Fix gollum style code blocks.

lib/gollum/frontend/public/gollum/livepreview/js/pagedown/Markdown.Converter.js

@@ -175,6 +175,9 @@ else
             // Strip link definitions, store in hashes.
             text = _StripLinkDefinitions(text);
 
+            // Process gollum style code highlighting.
+            text = _DoCodeSpansGollum(text);
+
             text = _RunBlockGamut(text);
 
             text = _UnescapeSpecialChars(text);
@@ -1030,7 +1033,7 @@ else
                     c = c.replace(/[ \t]*$/gm, ""); // trailing whitespace
                     c = _EncodeCode(c);
                     c = c.replace(/:\/\//gm, "~P"); // to prevent auto-linking. Not necessary in code *blocks*, but in code spans. Will be converted back after the auto-linker runs.
-                    return m1 + "<pre>`" + c + "</pre>";
+                    return m1 + hashBlock("<pre>`" + c + "</pre>");
                 }
             );
 
@@ -1146,8 +1149,6 @@ else
             // Wrap <p> tags.
             //
             var end = grafs.length;
-            var extendedString = "";
-            var isExtended = false;
             for (var i = 0; i < end; i++) {
                 var str = grafs[i];
 
@@ -1156,28 +1157,6 @@ else
                     grafsOut.push(str);
                 }
                 else if (/\S/.test(str)) {
-                    // Detect start of gollum code.
-                    if (str.substring(0,3) === "```") {
-                      isExtended = true;
-                    }
-
-                    if (isExtended === true) {
-                      // Detect end of gollum code.
-                      var strLength = str.length;
-                      if (str.substring(strLength-3, strLength) === "```") {
-                        str = extendedString + str;
-                        str = _DoCodeSpansGollum(str);
-                        grafsOut.push(str);
-
-                        isExtended = false;
-                        extendedString = "";
-                        continue;
-                      }
-
-                      extendedString += str + "\n\n";
-                      continue;
-                    }
-
                     str = _RunSpanGamut(str);
                     str = str.replace(/^([ \t]*)/g, "<p>");
                     str += "</p>"