fix(subParsers/headers); fix bug introduced with noHeaderId option

src/subParsers/headers.js

@@ -13,14 +13,14 @@ showdown.subParser('headers', function (text, options, globals) {
   text = text.replace(/^(.+)[ \t]*\n=+[ \t]*\n+/gm, function (wholeMatch, m1) {
 
     var spanGamut = showdown.subParser('spanGamut')(m1, options, globals),
-        hID = (options.noHeaderId) ? '' : 'id="' + headerId(m1) + '"',
+        hID = (options.noHeaderId) ? '' : ' id="' + headerId(m1) + '"',
         hashBlock = '<h1' + hID + '>' + spanGamut + '</h1>';
     return showdown.subParser('hashBlock')(hashBlock, options, globals);
   });
 
   text = text.replace(/^(.+)[ \t]*\n-+[ \t]*\n+/gm, function (matchFound, m1) {
     var spanGamut = showdown.subParser('spanGamut')(m1, options, globals),
-        hID = (options.noHeaderId) ? '' : 'id="' + headerId(m1) + '"',
+        hID = (options.noHeaderId) ? '' : ' id="' + headerId(m1) + '"',
         hashBlock = '<h2' + hID + '>' + spanGamut + '</h2>';
     return showdown.subParser('hashBlock')(hashBlock, options, globals);
   });
@@ -44,9 +44,9 @@ showdown.subParser('headers', function (text, options, globals) {
    /gm, function() {...});
    */
 
-  text = text.replace(/^(\#{1,6})[ \t]*(.+?)[ \t]*\#*\n+/gm, function (wholeMatch, m1, m2) {
+  text = text.replace(/^(#{1,6})[ \t]*(.+?)[ \t]*#*\n+/gm, function (wholeMatch, m1, m2) {
     var span = showdown.subParser('spanGamut')(m2, options, globals),
-        hID = (options.noHeaderId) ? '' : 'id="' + headerId(m1) + '"',
+        hID = (options.noHeaderId) ? '' : ' id="' + headerId(m2) + '"',
         header = '<h' + m1.length + hID + '>' + span + '</h' + m1.length + '>';
 
     return showdown.subParser('hashBlock')(header, options, globals);