From a198eac988f5bd84fc6545091e96470b887b690b Mon Sep 17 00:00:00 2001
From: Sergey Biryukov <sergeybiryukov@git.wordpress.org>
Date: Wed, 10 Apr 2013 16:29:00 +0000
Subject: [PATCH] Remove \s from regex in pingback_ping() to avoid UTF-8
 issues. props tenpura. fixes #24001.

git-svn-id: https://develop.svn.wordpress.org/trunk@23952 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/class-wp-xmlrpc-server.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wp-includes/class-wp-xmlrpc-server.php b/wp-includes/class-wp-xmlrpc-server.php
index a651cbea77..20c495c182 100644
--- a/wp-includes/class-wp-xmlrpc-server.php
+++ b/wp-includes/class-wp-xmlrpc-server.php
@@ -5394,7 +5394,7 @@ class wp_xmlrpc_server extends IXR_Server {
 
 		// Work around bug in strip_tags():
 		$linea = str_replace('<!DOC', '<DOC', $linea);
-		$linea = preg_replace( '/[\s\r\n\t]+/', ' ', $linea ); // normalize spaces
+		$linea = preg_replace( '/[\r\n\t ]+/', ' ', $linea ); // normalize spaces
 		$linea = preg_replace( "/<\/*(h1|h2|h3|h4|h5|h6|p|th|td|li|dt|dd|pre|caption|input|textarea|button|body)[^>]*>/", "\n\n", $linea );
 
 		preg_match('|<title>([^<]*?)</title>|is', $linea, $matchtitle);