Index: openacs-4/packages/notifications/tcl/notification-procs.xql
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/notifications/tcl/notification-procs.xql,v
diff -u -r1.7 -r1.7.4.1
--- openacs-4/packages/notifications/tcl/notification-procs.xql	25 Feb 2003 10:07:13 -0000	1.7
+++ openacs-4/packages/notifications/tcl/notification-procs.xql	10 Sep 2004 19:14:06 -0000	1.7.4.1
@@ -24,6 +24,7 @@
                    interval_id,
                    n_seconds
             from notification_intervals
+            where n_seconds>=0
             order by n_seconds
         </querytext>
     </fullquery>