diff --git a/admin/js/markdown.js b/admin/js/markdown.js
index e5162b07..fbe343d2 100644
--- a/admin/js/markdown.js
+++ b/admin/js/markdown.js
@@ -11,9 +11,9 @@
 //
 // The full source distribution is at:
 //
-//				A A L
-//				T C A
-//				T K B
+//              A A L
+//              T C A
+//              T K B
 //
 //   <http://www.attacklab.net/>
 //
@@ -70,21 +70,21 @@ var Showdown = { extensions: {} };
 // forEach
 //
 var forEach = Showdown.forEach = function(obj, callback) {
-	if (typeof obj.forEach === 'function') {
-		obj.forEach(callback);
-	} else {
-		var i, len = obj.length;
-		for (i = 0; i < len; i++) {
-			callback(obj[i], i, obj);
-		}
-	}
+    if (typeof obj.forEach === 'function') {
+        obj.forEach(callback);
+    } else {
+        var i, len = obj.length;
+        for (i = 0; i < len; i++) {
+            callback(obj[i], i, obj);
+        }
+    }
 };
 
 //
 // Standard extension naming
 //
 var stdExtName = function(s) {
-	return s.replace(/[_-]||\s/g, '').toLowerCase();
+    return s.replace(/[_-]||\s/g, '').toLowerCase();
 };
 
 //
@@ -118,21 +118,21 @@ var g_output_modifiers = [];
 //
 
 if (typeof module !== 'undefind' && typeof exports !== 'undefined' && typeof require !== 'undefind') {
-	var fs = require('fs');
+    var fs = require('fs');
 
-	if (fs) {
-		// Search extensions folder
-		var extensions = fs.readdirSync((__dirname || '.')+'/extensions').filter(function(file){
-			return ~file.indexOf('.js');
-		}).map(function(file){
-			return file.replace(/\.js$/, '');
-		});
-		// Load extensions into Showdown namespace
-		Showdown.forEach(extensions, function(ext){
-			var name = stdExtName(ext);
-			Showdown.extensions[name] = require('./extensions/' + ext);
-		});
-	}
+    if (fs) {
+        // Search extensions folder
+        var extensions = fs.readdirSync((__dirname || '.')+'/extensions').filter(function(file){
+            return ~file.indexOf('.js');
+        }).map(function(file){
+            return file.replace(/\.js$/, '');
+        });
+        // Load extensions into Showdown namespace
+        Showdown.forEach(extensions, function(ext){
+            var name = stdExtName(ext);
+            Showdown.extensions[name] = require('./extensions/' + ext);
+        });
+    }
 }
 
 this.makeHtml = function(text) {
@@ -143,70 +143,70 @@ this.makeHtml = function(text) {
 // and <img> 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 = {};
-	g_titles = {};
-	g_html_blocks = [];
+    // 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 = {};
+    g_titles = {};
+    g_html_blocks = [];
 
-	// 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 ~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");
+    // 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
+    // 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";
+    // 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);
+    // 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]+$/mg,"");
+    // Strip any lines consisting only of spaces and tabs.
+    // This makes subsequent regexen easier to write, because we can
+    // match consecutive blank lines with /\n+/ instead of something
+    // contorted like /[ \t]*\n+/ .
+    text = text.replace(/^[ \t]+$/mg,"");
 
-	// Run language extensions
-	Showdown.forEach(g_lang_extensions, function(x){
-		text = _ExecuteExtension(x, text);
-	});
+    // Run language extensions
+    Showdown.forEach(g_lang_extensions, function(x){
+        text = _ExecuteExtension(x, text);
+    });
 
-	// Handle github codeblocks prior to running HashHTML so that
-	// HTML contained within the codeblock gets escaped propertly
-	text = _DoGithubCodeBlocks(text);
+    // Handle github codeblocks prior to running HashHTML so that
+    // HTML contained within the codeblock gets escaped propertly
+    text = _DoGithubCodeBlocks(text);
 
-	// Turn block-level HTML blocks into hash entries
-	text = _HashHTMLBlocks(text);
+    // Turn block-level HTML blocks into hash entries
+    text = _HashHTMLBlocks(text);
 
-	// Strip link definitions, store in hashes.
-	text = _StripLinkDefinitions(text);
+    // Strip link definitions, store in hashes.
+    text = _StripLinkDefinitions(text);
 
-	text = _RunBlockGamut(text);
+    text = _RunBlockGamut(text);
 
-	text = _UnescapeSpecialChars(text);
+    text = _UnescapeSpecialChars(text);
 
-	// attacklab: Restore dollar signs
-	text = text.replace(/~D/g,"$$");
+    // attacklab: Restore dollar signs
+    text = text.replace(/~D/g,"$$");
 
-	// attacklab: Restore tildes
-	text = text.replace(/~T/g,"~");
+    // attacklab: Restore tildes
+    text = text.replace(/~T/g,"~");
 
-	// Run output modifiers
-	Showdown.forEach(g_output_modifiers, function(x){
-		text = _ExecuteExtension(x, text);
-	});
+    // Run output modifiers
+    Showdown.forEach(g_output_modifiers, function(x){
+        text = _ExecuteExtension(x, text);
+    });
 
     text = text.replace(/<\/?(\!doctype|html|head|body|link|title|input|select|button|textarea|style|script|noscript|iframe|object|embed)[^>]*>/ig, function (all) {
         return all.replace(/&/g, '&amp;')
@@ -217,7 +217,7 @@ this.makeHtml = function(text) {
         return all;
     });
 
-	return text;
+    return text;
 };
 //
 // Options:
@@ -228,43 +228,43 @@ if (converter_options && converter_options.extensions) {
 
   var self = this;
 
-	// Iterate over each plugin
-	Showdown.forEach(converter_options.extensions, function(plugin){
+    // Iterate over each plugin
+    Showdown.forEach(converter_options.extensions, function(plugin){
 
-		// Assume it's a bundled plugin if a string is given
-		if (typeof plugin === 'string') {
-			plugin = Showdown.extensions[stdExtName(plugin)];
-		}
+        // Assume it's a bundled plugin if a string is given
+        if (typeof plugin === 'string') {
+            plugin = Showdown.extensions[stdExtName(plugin)];
+        }
 
