Index: openacs-4/packages/general-comments/www/url-add.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/general-comments/www/url-add.tcl,v
diff -u -r1.4.20.2 -r1.4.20.3
--- openacs-4/packages/general-comments/www/url-add.tcl	6 Sep 2013 17:37:19 -0000	1.4.20.2
+++ openacs-4/packages/general-comments/www/url-add.tcl	5 Aug 2014 09:29:52 -0000	1.4.20.3
@@ -10,7 +10,7 @@
     @creation-date 2000-10-12
     @cvs-id $Id$
 } {
-    parent_id:notnull,integer
+    parent_id:notnull,naturalnum
     { return_url {} }
 } -properties {
     page_title:onevalue