From 0a6ae52f7430e50a9680c9a927d460c63395087c Mon Sep 17 00:00:00 2001
From: Michael Hamann <michael@content-space.de>
Date: Sat, 28 Jul 2012 11:14:09 +0200
Subject: Initialize more variables and test if others are set (no functional
 changes)

---
 inc/parserutils.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'inc')

diff --git a/inc/parserutils.php b/inc/parserutils.php
index 107c42eb0..20f992ba2 100644
--- a/inc/parserutils.php
+++ b/inc/parserutils.php
@@ -103,6 +103,7 @@ function p_wiki_xhtml($id, $rev='', $excuse=true){
 function p_wiki_xhtml_summary($id, &$title, $rev='', $excuse=true){
     $file = wikiFN($id,$rev);
     $ret  = '';
+    $ins  = null;
 
     //ensure $id is in global $ID (needed for parsing)
     global $ID;
@@ -712,7 +713,7 @@ function & p_get_renderer($mode) {
             $Renderer =& $plugin_controller->load('renderer',$rname);
         }
 
-        if(is_null($Renderer)){
+        if(!isset($Renderer) || is_null($Renderer)){
             msg("No renderer '$rname' found for mode '$mode'",-1);
             return null;
         }
-- 
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