-		if (typeof plugin === 'function') {
-			// Iterate over each extension within that plugin
-			Showdown.forEach(plugin(self), function(ext){
-				// Sort extensions by type
-				if (ext.type) {
-					if (ext.type === 'language' || ext.type === 'lang') {
-						g_lang_extensions.push(ext);
-					} else if (ext.type === 'output' || ext.type === 'html') {
-						g_output_modifiers.push(ext);
-					}
-				} else {
-					// Assume language extension
-					g_output_modifiers.push(ext);
-				}
-			});
-		} else {
-			throw "Extension '" + plugin + "' could not be loaded.  It was either not found or is not a valid extension.";
-		}
-	});
+        if (typeof plugin === 'function') {
+            // Iterate over each extension within that plugin
+            Showdown.forEach(plugin(self), function(ext){
+                // Sort extensions by type
+                if (ext.type) {
+                    if (ext.type === 'language' || ext.type === 'lang') {
+                        g_lang_extensions.push(ext);
+                    } else if (ext.type === 'output' || ext.type === 'html') {
+                        g_output_modifiers.push(ext);
+                    }
+                } else {
+                    // Assume language extension
+                    g_output_modifiers.push(ext);
+                }
+            });
+        } else {
+            throw "Extension '" + plugin + "' could not be loaded.  It was either not found or is not a valid extension.";
+        }
+    });
 }
 
 
 var _ExecuteExtension = function(ext, text) {
-	if (ext.regex) {
-		var re = new RegExp(ext.regex, 'g');
-		return text.replace(re, ext.replace);
-	} else if (ext.filter) {
-		return ext.filter(text);
-	}
+    if (ext.regex) {
+        var re = new RegExp(ext.regex, 'g');
+        return text.replace(re, ext.replace);
+    } else if (ext.filter) {
+        return ext.filter(text);
+    }
 };
 
 var _StripLinkDefinitions = function(text) {
@@ -273,195 +273,195 @@ var _StripLinkDefinitions = function(text) {
 // hash references.
 //
 
-	// Link defs are in the form: ^[id]: url "optional title"
+    // 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]*
-				<?(\S+?)>?			// 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}\[(.+)\]:  // id = $1  attacklab: g_tab_width - 1
+                  [ \t]*
+                  \n?               // maybe *one* newline
+                  [ \t]*
+                <?(\S+?)>?          // 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(){...});
+    */
 
-	// attacklab: sentinel workarounds for lack of \A and \Z, safari\khtml bug
-	text += "~0";
+    // attacklab: sentinel workarounds for lack of \A and \Z, safari\khtml bug
+    text += "~0";
 
-	text = text.replace(/^[ ]{0,3}\[(.+)\]:[ \t]*\n?[ \t]*<?(\S+?)>?[ \t]*\n?[ \t]*(?:(\n*)["(](.+?)[")][ \t]*)?(?:\n+|(?=~0))/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,"&quot;");
-			}
+    text = text.replace(/^[ ]{0,3}\[(.+)\]:[ \t]*\n?[ \t]*<?(\S+?)>?[ \t]*\n?[ \t]*(?:(\n*)["(](.+?)[")][ \t]*)?(?:\n+|(?=~0))/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,"&quot;");
+            }
 
-			// Completely remove the definition from the text
-			return "";
-		}
-	);
+            // Completely remove the definition from the text
+            return "";
+        }
+    );
 
-	// attacklab: strip sentinel
-	text = text.replace(/~0/,"");
+    // attacklab: strip sentinel
+    text = text.replace(/~0/,"");
 
-	return text;
+    return text;
 }
 
 
 var _HashHTMLBlocks = function(text) {
-	// attacklab: Double up blank lines to reduce lookaround
-	text = text.replace(/\n/g,"\n\n");
+    // 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 <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:
-	var block_tags_a = "p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math|ins|del|style|section|header|footer|nav|article|aside";
-	var block_tags_b = "p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math|style|section|header|footer|nav|article|aside";
+    // Hashify HTML blocks:
+    // We only want to do this for block-level HTML tags, such as headers,
+    // lists, and tables. That's because we still want to wrap <p>s around
+    // "paragraphs" that are wrapped in non-block-level tags, such as anchors,
+    // phrase emphasis, and spans. The list of tags we're looking for is
+    // hard-coded:
+    var block_tags_a = "p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math|ins|del|style|section|header|footer|nav|article|aside";
+    var block_tags_b = "p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math|style|section|header|footer|nav|article|aside";
 
-	// First, look for nested blocks, e.g.:
-	//   <div>
-	//     <div>
-	//     tags for inner block must be indented.
-	//     </div>
-	//   </div>
-	//
-	// The outermost tags must start at the left margin for this to match, and
-	// the inner nested divs must be indented.
-	// We need to do this before the next, more liberal match, because the next
-	// match will start at the first `<div>` and stop at the first `</div>`.
+    // First, look for nested blocks, e.g.:
+    //   <div>
+    //     <div>
+    //     tags for inner block must be indented.
+    //     </div>
+    //   </div>
+    //
+    // The outermost tags must start at the left margin for this to match, and
+    // the inner nested divs must be indented.
+    // We need to do this before the next, more liberal match, because the next
+    // match will start at the first `<div>` and stop at the first `</div>`.
 
-	// 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
-			</\2>				// 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);
+    // 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
+            </\2>               // 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<tag>` to `</tag>\n`
-	//
+    //
+    // Now match more liberally, simply from `\n<tag>` to `</tag>\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
-			</\2>				// 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|style|section|header|footer|nav|article|aside)\b[^\r]*?<\/\2>[ \t]*(?=\n+)\n)/gm,hashElement);
+    /*
+        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
+            </\2>               // 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|style|section|header|footer|nav|article|aside)\b[^\r]*?<\/\2>[ \t]*(?=\n+)\n)/gm,hashElement);
 
