--- category.rb.orig	2009-05-08 18:46:29.000000000 +0900
+++ category.rb	2009-06-13 14:42:57.000000000 +0900
@@ -236,7 +236,7 @@ class Info
 		@cgi = cgi
 		@years = years
 		@conf = conf
-		@category = args[:category] || @cgi.params['category']
+		@category = args[:category] || @cgi.params['category'].map {|c| @conf.to_native(c) }
 		@year = args[:year] || @cgi.params['year'][0]
 		@month = args[:month] || @cgi.params['month'][0]
 		@mode = :all