Index: openacs-4/packages/assessment/lib/assessment.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/lib/assessment.tcl,v
diff -u -N -r1.27.2.1 -r1.27.2.2
--- openacs-4/packages/assessment/lib/assessment.tcl	18 Aug 2014 20:24:59 -0000	1.27.2.1
+++ openacs-4/packages/assessment/lib/assessment.tcl	18 Aug 2014 20:31:53 -0000	1.27.2.2
@@ -6,9 +6,9 @@
     @author Timo Hentschel (timo@timohentschel.de)
     @creation-date 2004-09-13
 } -query {
-    assessment_id:integer,notnull
+    assessment_id:naturalnum,notnull
     {password:optional ""}
-    {session_id:integer,optional ""}
+    {session_id:naturalnum,optional ""}
     {section_order:integer,optional ""}
     {item_order:integer,optional ""}
     {item_id ""}
Index: openacs-4/packages/assessment/lib/feedback.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/lib/feedback.tcl,v
diff -u -N -r1.8.6.1 -r1.8.6.2
--- openacs-4/packages/assessment/lib/feedback.tcl	18 Aug 2014 20:24:59 -0000	1.8.6.1
+++ openacs-4/packages/assessment/lib/feedback.tcl	18 Aug 2014 20:31:54 -0000	1.8.6.2
@@ -9,9 +9,9 @@
     @arch-tag: 36842c7c-99fa-4d71-904c-814bc3fde60c
     @cvs-id $Id$
 } {
-    assessment_id
-    session_id
-    section_id
+    assessment_id:naturalnum,notnull
+    session_id:naturalnum,notnull
+    section_id:naturalnum,notnull
     {return_p 0}
     section_order:optional
     item_order:optional
Index: openacs-4/packages/assessment/lib/finish.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/lib/finish.tcl,v
diff -u -N -r1.2.4.1 -r1.2.4.2
--- openacs-4/packages/assessment/lib/finish.tcl	18 Aug 2014 20:24:59 -0000	1.2.4.1
+++ openacs-4/packages/assessment/lib/finish.tcl	18 Aug 2014 20:31:54 -0000	1.2.4.2
@@ -5,8 +5,8 @@
     @author Timo Hentschel (timo@timohentschel.de)
     @date   2005-01-20
 } {
-    session_id:integer,notnull
-    assessment_id:integer,notnull
+    session_id:naturalnum,notnull
+    assessment_id:naturalnum,notnull
     return_url:optional
     next_asm:optional
 } -properties {
Index: openacs-4/packages/assessment/lib/show-check-info.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/lib/show-check-info.tcl,v
diff -u -N -r1.2 -r1.2.12.1
--- openacs-4/packages/assessment/lib/show-check-info.tcl	18 Feb 2005 17:07:33 -0000	1.2
+++ openacs-4/packages/assessment/lib/show-check-info.tcl	18 Aug 2014 20:31:54 -0000	1.2.12.1
@@ -5,9 +5,9 @@
     @date 2005-01-17
     
 } {
-    inter_item_check_id:multiple
-    section_id
-    assessment_id
+    inter_item_check_id:naturalnum,multiple
+    section_id:naturalnum,notnull
+    assessment_id:naturalnum,notnull
     type_check
 }
 
