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fix "show changes" edit button breakage from r18194
author
Ilmari Karonen
<vyznev@users.mediawiki.org>
Wed, 6 Dec 2006 08:46:22 +0000
(08:46 +0000)
committer
Ilmari Karonen
<vyznev@users.mediawiki.org>
Wed, 6 Dec 2006 08:46:22 +0000
(08:46 +0000)
includes/DifferenceEngine.php
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diff --git
a/includes/DifferenceEngine.php
b/includes/DifferenceEngine.php
index
4dbe8b4
..
8f093ba
100644
(file)
--- a/
includes/DifferenceEngine.php
+++ b/
includes/DifferenceEngine.php
@@
-437,6
+437,9
@@
CONTROL;
* If there are revisions between the ones being compared, return a note saying so.
*/
function getMultiNotice() {
+ if ( !is_object($this->mOldRev) || !is_object($this->mNewRev) )
+ return '';
+
$oldid = $this->mOldRev->getId();
$newid = $this->mNewRev->getId();
if ( $oldid > $newid ) {