-	// Special case just for <hr />. It was easier to make a special case than
-	// to make the other regex more complicated.
+    // Special case just for <hr />. 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);
+    /*
+        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:
+    // 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
-			<!
-			(--[^\r]*?--\s*)+
-			>
-			[ \t]*
-			(?=\n{2,})			// followed by a blank line
-		)
-		/g,hashElement);
-	*/
-	text = text.replace(/(\n\n[ ]{0,3}<!(--[^\r]*?--\s*)+>[ \t]*(?=\n{2,}))/g,hashElement);
+    /*
+        text = text.replace(/
+        (                       // save in $1
+            \n\n                // Starting after a blank line
+            [ ]{0,3}            // attacklab: g_tab_width - 1
+            <!
+            (--[^\r]*?--\s*)+
+            >
+            [ \t]*
+            (?=\n{2,})          // followed by a blank line
+        )
+        /g,hashElement);
+    */
+    text = text.replace(/(\n\n[ ]{0,3}<!(--[^\r]*?--\s*)+>[ \t]*(?=\n{2,}))/g,hashElement);
 
-	// PHP and ASP-style processor instructions (<?...?> and <%...%>)
+    // 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);
+    /*
+        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;
+    // 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;
+    var blockText = m1;
 
-	// Undo double lines
-	blockText = blockText.replace(/\n\n/g,"\n");
-	blockText = blockText.replace(/^\n/,"");
+    // Undo double lines
+    blockText = blockText.replace(/\n\n/g,"\n");
+    blockText = blockText.replace(/^\n/,"");
 
-	// strip trailing blank lines
-	blockText = blockText.replace(/\n+$/g,"");
+    // strip trailing blank lines
+    blockText = blockText.replace(/\n+$/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";
+    // 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;
+    return blockText;
 };
 
 var _RunBlockGamut = function(text) {
@@ -469,26 +469,26 @@ var _RunBlockGamut = function(text) {
 // These are all the transformations that form block-level
 // tags like paragraphs, headers, and list items.
 //
-	text = _DoHeaders(text);
+    text = _DoHeaders(text);
 
-	// Do Horizontal Rules:
-	var key = hashBlock("<hr />");
-	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]*$/gm,key);
+    // Do Horizontal Rules:
+    var key = hashBlock("<hr />");
+    text = text.replace(/^[ ]{0,2}([ ]?\*[ ]?){3,}[ \t]*$/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);
+    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
-	// <p> tags around block-level tags.
-	text = _HashHTMLBlocks(text);
-	text = _FormParagraphs(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
+    // <p> tags around block-level tags.
+    text = _HashHTMLBlocks(text);
+    text = _FormParagraphs(text);
 
-	return text;
+    return text;
 };
 
 
@@ -498,26 +498,26 @@ var _RunSpanGamut = function(text) {
 // tags like paragraphs, headers, and list items.
 //
 
-	text = _DoCodeSpans(text);
-	text = _EscapeSpecialCharsWithinTagAttributes(text);
-	text = _EncodeBackslashEscapes(text);
+    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);
+    // 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 `<http://example.com/>`
-	// Must come after _DoAnchors(), because you can use < and >
-	// delimiters in inline links like [this](<url>).
-	text = _DoAutoLinks(text);
-	text = _EncodeAmpsAndAngles(text);
-	text = _DoItalicsAndBold(text);
+    // Make links out of things like `<http://example.com/>`
+    // Must come after _DoAnchors(), because you can use < and >
+    // delimiters in inline links like [this](<url>).
+    text = _DoAutoLinks(text);
+    text = _EncodeAmpsAndAngles(text);
+    text = _DoItalicsAndBold(text);
 
-	// Do hard breaks:
-	text = text.replace(/  +\n/g," <br />\n");
+    // Do hard breaks:
+    text = text.replace(/  +\n/g," <br />\n");
 
-	return text;
+    return text;
 }
 
 var _EscapeSpecialCharsWithinTagAttributes = function(text) {
@@ -526,147 +526,147 @@ var _EscapeSpecialCharsWithinTagAttributes = function(text) {
 // 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\/!$]("[^"]*"|'[^']*'|[^'">])*>|<!(--.*?--\s*)+>)/gi;
+    // Build a regex to find HTML tags and comments.  See Friedl's
+    // "Mastering Regular Expressions", 2nd Ed., pp. 200-201.
+    var regex = /(<[a-z\/!$]("[^"]*"|'[^']*'|[^'">])*>|<!(--.*?--\s*)+>)/gi;
 
-	text = text.replace(regex, function(wholeMatch) {
-		var tag = wholeMatch.replace(/(.)<\/?code>(?=.)/g,"$1`");
-		tag = escapeCharacters(tag,"\\`*_");
-		return tag;
-	});
+    text = text.replace(regex, function(wholeMatch) {
+        var tag = wholeMatch.replace(/(.)<\/?code>(?=.)/g,"$1`");
+        tag = escapeCharacters(tag,"\\`*_");
+        return tag;
+    });
 
-	return text;
+    return text;
 }
 
 var _DoAnchors = function(text) {
 //
 // Turn Markdown link shortcuts into XHTML <a> tags.
 //
-	//
-	// First, handle reference-style links: [link text] [id]
-	//
+    //
+    // First, handle reference-style links: [link text] [id]
+    //
 
-	/*
-		text = text.replace(/
-		(							// wrap whole match in $1
-			\[
-			(
-				(?:
-					\[[^\]]*\]		// allow brackets nested one level
-					|
-					[^\[]			// or anything else
-				)*
-			)
-			\]
+    /*
+        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
+            [ ]?                    // one optional space
+            (?:\n[ ]*)?             // one optional newline followed by spaces
 
-			\[
-			(.*?)					// id = $3
-			\]
-		)()()()()					// pad remaining backreferences
-		/g,_DoAnchors_callback);
-	*/
-	text = text.replace(/(\[((?:\[[^\]]*\]|[^\[\]])*)\][ ]?(?:\n[ ]*)?\[(.*?)\])()()()()/g,writeAnchorTag);
+            \[
+            (.*?)                   // id = $3
+            \]
+        )()()()()                   // pad remaining backreferences
+        /g,_DoAnchors_callback);
+    */
+    text = text.replace(/(\[((?:\[[^\]]*\]|[^\[\]])*)\][ ]?(?:\n[ ]*)?\[(.*?)\])()()()()/g,writeAnchorTag);
 
