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 -r1.5.4.2 -r1.5.4.3
--- openacs-4/packages/categories/www/cadmin/category-link-delete-2.tcl	29 Jul 2014 11:37:29 -0000	1.5.4.2
+++ openacs-4/packages/categories/www/cadmin/category-link-delete-2.tcl	5 Aug 2014 13:23:45 -0000	1.5.4.3
@@ -6,8 +6,8 @@
     @cvs-id $Id:
 } {
     link_id:naturalnum,multiple
-    category_id:integer
-    tree_id:integer
+    category_id:naturalnum,notnull
+    tree_id:naturalnum,notnull
     {locale ""}
     object_id:naturalnum,optional
     ctx_id:naturalnum,optional