Colon is no longer rewritten to semicolon for IIS 7.x and for older versions...

Colon is no longer rewritten to semicolon for IIS 7.x and for older versions of IIS, semicolon is displayed as is, not URL-encoded.

inc/common.php

@@ -323,12 +323,14 @@ function idfilter($id,$ue=true){
     if ($conf['useslash'] && $conf['userewrite']){
         $id = strtr($id,':','/');
     }elseif (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN' &&
-            $conf['userewrite']) {
+            $conf['userewrite'] && 
+            strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS/7.') === false) {
         $id = strtr($id,':',';');
     }
     if($ue){
         $id = rawurlencode($id);
         $id = str_replace('%3A',':',$id); //keep as colon
+        $id = str_replace('%3B',';',$id); //keep as semicolon
         $id = str_replace('%2F','/',$id); //keep as slash
     }
     return $id;