Index: branches/version-2_5-dev/data/class/SC_Initial.php
===================================================================
--- branches/version-2_5-dev/data/class/SC_Initial.php	(revision 19825)
+++ branches/version-2_5-dev/data/class/SC_Initial.php	(revision 19850)
@@ -57,5 +57,5 @@
         $this->defineErrorType();
         $this->defineConstants();
-        $this->mbstringInit();
+        $this->phpconfigInit();
         $this->createCacheDir();
         $this->stripslashesDeepGpc();
@@ -133,5 +133,5 @@
      * @return void
      */
-    function mbstringInit() {
+    function phpconfigInit() {
         ini_set("mbstring.http_input", CHAR_CODE);
         ini_set("mbstring.http_output", CHAR_CODE);
@@ -150,4 +150,6 @@
         // TODO .htaccess の mbstring.internal_encoding を削除できないか検討
 
+        ini_set("arg_separator.output","&");
+        
         //ロケールを明示的に設定
         setlocale(LC_ALL, LOCALE);