From cdf3e101a832c7b419f1814f70c727fa9ee09bbd Mon Sep 17 00:00:00 2001
From: Jermolene <jeremy@osmosoft.com>
Date: Mon, 17 Mar 2014 20:55:08 +0000
Subject: [PATCH] Fix crash with headings

`this.match[1].length` can get overwritten when we parse the content of
the heading
---
 core/modules/parsers/wikiparser/rules/heading.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/modules/parsers/wikiparser/rules/heading.js b/core/modules/parsers/wikiparser/rules/heading.js
index 1423fcae2..de4e45c27 100644
--- a/core/modules/parsers/wikiparser/rules/heading.js
+++ b/core/modules/parsers/wikiparser/rules/heading.js
@@ -36,7 +36,7 @@ exports.parse = function() {
 	// Return the heading
 	return [{
 		type: "element",
-		tag: "h" + this.match[1].length, 
+		tag: "h" + headingLevel, 
 		attributes: {
 			"class": {type: "string", value: classes.join(" ")}
 		},