- Patch #40209 by pascal and jvandyk: added missing semicolon to URL validation.

includes/common.inc

@@ -689,7 +689,7 @@ function valid_email_address($mail) {
  *   TRUE if the URL is in a valid format.
  */
 function valid_url($url, $absolute = FALSE) {
-  $allowed_characters = '[a-z0-9\/:_\-_\.\?\$,~=#&%\+]';
+  $allowed_characters = '[a-z0-9\/:_\-_\.\?\$,;~=#&%\+]';
   if ($absolute) {
     return preg_match("/^(http|https|ftp):\/\/". $allowed_characters ."+$/i", $url);
   }