Index: openacs-4/packages/categories/www/cadmin/category-link-delete-2.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/categories/www/cadmin/category-link-delete-2.tcl,v
diff -u -r1.5 -r1.6
--- openacs-4/packages/categories/www/cadmin/category-link-delete-2.tcl	6 Nov 2008 15:50:44 -0000	1.5
+++ openacs-4/packages/categories/www/cadmin/category-link-delete-2.tcl	27 Oct 2014 16:41:12 -0000	1.6
@@ -5,12 +5,12 @@
     @author Timo Hentschel (timo@timohentschel.de)
     @cvs-id $Id:
 } {
-    link_id:integer,multiple
-    category_id:integer
-    tree_id:integer
+    link_id:naturalnum,multiple
+    category_id:naturalnum,notnull
+    tree_id:naturalnum,notnull
     {locale ""}
-    object_id:integer,optional
-    ctx_id:integer,optional
+    object_id:naturalnum,optional
+    ctx_id:naturalnum,optional
 }
 
 set user_id [auth::require_login]