From c58565d09f350734c9a1a47f8ad3d5473959f0dc Mon Sep 17 00:00:00 2001
From: Jens Maier <jens@elberet.de>
Date: Tue, 26 Aug 2014 14:11:23 +0200
Subject: [PATCH] Fix: dialect block parser should not eat next block's
 whitespace

---
 app/assets/javascripts/discourse/dialects/dialect.js | 2 +-
 test/javascripts/lib/markdown-test.js.es6            | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/app/assets/javascripts/discourse/dialects/dialect.js b/app/assets/javascripts/discourse/dialects/dialect.js
index 749b289fce..07ebc7947d 100644
--- a/app/assets/javascripts/discourse/dialects/dialect.js
+++ b/app/assets/javascripts/discourse/dialects/dialect.js
@@ -462,7 +462,7 @@ Discourse.Dialect = {
           before = currentBlock.slice(0, actualEndPos).replace(/\n*$/, ""),
           after = currentBlock.slice(actualEndPos + stopLen).replace(/^\n*/, "");
       if (before.length > 0) contentBlocks.push(MD.mk_block(before, "", currentBlock.lineNumber));
-      if (after.length > 0) next.unshift(MD.mk_block(after, "", currentBlock.lineNumber + countLines(before)));
+      if (after.length > 0) next.unshift(MD.mk_block(after, currentBlock.trailing, currentBlock.lineNumber + countLines(before)));
 
       var emitterResult = args.emitter.call(this, contentBlocks, match, dialect.options);
       if (emitterResult) { result.push(emitterResult); }
diff --git a/test/javascripts/lib/markdown-test.js.es6 b/test/javascripts/lib/markdown-test.js.es6
index 981d4ecebb..067930e7dd 100644
--- a/test/javascripts/lib/markdown-test.js.es6
+++ b/test/javascripts/lib/markdown-test.js.es6
@@ -371,6 +371,10 @@ test("Code Blocks", function() {
   cooked("``` foo bar ```",
          "<p><code>foo bar</code></p>",
          "it tolerates misuse of code block tags as inline code");
+
+  cooked("```\nline1\n```\n```\nline2\n\nline3\n```",
+         "<p><pre><code class=\"lang-auto\">line1</code></pre></p>\n\n<p><pre><code class=\"lang-auto\">line2\n\nline3</code></pre></p>",
+         "it does not consume next block's trailing newlines");
 });
 
 test("sanitize", function() {