Allow 0 - 9 in tag_escape(). Props sirzooro. fixes #18765

git-svn-id: http://svn.automattic.com/wordpress/trunk@18955 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2011-10-12 20:34:14 +00:00 · 2011-10-12 20:34:14 +00:00 · 91bc97be7b
parent c28bd6af03
commit 91bc97be7b
1 changed files with 1 additions and 1 deletions
--- a/wp-includes/formatting.php
+++ b/wp-includes/formatting.php
@ -2440,7 +2440,7 @@ function esc_textarea( $text ) {
 * @return string
 */
 function tag_escape($tag_name) {
-	$safe_tag = strtolower( preg_replace('/[^a-zA-Z_:]/', '', $tag_name) );
+	$safe_tag = strtolower( preg_replace('/[^a-zA-Z0-9_:]/', '', $tag_name) );
 	return apply_filters('tag_escape', $safe_tag, $tag_name);
 }