-	//
-	// Next, inline-style links: [link text](url "optional title")
-	//
+    //
+    // 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);
+    /*
+        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)
-	//
+    //
+    // 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);
+    /*
+        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;
+    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 (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 (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;
-			}
-		}
-	}
+        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 = "<a href=\"" + url + "\"";
+    url = escapeCharacters(url,"*_");
+    var result = "<a href=\"" + url + "\"";
 
-	if (title != "") {
-		title = title.replace(/"/g,"&quot;");
-		title = escapeCharacters(title,"*_");
-		result +=  " title=\"" + title + "\"";
-	}
+    if (title != "") {
+        title = title.replace(/"/g,"&quot;");
+        title = escapeCharacters(title,"*_");
+        result +=  " title=\"" + title + "\"";
+    }
 
-	result += ">" + link_text + "</a>";
+    result += ">" + link_text + "</a>";
 
-	return result;
+    return result;
 }
 
 
@@ -675,149 +675,149 @@ var _DoImages = function(text) {
 // Turn Markdown image shortcuts into <img> tags.
 //
 
-	//
-	// First, handle reference-style labeled images: ![alt text][id]
-	//
+    //
+    // First, handle reference-style labeled images: ![alt text][id]
+    //
 
-	/*
-		text = text.replace(/
-		(						// wrap whole match in $1
-			!\[
-			(.*?)				// alt text = $2
-			\]
+    /*
+        text = text.replace(/
+        (                       // wrap whole match in $1
+            !\[
+            (.*?)               // alt text = $2
+            \]
 
-			[ ]?				// one optional space
-			(?:\n[ ]*)?			// one optional newline followed by spaces
+            [ ]?                // one optional space
+            (?:\n[ ]*)?         // one optional newline followed by spaces
 
-			\[
-			(.*?)				// id = $3
-			\]
-		)()()()()				// pad rest of backreferences
-		/g,writeImageTag);
-	*/
-	text = text.replace(/(!\[(.*?)\][ ]?(?:\n[ ]*)?\[(.*?)\])()()()()/g,writeImageTag);
+            \[
+            (.*?)               // id = $3
+            \]
+        )()()()()               // 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 _
+    //
+    // 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
-			\(					// literal paren
-			[ \t]*
-			()					// no id, so leave $3 empty
-			<?(\S+?)>?			// src url = $4
-			[ \t]*
-			(					// $5
-				(['"])			// quote char = $6
-				(.*?)			// title = $7
-				\6				// matching quote
-				[ \t]*
-			)?					// title is optional
-		\)
-		)
-		/g,writeImageTag);
-	*/
-	text = text.replace(/(!\[(.*?)\]\s?\([ \t]*()<?(\S+?)>?[ \t]*((['"])(.*?)\6[ \t]*)?\))/g,writeImageTag);
+    /*
+        text = text.replace(/
+        (                       // wrap whole match in $1
+            !\[
+            (.*?)               // alt text = $2
+            \]
+            \s?                 // One optional whitespace character
+            \(                  // literal paren
+            [ \t]*
+            ()                  // no id, so leave $3 empty
+            <?(\S+?)>?          // src url = $4
+            [ \t]*
+            (                   // $5
+                (['"])          // quote char = $6
+                (.*?)           // title = $7
+                \6              // matching quote
+                [ \t]*
+            )?                  // title is optional
+        \)
+        )
+        /g,writeImageTag);
+    */
+    text = text.replace(/(!\[(.*?)\]\s?\([ \t]*()<?(\S+?)>?[ \t]*((['"])(.*?)\6[ \t]*)?\))/g,writeImageTag);
 
-	return text;
+    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;
+    var whole_match = m1;
+    var alt_text   = m2;
+    var link_id  = m3.toLowerCase();
+    var url     = m4;
+    var title   = m7;
 
-	if (!title) title = "";
+    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 (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;
-		}
-	}
+        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,"&quot;");
-	url = escapeCharacters(url,"*_");
-	var result = "<img src=\"" + url + "\" alt=\"" + alt_text + "\"";
+    alt_text = alt_text.replace(/"/g,"&quot;");
+    url = escapeCharacters(url,"*_");
+    var result = "<img src=\"" + url + "\" alt=\"" + alt_text + "\"";
 
-	// attacklab: Markdown.pl adds empty title attributes to images.
-	// Replicate this bug.
+    // attacklab: Markdown.pl adds empty title attributes to images.
+    // Replicate this bug.
 
-	//if (title != "") {
-		title = title.replace(/"/g,"&quot;");
-		title = escapeCharacters(title,"*_");
-		result +=  " title=\"" + title + "\"";
-	//}
+    //if (title != "") {
+        title = title.replace(/"/g,"&quot;");
+        title = escapeCharacters(title,"*_");
+        result +=  " title=\"" + title + "\"";
+    //}
 
-	result += " />";
+    result += " />";
 
-	return result;
+    return result;
 }
 
 
 var _DoHeaders = function(text) {
 
-	// Setext-style headers:
-	//	Header 1
-	//	========
-	//
-	//	Header 2
-	//	--------
-	//
-	text = text.replace(/^(.+)[ \t]*\n=+[ \t]*\n+/gm,
-		function(wholeMatch,m1){return hashBlock('<h1 id="' + headerId(m1) + '">' + _RunSpanGamut(m1) + "</h1>");});
+    // Setext-style headers:
+    //  Header 1
+    //  ========
+    //
+    //  Header 2
+    //  --------
+    //
+    text = text.replace(/^(.+)[ \t]*\n=+[ \t]*\n+/gm,
+        function(wholeMatch,m1){return hashBlock('<h1 id="' + headerId(m1) + '">' + _RunSpanGamut(m1) + "</h1>");});
 
-	text = text.replace(/^(.+)[ \t]*\n-+[ \t]*\n+/gm,
-		function(matchFound,m1){return hashBlock('<h2 id="' + headerId(m1) + '">' + _RunSpanGamut(m1) + "</h2>");});
+    text = text.replace(/^(.+)[ \t]*\n-+[ \t]*\n+/gm,
+        function(matchFound,m1){return hashBlock('<h2 id="' + headerId(m1) + '">' + _RunSpanGamut(m1) + "</h2>");});
 
