Index: openacs-4/packages/assessment/www/asm-admin/item-edit-display-rb.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-edit-display-rb.tcl,v
diff -u -r1.7 -r1.8
--- openacs-4/packages/assessment/www/asm-admin/item-edit-display-rb.tcl	15 May 2007 20:14:18 -0000	1.7
+++ openacs-4/packages/assessment/www/asm-admin/item-edit-display-rb.tcl	27 Oct 2014 16:41:02 -0000	1.8
@@ -4,9 +4,9 @@
     @author Timo Hentschel (timo@timohentschel.de)
     @cvs-id $Id:
 } {
-    assessment_id:integer
-    section_id:integer
-    as_item_id:integer
+    assessment_id:naturalnum,notnull
+    section_id:naturalnum,notnull
+    as_item_id:naturalnum,notnull
 } -properties {
     context:onevalue
     page_title:onevalue
@@ -58,7 +58,7 @@
     {as_item_display_id:text(hidden)}
 } -edit_request {
     db_1row last_used_display_type {}
-    if {![empty_string_p $as_item_display_id]} {
+    if {$as_item_display_id ne ""} {
 	db_1row display_type_data {}
     } else {
 	# default data if display newly mapped