From ecd274f432e4fbd3e10b5599fd336166a5372fae Mon Sep 17 00:00:00 2001
From: Daniel Friesen <dantman@users.mediawiki.org>
Date: Sun, 14 Aug 2011 14:20:59 +0000
Subject: [PATCH] Followup r94353; Use !== null since that's what we use in
 core.

---
 includes/interwiki/Interwiki.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/includes/interwiki/Interwiki.php b/includes/interwiki/Interwiki.php
index 711fea4969..d1592c0bf0 100644
--- a/includes/interwiki/Interwiki.php
+++ b/includes/interwiki/Interwiki.php
@@ -321,7 +321,7 @@ class Interwiki {
 	 */
 	public function getURL( $title = null ) {
 		$url = $this->mURL;
-		if( isset($title) ) {
+		if( $title !== null ) {
 			$url = str_replace( "$1", wfUrlencode( $title ), $url );
 		}
 		return $url;
-- 
2.20.1