-	// atx-style headers:
-	//  # Header 1
-	//  ## Header 2
-	//  ## Header 2 with closing hashes ##
-	//  ...
-	//  ###### Header 6
-	//
+    // 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})              // $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("<h" + h_level + ' id="' + headerId(m2) + '">' + _RunSpanGamut(m2) + "</h" + h_level + ">");
-		});
+    text = text.replace(/^(\#{1,6})[ \t]*(.+?)[ \t]*\#*\n+/gm,
+        function(wholeMatch,m1,m2) {
+            var h_level = m1.length;
+            return hashBlock("<h" + h_level + ' id="' + headerId(m2) + '">' + _RunSpanGamut(m2) + "</h" + h_level + ">");
+        });
 
-	function headerId(m) {
-		return m.replace(/[^\w]/g, '').toLowerCase();
-	}
-	return text;
+    function headerId(m) {
+        return m.replace(/[^\w]/g, '').toLowerCase();
+    }
+    return text;
 }
 
 // This declaration keeps Dojo compressor from outputting garbage:
@@ -828,73 +828,73 @@ 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";
+    // 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:
+    // 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;
+    /*
+        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";
+    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);
+            // 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 `</$list_type>`
-			// up on the preceding line, to get it past the current stupid
-			// HTML block parser. This is a hack to work around the terrible
-			// hack that is the HTML block parser.
-			result = result.replace(/\s+$/,"");
-			result = "<"+list_type+">" + result + "</"+list_type+">\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;
+            // Trim any trailing whitespace, to put the closing `</$list_type>`
+            // up on the preceding line, to get it past the current stupid
+            // HTML block parser. This is a hack to work around the terrible
+            // hack that is the HTML block parser.
+            result = result.replace(/\s+$/,"");
+            result = "<"+list_type+">" + result + "</"+list_type+">\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 + "</"+list_type+">\n";
-			return result;
-		});
-	}
+            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 + "</"+list_type+">\n";
+            return result;
+        });
+    }
 
-	// attacklab: strip sentinel
-	text = text.replace(/~0/,"");
+    // attacklab: strip sentinel
+    text = text.replace(/~0/,"");
 
-	return text;
+    return text;
 }
 
 _ProcessListItems = function(list_str) {
@@ -902,70 +902,70 @@ _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.".
+    // 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++;
+    g_list_level++;
 
-	// trim trailing blank lines:
-	list_str = list_str.replace(/\n{2,}$/,"\n");
+    // trim trailing blank lines:
+    list_str = list_str.replace(/\n{2,}$/,"\n");
 
-	// attacklab: add sentinel to emulate \z
-	list_str += "~0";
+    // 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;
+    /*
+        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$/,""); // chomp(item)
-				item = _RunSpanGamut(item);
-			}
+            if (leading_line || (item.search(/\n{2,}/)>-1)) {
+                item = _RunBlockGamut(_Outdent(item));
+            }
+            else {
+                // Recursion for sub-lists:
+                item = _DoLists(_Outdent(item));
+                item = item.replace(/\n$/,""); // chomp(item)
+                item = _RunSpanGamut(item);
+            }
 
-			return  "<li>" + item + "</li>\n";
-		}
-	);
+            return  "<li>" + item + "</li>\n";
+        }
+    );
 
-	// attacklab: strip sentinel
-	list_str = list_str.replace(/~0/g,"");
+    // attacklab: strip sentinel
+    list_str = list_str.replace(/~0/g,"");
 
-	g_list_level--;
-	return list_str;
+    g_list_level--;
+    return list_str;
 }
 
 
@@ -974,42 +974,42 @@ var _DoCodeBlocks = function(text) {
 //  Process Markdown `<pre><code>` 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(){...});
-	*/
+    /*
+        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";
+    // 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;
+    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+$/g,""); // trim trailing whitespace
+            codeblock = _EncodeCode( _Outdent(codeblock));
+            codeblock = _Detab(codeblock);
+            codeblock = codeblock.replace(/^\n+/g,""); // trim leading newlines
+            codeblock = codeblock.replace(/\n+$/g,""); // trim trailing whitespace
 
-			codeblock = "<pre><code>" + codeblock + "\n</code></pre>";
+            codeblock = "<pre><code>" + codeblock + "\n</code></pre>";
 
-			return hashBlock(codeblock) + nextChar;
-		}
-	);
+            return hashBlock(codeblock) + nextChar;
+        }
+    );
 
-	// attacklab: strip sentinel
-	text = text.replace(/~0/,"");
+    // attacklab: strip sentinel
+    text = text.replace(/~0/,"");
 
-	return text;
+    return text;
 };
 
 var _DoGithubCodeBlocks = function(text) {
@@ -1024,34 +1024,34 @@ var _DoGithubCodeBlocks = function(text) {
 //
 
 
-	// attacklab: sentinel workarounds for lack of \A and \Z, safari\khtml bug
-	text += "~0";
+    // attacklab: sentinel workarounds for lack of \A and \Z, safari\khtml bug
+    text += "~0";
 
-	text = text.replace(/(?:^|\n)```(.*)\n([\s\S]*?)\n```/g,
-		function(wholeMatch,m1,m2) {
-			var language = m1;
-			var codeblock = m2;
+    text = text.replace(/(?:^|\n)```(.*)\n([\s\S]*?)\n```/g,
+        function(wholeMatch,m1,m2) {
+            var language = m1;
+            var codeblock = m2;
 
-			codeblock = _EncodeCode(codeblock);
-			codeblock = _Detab(codeblock);
-			codeblock = codeblock.replace(/^\n+/g,""); // trim leading newlines
-			codeblock = codeblock.replace(/\n+$/g,""); // trim trailing whitespace
+            codeblock = _EncodeCode(codeblock);
+            codeblock = _Detab(codeblock);
+            codeblock = codeblock.replace(/^\n+/g,""); // trim leading newlines
+            codeblock = codeblock.replace(/\n+$/g,""); // trim trailing whitespace
 
-			codeblock = "<pre><code" + (language ? " class=\"lang-" + language + '"' : "") + ">" + codeblock + "\n</code></pre>";
+            codeblock = "<pre><code" + (language ? " class=\"lang-" + language + '"' : "") + ">" + codeblock + "\n</code></pre>";
 
-			return hashBlock(codeblock);
-		}
-	);
+            return hashBlock(codeblock);
+        }
+    );
 
