From b81a0b424056e40bafe28e2af42d7993e47c833d Mon Sep 17 00:00:00 2001
From: Robin Pepermans <robin@users.mediawiki.org>
Date: Thu, 1 Dec 2011 20:23:04 +0000
Subject: [PATCH] (bug 32075) Always add lowercase interwikis. Patch by Vitaliy
 Filippov.

---
 Interwiki_body.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Interwiki_body.php b/Interwiki_body.php
index 5f5bdac9..80de2194 100644
--- a/Interwiki_body.php
+++ b/Interwiki_body.php
@@ -167,6 +167,8 @@ class SpecialInterwiki extends SpecialPage {
 	}
 
 	function doSubmit() {
+		global $wgContLang;
+
 		$request = $this->getRequest();
 		$prefix = $request->getVal( 'wpInterwikiPrefix' );
 		$do = $request->getVal( 'wpInterwikiAction' );
@@ -192,8 +194,9 @@ class SpecialInterwiki extends SpecialPage {
 				$log->addEntry( 'iw_delete', $selfTitle, $reason, array( $prefix ) );
 			}
 			break;
-		case 'edit':
 		case 'add':
+			$prefix = $wgContLang->lc( $prefix );
+		case 'edit':
 			$theurl = $request->getVal( 'wpInterwikiURL' );
 			$local = $request->getCheck( 'wpInterwikiLocal' ) ? 1 : 0;
 			$trans = $request->getCheck( 'wpInterwikiTrans' ) ? 1 : 0;