From 6c3cb9023c6cc6b97aae5935f3df2aeaee3a5166 Mon Sep 17 00:00:00 2001
From: Robin Ward <robin.ward@gmail.com>
Date: Mon, 26 Aug 2013 16:53:10 -0400
Subject: [PATCH] FIX: Allow backticks in code blocks

---
 .../discourse/dialects/github_code_dialect.js      | 14 ++++++++------
 test/javascripts/components/markdown_test.js       |  4 ++++
 2 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/app/assets/javascripts/discourse/dialects/github_code_dialect.js b/app/assets/javascripts/discourse/dialects/github_code_dialect.js
index c83d21d68ed..2c82cd65dcd 100644
--- a/app/assets/javascripts/discourse/dialects/github_code_dialect.js
+++ b/app/assets/javascripts/discourse/dialects/github_code_dialect.js
@@ -49,26 +49,28 @@ Discourse.Dialect.on("register", function(event) {
             blockLine = b.lineNumber,
             diff = ((typeof blockLine === "undefined") ? lineNumber : blockLine) - lineNumber;
 
-        b = b.replace(/ {2}\n/g, "\n");
-        var n = b.match(/([^`]*)```([^`]*)/m);
+        var endFound = b.indexOf('```'),
+            leadingCode = b.slice(0, endFound),
+            trailingCode = b.slice(endFound+3);
 
         for (var i=1; i<diff; i++) {
           codeContents.push("");
         }
         lineNumber = blockLine + b.split("\n").length - 1;
 
-        if (n) {
-          if (n[2]) {
-            next.unshift(MD.mk_block(n[2]));
+        if (endFound !== -1) {
+          if (trailingCode) {
+            next.unshift(MD.mk_block(trailingCode));
           }
 
-          codeContents.push(n[1].replace(/\s+$/, ""));
+          codeContents.push(leadingCode.replace(/\s+$/, ""));
           break;
         } else {
           codeContents.push(b);
         }
       }
 
+
       result.push(['p', ['pre', ['code', {'class': m[1] || 'lang-auto'}, codeContents.join("\n") ]]]);
       return result;
     }
diff --git a/test/javascripts/components/markdown_test.js b/test/javascripts/components/markdown_test.js
index eb9457e569b..f4714baee30 100644
--- a/test/javascripts/components/markdown_test.js
+++ b/test/javascripts/components/markdown_test.js
@@ -231,6 +231,10 @@ test("Code Blocks", function() {
   cooked("```ruby\ndef self.parse(text)\n\n  text\nend\n```",
          "<p><pre><code class=\"ruby\">def self.parse(text)\n\n  text\nend</code></pre></p>",
          "it allows leading spaces on lines in a code block.");
+
+  cooked("```ruby\nhello `eviltrout`\n```",
+         "<p><pre><code class=\"ruby\">hello &#x60;eviltrout&#x60;</code></pre></p>",
+         "it allows code with backticks in it");
 });
 
 test("SanitizeHTML", function() {