode naked <'s
-	text = text.replace(/<(?![a-z\/?\$!])/gi,"<");
-	
-	return text;
-}
-
-
-var _EncodeBackslashEscapes = function(text) {
-//
-//   Parameter:  String.
-//   Returns:	The string, with after processing the following backslash
-//			   escape sequences.
-//
-
-	// attacklab: The polite way to do this is with the new
-	// escapeCharacters() function:
-	//
-	// 	text = escapeCharacters(text,"\\",true);
-	// 	text = escapeCharacters(text,"`*_{}[]()>#+-.!",true);
-	//
-	// ...but we're sidestepping its use of the (slow) RegExp constructor
-	// as an optimization for Firefox.  This function gets called a LOT.
-
-	text = text.replace(/\\(\\)/g,escapeCharacters_callback);
-	text = text.replace(/\\([`*_{}\[\]()>#+-.!])/g,escapeCharacters_callback);
-	return text;
-}
-
-
-var _DoAutoLinks = function(text) {
-
-	text = text.replace(/<((https?|ftp|dict):[^'">\s]+)>/gi,"    $1");
-
-	// Email addresses: 
-
-	/*
-		text = text.replace(/
-			<
-			(?:mailto:)?
-			(
-				[-.\w]+
-				\@
-				[-a-z0-9]+(\.[-a-z0-9]+)*\.[a-z]+
-			)
-			>
-		/gi, _DoAutoLinks_callback());
-	*/
-	text = text.replace(/<(?:mailto:)?([-.\w]+\@[-a-z0-9]+(\.[-a-z0-9]+)*\.[a-z]+)>/gi,
-		function(wholeMatch,m1) {
-			return _EncodeEmailAddress( _UnescapeSpecialChars(m1) );
-		}
-	);
-
-	return text;
-}
-
-
-var _EncodeEmailAddress = function(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.:
-//
-//	foo
-//	   @example.com
-//
-//  Based on a filter by Matthew Wickline, posted to the BBEdit-Talk
-//  mailing list: 
-//
-
-	// attacklab: why can't javascript speak hex?
-	function char2hex(ch) {
-		var hexDigits = '0123456789ABCDEF';
-		var dec = ch.charCodeAt(0);
-		return(hexDigits.charAt(dec>>4) + hexDigits.charAt(dec&15));
-	}
-
-	var encode = [
-		function(ch){return "&#"+ch.charCodeAt(0)+";";},
-		function(ch){return "&#x"+char2hex(ch)+";";},
-		function(ch){return ch;}
-	];
-
-	addr = "mailto:" + addr;
-
-	addr = addr.replace(/./g, function(ch) {
-		if (ch == "@") {
-		   	// this *must* be encoded. I insist.
-			ch = encode[Math.floor(Math.random()*2)](ch);
-		} else if (ch !=":") {
-			// leave ':' alone (to spot mailto: later)
-			var r = Math.random();
-			// roughly 10% raw, 45% hex, 45% dec
-			ch =  (
-					r > .9  ?	encode[2](ch)   :
-					r > .45 ?	encode[1](ch)   :
-								encode[0](ch)
-				);
-		}
-		return ch;
-	});
-
-	addr = "" + addr + "";
-	addr = addr.replace(/">.+:/g,"\">"); // strip the mailto: from the visible part
-
-	return addr;
-}
-
-
-var _UnescapeSpecialChars = function(text) {
-//
-// Swap back in all the special characters we've hidden.
-//
-	text = text.replace(/~E(\d+)E/g,
-		function(wholeMatch,m1) {
-			var charCodeToReplace = parseInt(m1);
-			return String.fromCharCode(charCodeToReplace);
-		}
-	);
-	return text;
-}
-
-
-var _Outdent = function(text) {
-//
-// Remove one level of line-leading tabs or spaces
-//
-
-	// attacklab: hack around Konqueror 3.5.4 bug:
-	// "----------bug".replace(/^-/g,"") == "bug"
-
-	text = text.replace(/^(\t|[ ]{1,4})/gm,"~0"); // attacklab: g_tab_width
-
-	// attacklab: clean up hack
-	text = text.replace(/~0/g,"")
-
-	return text;
-}
-
-var _Detab = function(text) {
-// attacklab: Detab's completely rewritten for speed.
-// In perl we could fix it by anchoring the regexp with \G.
-// In javascript we're less fortunate.
-
-	// expand first n-1 tabs
-	text = text.replace(/\t(?=\t)/g,"    "); // attacklab: g_tab_width
-
-	// replace the nth with two sentinels
-	text = text.replace(/\t/g,"~A~B");
-
-	// use the sentinel to anchor our regex so it doesn't explode
-	text = text.replace(/~B(.+?)~A/g,
-		function(wholeMatch,m1,m2) {
-			var leadingText = m1;
-			var numSpaces = 4 - leadingText.length % 4;  // attacklab: g_tab_width
-
-			// there *must* be a better way to do this:
-			for (var i=0; i