From 01d2ee56718f1ee2b64b85db29b172b7ba214a48 Mon Sep 17 00:00:00 2001
From: Tim Starling <tstarling@users.mediawiki.org>
Date: Tue, 24 Feb 2004 00:09:03 +0000
Subject: [PATCH] rejecting "." and ".." -- conflict with directories when
 rewrite rules are used

---
 includes/Title.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/includes/Title.php b/includes/Title.php
index 926cc281f9..fc846b98eb 100644
--- a/includes/Title.php
+++ b/includes/Title.php
@@ -480,6 +480,11 @@ class Title {
 		if( preg_match( $rxTc, $r ) ) {
 			return false;
 		}
+		
+		# "." and ".." conflict with the directories of those names
+		if ( $r === "." || $r === ".." ) {
+			return false;
+		}
 
 		if( $this->mInterwiki == "") $t = $wgLang->ucfirst( $r );
 		$this->mDbkeyform = $t;
-- 
2.20.1