From a41d3753e7f3a14004c1fe1249a08b98c46edeec Mon Sep 17 00:00:00 2001
From: Jeremy Ruston <jeremy@osmosoft.com>
Date: Sat, 5 May 2012 14:16:19 +0100
Subject: [PATCH] Missing error check in serializeTiddler

---
 rabbithole/core/modules/wiki.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rabbithole/core/modules/wiki.js b/rabbithole/core/modules/wiki.js
index 446838792..18ad10f2f 100644
--- a/rabbithole/core/modules/wiki.js
+++ b/rabbithole/core/modules/wiki.js
@@ -121,7 +121,7 @@ exports.addTiddler = function(tiddler) {
 exports.serializeTiddler = function(title,type) {
 	var serializer = $tw.Wiki.tiddlerSerializerPlugins[type],
 		tiddler = this.getTiddler(title);
-	if(serializer) {
+	if(serializer && tiddler) {
 		return serializer.call(this,tiddler);
 	} else {
 		return null;