Index: openacs-4/packages/download/www/index.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/download/www/index.tcl,v
diff -u -r1.14 -r1.15
--- openacs-4/packages/download/www/index.tcl	11 Oct 2013 10:39:37 -0000	1.14
+++ openacs-4/packages/download/www/index.tcl	31 Jul 2014 09:02:56 -0000	1.15
@@ -5,10 +5,10 @@
      @creation-date Mon Dec 11 18:28:29 2000
      @cvs-id $Id$
 } {
-    {archive_type_id ""}
+    {archive_type_id:naturalnum,optional ""}
     {orderby "archive_name,desc"}
     {query_string ""}
-	{updated ""}
+    {updated ""}
 } -properties {
     title:onevalue
     description:onevalue