From f25fcf537e1a3223cce417ba01dc63d79b80a6f7 Mon Sep 17 00:00:00 2001
From: Michael Hamann <michael@content-space.de>
Date: Wed, 9 Feb 2011 11:14:09 +0100
Subject: Make the regex for internal links more restrictive

This fixes a PCRE backtrack error that occurred on large pages like
:users on dokuwiki.org.
---
 inc/parser/parser.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'inc/parser/parser.php')

diff --git a/inc/parser/parser.php b/inc/parser/parser.php
index a7764ee9c..e47ce56fa 100644
--- a/inc/parser/parser.php
+++ b/inc/parser/parser.php
@@ -828,7 +828,7 @@ class Doku_Parser_Mode_internallink extends Doku_Parser_Mode {
 
     function connectTo($mode) {
         // Word boundaries?
-        $this->Lexer->addSpecialPattern("\[\[(?:(?:.*?\[.*?\])|.+?)\]\]",$mode,'internallink');
+        $this->Lexer->addSpecialPattern("\[\[(?:(?:[^[\]]*?\[.*?\])|.+?)\]\]",$mode,'internallink');
     }
 
     function getSort() {
-- 
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