Ticket #3328: ampamp.diff

wp-includes/formatting.php

@@ -109 +109 @@
 
 function wp_specialchars( $text, $quotes = 0 ) {
         // Like htmlspecialchars except don't double-encode HTML entities
-        $text = preg_replace('/&([^#])(?![a-z1-4]{1,8};)/', '&$1', $text);
+        $text = str_replace('&&', '&&', $text);
+        $text = str_replace('&&', '&&', $text);
+        $text = preg_replace('/&(?:$|([^#])(?![a-z1-4]{1,8};))/', '&$1', $text);
         $text = str_replace('<', '&lt;', $text);
         $text = str_replace('>', '&gt;', $text);
         if ( 'double' === $quotes ) {