From c33b460549265bb28771db779050bab40e909ffa Mon Sep 17 00:00:00 2001
From: Brion Vibber <brion@users.mediawiki.org>
Date: Fri, 6 Jun 2003 19:10:22 +0000
Subject: [PATCH] Disallow / character in new usernames, as this conflicts with
 subpages (this was planned ages ago, but not finished)

---
 includes/SpecialUserlogin.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/includes/SpecialUserlogin.php b/includes/SpecialUserlogin.php
index 806ba7944f..e409e494b8 100644
--- a/includes/SpecialUserlogin.php
+++ b/includes/SpecialUserlogin.php
@@ -31,7 +31,8 @@ function wfSpecialUserlogin()
 	}
 	$wpName = trim( $wpName );
 	if ( ( "" == $wpName ) ||
-	  preg_match( "/^\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}$/", $wpName ) ) 
+	  preg_match( "/^\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}$/", $wpName ) ||
+	  (strpos( $wpName, "/" ) !== false) ) 
 {
 		mainLoginForm( wfMsg( "noname" ) );
 		return;
-- 
2.20.1