Index: openacs-4/packages/categories/www/cadmin/category-usage.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/categories/www/cadmin/category-usage.tcl,v
diff -u -r1.7 -r1.8
--- openacs-4/packages/categories/www/cadmin/category-usage.tcl	27 Oct 2014 16:41:12 -0000	1.7
+++ openacs-4/packages/categories/www/cadmin/category-usage.tcl	27 Jun 2015 19:24:24 -0000	1.8
@@ -10,7 +10,7 @@
     {locale ""}
     object_id:naturalnum,optional
     {page:integer,optional 1}
-    {orderby:optional object_name}
+    {orderby:token,optional object_name}
 } -properties {
     page_title:onevalue
     context_bar:onevalue