Index: openacs-4/packages/categories/www/cadmin/category-link-add.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/categories/www/cadmin/category-link-add.tcl,v
diff -u -N -r1.4.4.1 -r1.4.4.2
--- openacs-4/packages/categories/www/cadmin/category-link-add.tcl	29 Jul 2014 11:14:17 -0000	1.4.4.1
+++ openacs-4/packages/categories/www/cadmin/category-link-add.tcl	29 Jul 2014 11:24:01 -0000	1.4.4.2
@@ -5,8 +5,8 @@
     @author Timo Hentschel (timo@timohentschel.de)
     @cvs-id $Id:
 } {
-    category_id:integer,notnull
-    tree_id:integer,notnull
+    category_id:naturalnum,notnull
+    tree_id:naturalnum,notnull
     {locale ""}
     object_id:naturalnum,optional
     ctx_id:naturalnum,optional