From 61881b5111f0b28157d599fa85bf7a10e4f7e6bd Mon Sep 17 00:00:00 2001
From: ryan <ryan@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Mon, 14 Jan 2008 20:38:43 +0000
Subject: [PATCH] Allow parens in urls. Props nbachiyski. fixes #5668

git-svn-id: http://svn.automattic.com/wordpress/trunk@6613 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/formatting.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wp-includes/formatting.php b/wp-includes/formatting.php
index 4ddad797a..c76396f74 100644
--- a/wp-includes/formatting.php
+++ b/wp-includes/formatting.php
@@ -1111,7 +1111,7 @@ function clean_url( $url, $protocols = null, $context = 'display' ) {
 	$original_url = $url;
 
 	if ('' == $url) return $url;
-	$url = preg_replace('|[^a-z0-9-~+_.?#=!&;,/:%@]|i', '', $url);
+	$url = preg_replace('|[^a-z0-9-~+_.?#=!&;,/:%@()]|i', '', $url); 
 	$strip = array('%0d', '%0a');
 	$url = str_replace($strip, '', $url);
 	$url = str_replace(';//', '://', $url);