--- ./w3m.el~	2010-09-22 16:54:54.000000000 +0900
+++ ./w3m.el	2010-10-04 20:18:50.000000000 +0900
@@ -306,10 +306,10 @@
   :type 'boolean)
 
 (defcustom w3m-language
-  (if (and (boundp 'current-language-environment)
+  (if (and (< emacs-major-version 23) (and (boundp 'current-language-environment)
 	   ;; In XEmacs 21.5 it may be the one like "Japanese (UTF-8)".
 	   (string-match "\\`Japanese"
-			 (symbol-value 'current-language-environment)))
+			 (symbol-value 'current-language-environment))))
       "Japanese")
   "*Your preferred language used in emacs-w3m sessions."
   :group 'w3m