Ticket #2978: remove_accents-faster.diff

wp-includes/formatting.php

@@ -149 +149 @@
 }
 
 function remove_accents($string) {
+        if ( !preg_match('/[\x80-\xff]/', $string) )
+                return $string;
+
         if (seems_utf8($string)) {
                 $chars = array(
                 // Decompositions for Latin-1 Supplement