-	// attacklab: strip sentinel
-	text = text.replace(/~0/,"");
+    // attacklab: strip sentinel
+    text = text.replace(/~0/,"");
 
-	return text;
+    return text;
 }
 
 var hashBlock = function(text) {
-	text = text.replace(/(^\n+|\n+$)/g,"");
-	return "\n\n~K" + (g_html_blocks.push(text)-1) + "K\n\n";
+    text = text.replace(/(^\n+|\n+$)/g,"");
+    return "\n\n~K" + (g_html_blocks.push(text)-1) + "K\n\n";
 }
 
 var _DoCodeSpans = function(text) {
@@ -1059,50 +1059,50 @@ var _DoCodeSpans = function(text) {
 //   *  Backtick quotes are used for <code></code> spans.
 //
 //   *  You can use multiple backticks as the delimiters if you want to
-//	 include literal backticks in the code span. So, this input:
+//   include literal backticks in the code span. So, this input:
 //
-//		 Just type ``foo `bar` baz`` at the prompt.
+//       Just type ``foo `bar` baz`` at the prompt.
 //
-//	   Will translate to:
+//     Will translate to:
 //
-//		 <p>Just type <code>foo `bar` baz</code> at the prompt.</p>
+//       <p>Just type <code>foo `bar` baz</code> at the prompt.</p>
 //
-//	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.
+//  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` `` ...
+//       ... type `` `bar` `` ...
 //
-//	   Turns to:
+//     Turns to:
 //
-//		 ... type <code>`bar`</code> ...
+//       ... type <code>`bar`</code> ...
 //
 
-	/*
-		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(/
+            (^|[^\\])                   // 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]*$/g,"");	// trailing whitespace
-			c = _EncodeCode(c);
-			return m1+"<code>"+c+"</code>";
-		});
+    text = text.replace(/(^|[^\\])(`+)([^\r]*?[^`])\2(?!`)/gm,
+        function(wholeMatch,m1,m2,m3,m4) {
+            var c = m3;
+            c = c.replace(/^([ \t]*)/g,""); // leading whitespace
+            c = c.replace(/[ \t]*$/g,"");   // trailing whitespace
+            c = _EncodeCode(c);
+            return m1+"<code>"+c+"</code>";
+        });
 
-	return text;
+    return text;
 }
 
 var _EncodeCode = function(text) {
@@ -1111,16 +1111,16 @@ var _EncodeCode = function(text) {
 // 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,"&amp;");
+    // Encode all ampersands; HTML entities are not
+    // entities within a Markdown code span.
+    text = text.replace(/&/g,"&amp;");
 
-	// Do the angle bracket song and dance:
-	text = text.replace(/</g,"&lt;");
-	text = text.replace(/>/g,"&gt;");
+    // Do the angle bracket song and dance:
+    text = text.replace(/</g,"&lt;");
+    text = text.replace(/>/g,"&gt;");
 
-	// Now, escape characters that are magic in Markdown:
-	text = escapeCharacters(text,"\*_{}[]\\",false);
+    // Now, escape characters that are magic in Markdown:
+    text = escapeCharacters(text,"\*_{}[]\\",false);
 
 // jj the line above breaks this:
 //---
@@ -1132,68 +1132,68 @@ var _EncodeCode = function(text) {
 //            special char: *
 //---
 
-	return text;
+    return text;
 }
 
 
 var _DoItalicsAndBold = function(text) {
 
-	// <strong> must go first:
-	text = text.replace(/(\*\*|__)(?=\S)([^\r]*?\S[*_]*)\1/g,
-		"<strong>$2</strong>");
+    // <strong> must go first:
+    text = text.replace(/(\*\*|__)(?=\S)([^\r]*?\S[*_]*)\1/g,
+        "<strong>$2</strong>");
 
-	text = text.replace(/(\*|_)(?=\S)([^\r]*?\S)\1/g,
-		"<em>$2</em>");
+    text = text.replace(/(\*|_)(?=\S)([^\r]*?\S)\1/g,
+        "<em>$2</em>");
 
-	return text;
+    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(/
+        (                               // 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;
+    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"
+            // attacklab: hack around Konqueror 3.5.4 bug:
+            // "----------bug".replace(/^-/g,"") == "bug"
 
-			bq = bq.replace(/^[ \t]*>[ \t]?/gm,"~0");	// trim one level of quoting
+            bq = bq.replace(/^[ \t]*>[ \t]?/gm,"~0");   // trim one level of quoting
 
-			// attacklab: clean up hack
-			bq = bq.replace(/~0/g,"");
+            // attacklab: clean up hack
+            bq = bq.replace(/~0/g,"");
 
-			bq = bq.replace(/^[ \t]+$/gm,"");		// trim whitespace-only lines
-			bq = _RunBlockGamut(bq);				// recurse
+            bq = bq.replace(/^[ \t]+$/gm,"");       // trim whitespace-only lines
+            bq = _RunBlockGamut(bq);                // recurse
 
-			bq = bq.replace(/(^|\n)/g,"$1  ");
-			// These leading spaces screw with <pre> content, so we need to fix that:
-			bq = bq.replace(
-					/(\s*<pre>[^\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;
-				});
+            bq = bq.replace(/(^|\n)/g,"$1  ");
+            // These leading spaces screw with <pre> content, so we need to fix that:
+            bq = bq.replace(
+                    /(\s*<pre>[^\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("<blockquote>\n" + bq + "\n</blockquote>");
-		});
-	return text;
+            return hashBlock("<blockquote>\n" + bq + "\n</blockquote>");
+        });
+    return text;
 }
 
 
@@ -1203,83 +1203,83 @@ var _FormParagraphs = function(text) {
 //    $text - string to process with html <p> tags
 //
 
-	// Strip leading and trailing lines:
-	text = text.replace(/^\n+/g,"");
-	text = text.replace(/\n+$/g,"");
+    // Strip leading and trailing lines:
+    text = text.replace(/^\n+/g,"");
+    text = text.replace(/\n+$/g,"");
 
-	var grafs = text.split(/\n{2,}/g);
-	var grafsOut = [];
+    var grafs = text.split(/\n{2,}/g);
+    var grafsOut = [];
 
