From 89f16d188774509a08278855880ca67619878bd6 Mon Sep 17 00:00:00 2001
From: Andrew Nacin <nacin@git.wordpress.org>
Date: Tue, 25 Mar 2014 12:52:48 +0000
Subject: [PATCH] Allow XML attributes with colons to be read by kses.

The attribute would still need to be whitelisted to get through the filters.

props jorbin.
fixes #17847.


git-svn-id: https://develop.svn.wordpress.org/trunk@27707 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-includes/kses.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/wp-includes/kses.php b/src/wp-includes/kses.php
index 45ee6f61b6..103e2e42a2 100644
--- a/src/wp-includes/kses.php
+++ b/src/wp-includes/kses.php
@@ -763,10 +763,10 @@ function wp_kses_hair($attr, $allowed_protocols) {
 		switch ($mode) {
 			case 0 : # attribute name, href for instance
 
-				if (preg_match('/^([-a-zA-Z]+)/', $attr, $match)) {
+				if ( preg_match('/^([-a-zA-Z:]+)/', $attr, $match ) ) {
 					$attrname = $match[1];
 					$working = $mode = 1;
-					$attr = preg_replace('/^[-a-zA-Z]+/', '', $attr);
+					$attr = preg_replace( '/^[-a-zA-Z:]+/', '', $attr );
 				}
 
 				break;