From dd724a817b1f0360d470030a0d502ace15387ffa Mon Sep 17 00:00:00 2001
From: Aaron Schulz <aaron@users.mediawiki.org>
Date: Mon, 31 Mar 2008 18:01:39 +0000
Subject: [PATCH] Return '' to avoid vague cryptic error message when a user
 lacks permissions

---
 includes/DifferenceEngine.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/includes/DifferenceEngine.php b/includes/DifferenceEngine.php
index 0671fa0057..ee870225bd 100644
--- a/includes/DifferenceEngine.php
+++ b/includes/DifferenceEngine.php
@@ -426,9 +426,9 @@ CONTROL;
 		wfProfileIn( $fname );
 		// Check if the diff should be hidden from this user
 		if ( $this->mOldRev && !$this->mOldRev->userCan(Revision::DELETED_TEXT) ) {
-		  	return false;
+		  	return '';
 		} else if ( $this->mNewRev && !$this->mNewRev->userCan(Revision::DELETED_TEXT) ) {
-		  	return false;
+		  	return '';
 		}
 		// Cacheable?
 		$key = false;
-- 
2.20.1