-	//
-	// Wrap <p> tags.
-	//
-	var end = grafs.length;
-	for (var i=0; i<end; i++) {
-		var str = grafs[i];
+    //
+    // Wrap <p> tags.
+    //
+    var end = grafs.length;
+    for (var i=0; i<end; i++) {
+        var str = grafs[i];
 
-		// if this is an HTML marker, copy it
-		if (str.search(/~K(\d+)K/g) >= 0) {
-			grafsOut.push(str);
-		}
-		else if (str.search(/\S/) >= 0) {
-			str = _RunSpanGamut(str);
-			str = str.replace(/^([ \t]*)/g,"<p>");
-			str += "</p>"
-			grafsOut.push(str);
-		}
+        // if this is an HTML marker, copy it
+        if (str.search(/~K(\d+)K/g) >= 0) {
+            grafsOut.push(str);
+        }
+        else if (str.search(/\S/) >= 0) {
+            str = _RunSpanGamut(str);
+            str = str.replace(/^([ \t]*)/g,"<p>");
+            str += "</p>"
+            grafsOut.push(str);
+        }
 
-	}
+    }
 
-	//
-	// Unhashify HTML blocks
-	//
-	end = grafsOut.length;
-	for (var i=0; i<end; i++) {
-		// if this is a marker for an html block...
-		while (grafsOut[i].search(/~K(\d+)K/) >= 0) {
-			var blockText = g_html_blocks[RegExp.$1];
-			blockText = blockText.replace(/\$/g,"$$$$"); // Escape any dollar signs
-			grafsOut[i] = grafsOut[i].replace(/~K\d+K/,blockText);
-		}
-	}
+    //
+    // Unhashify HTML blocks
+    //
+    end = grafsOut.length;
+    for (var i=0; i<end; i++) {
+        // if this is a marker for an html block...
+        while (grafsOut[i].search(/~K(\d+)K/) >= 0) {
+            var blockText = g_html_blocks[RegExp.$1];
+            blockText = blockText.replace(/\$/g,"$$$$"); // Escape any dollar signs
+            grafsOut[i] = grafsOut[i].replace(/~K\d+K/,blockText);
+        }
+    }
 
-	return grafsOut.join("\n\n");
+    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,"&amp;");
+    // 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,"&amp;");
 
-	// Encode naked <'s
-	text = text.replace(/<(?![a-z\/?\$!])/gi,"&lt;");
+    // Encode naked <'s
+    text = text.replace(/<(?![a-z\/?\$!])/gi,"&lt;");
 
-	return text;
+    return text;
 }
 
 
 var _EncodeBackslashEscapes = function(text) {
 //
 //   Parameter:  String.
-//   Returns:	The string, with after processing the following backslash
-//			   escape sequences.
+//   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.
+    // 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;
+    text = text.replace(/\\(\\)/g,escapeCharacters_callback);
+    text = text.replace(/\\([`*_{}\[\]()>#+-.!])/g,escapeCharacters_callback);
+    return text;
 }
 
 
@@ -1317,32 +1317,32 @@ var _handleTrailingParens = function(wholeMatch, lookbehind, protocol, link) {
 
 var _DoAutoLinks = function(text) {
 
-	// text = text.replace(/<((https?|ftp|dict):[^'">\s]+)>/gi,"<a href=\"$1\">$1</a>");
+    // text = text.replace(/<((https?|ftp|dict):[^'">\s]+)>/gi,"<a href=\"$1\">$1</a>");
     text = text.replace(/(="|<)?\b(https?|ftp)(:\/\/[-A-Z0-9+&@#\/%?=~_|\[\]\(\)!:,\.;]*[-A-Z0-9+&@#\/%=~_|\[\])])(?=$|\W)/gi, _handleTrailingParens);
     var replacer = function (wholematch, m1) { return "<a href=\"" + m1 + "\">" + m1 + "</a>"; }
     text = text.replace(/<((https?|ftp):[^'">\s]+)>/gi, replacer);
 
-	// Email addresses: <address@domain.foo>
+    // Email addresses: <address@domain.foo>
 
-	/*
-		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) );
-		}
-	);
+    /*
+        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;
+    return text;
 }
 
 
@@ -1351,46 +1351,46 @@ 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.:
+//  of the address encoded as either a decimal or hex entity, in
+//  the hopes of foiling most address harvesting spam bots. E.g.:
 //
-//	<a href="&#x6D;&#97;&#105;&#108;&#x74;&#111;:&#102;&#111;&#111;&#64;&#101;
-//	   x&#x61;&#109;&#x70;&#108;&#x65;&#x2E;&#99;&#111;&#109;">&#102;&#111;&#111;
-//	   &#64;&#101;x&#x61;&#109;&#x70;&#108;&#x65;&#x2E;&#99;&#111;&#109;</a>
+//  <a href="&#x6D;&#97;&#105;&#108;&#x74;&#111;:&#102;&#111;&#111;&#64;&#101;
+//     x&#x61;&#109;&#x70;&#108;&#x65;&#x2E;&#99;&#111;&#109;">&#102;&#111;&#111;
+//     &#64;&#101;x&#x61;&#109;&#x70;&#108;&#x65;&#x2E;&#99;&#111;&#109;</a>
 //
 //  Based on a filter by Matthew Wickline, posted to the BBEdit-Talk
 //  mailing list: <http://tinyurl.com/yu7ue>
 //
 
-	var encode = [
-		function(ch){return "&#"+ch.charCodeAt(0)+";";},
-		function(ch){return "&#x"+ch.charCodeAt(0).toString(16)+";";},
-		function(ch){return ch;}
-	];
+    var encode = [
+        function(ch){return "&#"+ch.charCodeAt(0)+";";},
+        function(ch){return "&#x"+ch.charCodeAt(0).toString(16)+";";},
+        function(ch){return ch;}
+    ];
 
-	addr = "mailto:" + addr;
+    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.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 = "<a href=\"" + addr + "\">" + addr + "</a>";
-	addr = addr.replace(/">.+:/g,"\">"); // strip the mailto: from the visible part
+    addr = "<a href=\"" + addr + "\">" + addr + "</a>";
+    addr = addr.replace(/">.+:/g,"\">"); // strip the mailto: from the visible part
 
