--- Namespace.php.orig	2013-05-20 15:15:09.315229075 +0000
+++ Namespace.php	2013-05-20 15:15:29.987229307 +0000
@@ -37,7 +37,7 @@
 	 * forevermore. Historically, they could've probably been lowercased too,
 	 * but some things are just too ingrained now. :)
 	 */
-	private static $alwaysCapitalizedNamespaces = array( NS_SPECIAL, NS_USER, NS_MEDIAWIKI );
+	private static $alwaysCapitalizedNamespaces = array( NS_SPECIAL, NS_MEDIAWIKI );

 	/**
 	 * Throw an exception when trying to get the subject or talk page
--- User.php.orig	2013-05-20 14:50:36.915229198 +0000
+++ User.php	2013-05-20 15:15:59.439228833 +0000
@@ -559,10 +559,9 @@
 		if ( $name == ''
 		|| User::isIP( $name )
 		|| strpos( $name, '/' ) !== false
-		|| strlen( $name ) > $wgMaxNameChars
-		|| $name != $wgContLang->ucfirst( $name ) ) {
+		|| strlen( $name ) > $wgMaxNameChars ) {
 			wfDebugLog( 'username', __METHOD__ .
-				": '$name' invalid due to empty, IP, slash, length, or lowercase" );
+				": '$name' invalid due to empty, IP, slash, or length" );
 			return false;
 		}

@@ -765,10 +764,6 @@
 	 * @return bool|string
 	 */
 	public static function getCanonicalName( $name, $validate = 'valid' ) {
-		# Force usernames to capital
-		global $wgContLang;
-		$name = $wgContLang->ucfirst( $name );
-
 		# Reject names containing '#'; these will be cleaned up
 		# with title normalisation, but then it's too late to
 		# check elsewhere