From fee10481f0a353dd786fc63c56e53b8b4641bb3a Mon Sep 17 00:00:00 2001
From: Brion Vibber <brion@users.mediawiki.org>
Date: Fri, 24 Dec 2004 05:22:12 +0000
Subject: [PATCH] * (bug 1178) Fix previous diff link when using 'oldid=0'
 Forward port fix from REL1_4

---
 includes/DifferenceEngine.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/includes/DifferenceEngine.php b/includes/DifferenceEngine.php
index 3af5767f30..758a6e0601 100644
--- a/includes/DifferenceEngine.php
+++ b/includes/DifferenceEngine.php
@@ -283,6 +283,7 @@ class DifferenceEngine {
 			$this->oldRev =& Revision::newFromId( $this->mOldid );
 		} else {
 			$this->oldRev =& $this->newRev->getPrevious();
+			$this->mOldid = $this->oldRev->getId();
 		}
 			
 		$this->mOldPage = $this->oldRev->getTitle();
-- 
2.20.1