-	return addr;
+    return addr;
 }
 
 
@@ -1398,13 +1398,13 @@ 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;
+    text = text.replace(/~E(\d+)E/g,
+        function(wholeMatch,m1) {
+            var charCodeToReplace = parseInt(m1);
+            return String.fromCharCode(charCodeToReplace);
+        }
+    );
+    return text;
 }
 
 
@@ -1413,15 +1413,15 @@ 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"
+    // attacklab: hack around Konqueror 3.5.4 bug:
+    // "----------bug".replace(/^-/g,"") == "bug"
 
-	text = text.replace(/^(\t|[ ]{1,4})/gm,"~0"); // attacklab: g_tab_width
+    text = text.replace(/^(\t|[ ]{1,4})/gm,"~0"); // attacklab: g_tab_width
 
-	// attacklab: clean up hack
-	text = text.replace(/~0/g,"")
+    // attacklab: clean up hack
+    text = text.replace(/~0/g,"")
 
-	return text;
+    return text;
 }
 
 var _Detab = function(text) {
@@ -1429,30 +1429,30 @@ var _Detab = function(text) {
 // 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
+    // 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");
+    // 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
+    // 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<numSpaces; i++) leadingText+=" ";
+            // there *must* be a better way to do this:
+            for (var i=0; i<numSpaces; i++) leadingText+=" ";
 
-			return leadingText;
-		}
-	);
+            return leadingText;
+        }
+    );
 
-	// clean up sentinels
-	text = text.replace(/~A/g,"    ");  // attacklab: g_tab_width
-	text = text.replace(/~B/g,"");
+    // clean up sentinels
+    text = text.replace(/~A/g,"    ");  // attacklab: g_tab_width
+    text = text.replace(/~B/g,"");
 
-	return text;
+    return text;
 }
 
 
@@ -1462,24 +1462,24 @@ var _Detab = function(text) {
 
 
 var escapeCharacters = function(text, charsToEscape, afterBackslash) {
-	// First we have to escape the escape characters so that
-	// we can build a character class out of them
-	var regexString = "([" + charsToEscape.replace(/([\[\]\\])/g,"\\$1") + "])";
+    // First we have to escape the escape characters so that
+    // we can build a character class out of them
+    var regexString = "([" + charsToEscape.replace(/([\[\]\\])/g,"\\$1") + "])";
 
-	if (afterBackslash) {
-		regexString = "\\\\" + regexString;
-	}
+    if (afterBackslash) {
+        regexString = "\\\\" + regexString;
+    }
 
-	var regex = new RegExp(regexString,"g");
-	text = text.replace(regex,escapeCharacters_callback);
+    var regex = new RegExp(regexString,"g");
+    text = text.replace(regex,escapeCharacters_callback);
 
-	return text;
+    return text;
 }
 
 
 var escapeCharacters_callback = function(wholeMatch,m1) {
-	var charCodeToEscape = m1.charCodeAt(0);
-	return "~E"+charCodeToEscape+"E";
+    var charCodeToEscape = m1.charCodeAt(0);
+    return "~E"+charCodeToEscape+"E";
 }
 
 } // end of Showdown.converter
@@ -3565,6 +3565,58 @@ else
             refreshState();
         };
 
+        // fullscreen
+        this.fullscreen = function () {
+            var nativeFsWebkit = document.body.webkitRequestFullScreen ? true : false;
+            var nativeFsMoz = document.body.mozRequestFullScreen ? true : false;
+            var nativeFsW3C = document.body.requestFullscreen ? true : false;
+            var nativeFs = nativeFsWebkit || nativeFsMoz || nativeFsW3C;
+            var input = panels.input, preview = panels.preview, buttonBar = panels.buttonBar, parent = buttonBar.parentNode;
+            parent.style.display = 'none';
+            var isFullScreen = parent.getAttribute('isFullScreen');
+            if (isFullScreen != 'true') {
+                parent.setAttribute('isFullScreen', true);
+                var windowHeight;
+                if (nativeFs) {
+                    if (nativeFsWebkit) {
+                        parent.webkitRequestFullScreen(Element.ALLOW_KEYBOARD_INPUT);
+                    }
+                    else if (nativeFsMoz) {
+                        parent.mozRequestFullScreen();
+                    }
+                    else if (nativeFsW3C) {
+                        parent.requestFullscreen();
+                    }
+                }
+
+                windowHeight = window.screen.height - 32;
+
+                input.style.cssText = "width:50%;background-color:#000000;color:#ffffff;position:absolute;z-index:999;top:32px;left:0;box-sizing: border-box;";
+                input.style.height = windowHeight + 'px';
+                buttonBar.style.cssText = "width:100%;background-color:#ffffff;position:absolute;z-index:1000;top:0;left:0";
+                preview.style.cssText = "width:50%;background-color:#ffffff;position:absolute;z-index:999;top:32px;right:0;box-sizing: border-box;overflow: auto;";
+                preview.style.height = windowHeight + 'px';
+
+            } else {
+                parent.setAttribute('isFullScreen', false);
+                if (nativeFs) {
+                    if (nativeFsWebkit) {
+                        document.webkitCancelFullScreen();
+                    }
+                    else if (nativeFsMoz) {
+                        document.mozCancelFullScreen();
+                    }
+                    else if (nativeFsW3C) {
+                        document.exitFullscreen();
+                    }
+                }
+                input.style.cssText = 'height:350px;';
+                preview.style.cssText = '';
+                buttonBar.style.cssText = '';
+            }
+            parent.style.display = '';
+        };
+
         // Push the input area state to the stack.
         var saveState = function () {
             var currState = inputStateObj || new TextareaState(panels);
@@ -4545,6 +4597,11 @@ else
             buttons.redo = makeButton("wmd-redo-button", redoTitle, "-220px", null);
             buttons.redo.execute = function (manager) { if (manager) manager.redo(); };
 
+            buttons.fullscreen = makeButton("wmd-fullscreen-button", getString("fullscreen"), "-220px", null);
+            buttons.fullscreen.execute = function (manager) {
+                if (manager) manager.fullscreen();
+            };
+
             if (helpOptions) {
                 var helpButton = document.createElement("li");
                 var helpButtonImage = document.createElement("span");