Index: openacs-4/packages/calendar/www/cal-item-delete-confirm.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/calendar/www/cal-item-delete-confirm.tcl,v
diff -u -r1.11 -r1.11.4.1
--- openacs-4/packages/calendar/www/cal-item-delete-confirm.tcl	30 Aug 2008 19:51:23 -0000	1.11
+++ openacs-4/packages/calendar/www/cal-item-delete-confirm.tcl	5 Aug 2014 13:06:59 -0000	1.11.4.1
@@ -1,7 +1,7 @@
 #
 # A script that assumes
 #
-# cal_item_id
+# cal_item_id:naturalnum,notnull
 #
 # This will pull out information about the event and 
 # display it with some options.
@@ -10,7 +10,7 @@
 ad_page_contract {
     Confirm Deletion
 } {
-    cal_item_id
+    cal_item_id:naturalnum,notnull
 }
 
 auth::require_login