From b1fb0a2a070a6abc78564e56fdb4244076ac44ac Mon Sep 17 00:00:00 2001
From: TheDiveO <thediveo@users.noreply.github.com>
Date: Fri, 26 Sep 2014 22:33:47 +0200
Subject: [PATCH] fix for broken plugin tiddlers that do not contain a tiddlers
 field; avoids runtime errors upstream when accessing subtiddlers inside a
 (broken) tiddler and when using the plugintiddlers filter operator.

---
 core/modules/filters/plugintiddlers.js | 2 +-
 core/modules/wiki.js                   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/modules/filters/plugintiddlers.js b/core/modules/filters/plugintiddlers.js
index 9845e8ce8..abb20f8f9 100644
--- a/core/modules/filters/plugintiddlers.js
+++ b/core/modules/filters/plugintiddlers.js
@@ -19,7 +19,7 @@ exports.plugintiddlers = function(source,operator,options) {
 	var results = [];
 	source(function(tiddler,title) {
 		var pluginInfo = options.wiki.getPluginInfo(title) || options.wiki.getTiddlerData(title,{tiddlers:[]});
-		if(pluginInfo) {
+		if(pluginInfo && pluginInfo.tiddlers) {
 			$tw.utils.each(pluginInfo.tiddlers,function(fields,title) {
 				results.push(title);
 			});
diff --git a/core/modules/wiki.js b/core/modules/wiki.js
index 1f4bed260..e9df6b68c 100755
--- a/core/modules/wiki.js
+++ b/core/modules/wiki.js
@@ -570,7 +570,7 @@ exports.sortByList = function(array,listTitle) {
 
 exports.getSubTiddler = function(title,subTiddlerTitle) {
 	var bundleInfo = this.getPluginInfo(title) || this.getTiddlerData(title);
-	if(bundleInfo) {
+	if(bundleInfo && bundleInfo.tiddlers) {
 		var subTiddler = bundleInfo.tiddlers[subTiddlerTitle];
 		if(subTiddler) {
 			return new $tw.Tiddler(subTiddler);