Index: openacs-4/packages/assessment/www/assessment-consent.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/assessment-consent.tcl,v
diff -u -N -r1.6 -r1.6.8.1
--- openacs-4/packages/assessment/www/assessment-consent.tcl	12 Jun 2006 02:49:51 -0000	1.6
+++ openacs-4/packages/assessment/www/assessment-consent.tcl	18 Aug 2014 20:31:54 -0000	1.6.8.1
@@ -5,8 +5,8 @@
     @author Timo Hentschel (timo@timohentschel.de)
     @date   2005-01-24
 } {
-    session_id:integer,notnull
-    assessment_id:integer,notnull
+    session_id:naturalnum,notnull
+    assessment_id:naturalnum,notnull
     {password:optional ""}
 } -properties {
     context_bar:onevalue
Index: openacs-4/packages/assessment/www/assessment-password.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/assessment-password.tcl,v
diff -u -N -r1.4.4.1 -r1.4.4.2
--- openacs-4/packages/assessment/www/assessment-password.tcl	18 Aug 2014 20:25:02 -0000	1.4.4.1
+++ openacs-4/packages/assessment/www/assessment-password.tcl	18 Aug 2014 20:31:54 -0000	1.4.4.2
@@ -5,7 +5,7 @@
     @author Timo Hentschel (timo@timohentschel.de)
     @creation-date 2005-02-20
 } -query {
-    assessment_id:integer,notnull
+    assessment_id:naturalnum,notnull
 } -properties {
     context_bar:onevalue
     page_title:onevalue
Index: openacs-4/packages/assessment/www/finish.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/finish.tcl,v
diff -u -N -r1.10.4.1 -r1.10.4.2
--- openacs-4/packages/assessment/www/finish.tcl	18 Aug 2014 20:25:03 -0000	1.10.4.1
+++ openacs-4/packages/assessment/www/finish.tcl	18 Aug 2014 20:31:54 -0000	1.10.4.2
@@ -5,8 +5,8 @@
     @author Timo Hentschel (timo@timohentschel.de)
     @date   2005-01-20
 } {
-    session_id:integer,notnull
-    assessment_id:integer,notnull
+    session_id:naturalnum,notnull
+    assessment_id:naturalnum,notnull
     return_url:optional
     next_asm:optional
     total_pages:optional
Index: openacs-4/packages/assessment/www/instructions.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/instructions.tcl,v
diff -u -N -r1.3 -r1.3.4.1
--- openacs-4/packages/assessment/www/instructions.tcl	1 Dec 2008 16:57:02 -0000	1.3
+++ openacs-4/packages/assessment/www/instructions.tcl	18 Aug 2014 20:31:54 -0000	1.3.4.1
@@ -6,7 +6,7 @@
     @author Dave Bauer (dave@solutiongrove.com)
     @creation-date 2007-02-15
 } {
-    assessment_id:integer,notnull
+    assessment_id:naturalnum,notnull
 }
 
 set user_id [ad_conn user_id]
Index: openacs-4/packages/assessment/www/last-session.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/last-session.tcl,v
diff -u -N -r1.5.2.1 -r1.5.2.2
--- openacs-4/packages/assessment/www/last-session.tcl	18 Aug 2014 20:25:03 -0000	1.5.2.1
+++ openacs-4/packages/assessment/www/last-session.tcl	18 Aug 2014 20:31:54 -0000	1.5.2.2
@@ -7,8 +7,8 @@
 	@author Eduardo Pérez Ureta (eperez@it.uc3m.es)
 	@creation-date 2004-09-03
 } {
-    assessment_id:notnull
-    {subject_id:integer,optional ""}
+    assessment_id:naturalnum,notnull
+    {subject_id:naturalnum,optional ""}
 } -properties {
     context:onevalue
     assessment_info:multirow
Index: openacs-4/packages/assessment/www/session.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/session.tcl,v
diff -u -N -r1.40 -r1.40.4.1
--- openacs-4/packages/assessment/www/session.tcl	1 Dec 2008 16:57:02 -0000	1.40
+++ openacs-4/packages/assessment/www/session.tcl	18 Aug 2014 20:31:54 -0000	1.40.4.1
@@ -6,8 +6,8 @@
      @date   2004-12-24
      @cvs-id $Id: 
  } {
-    {session_id:integer 0}
-    {assessment_id:integer 0}
+    {session_id:naturalnum,notnull 0}
+    {assessment_id:naturalnum,notnull 0}
     {next_url ""}
  } -properties {
      context:onevalue
Index: openacs-4/packages/assessment/www/sessions.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/sessions.tcl,v
diff -u -N -r1.21.2.1 -r1.21.2.2
--- openacs-4/packages/assessment/www/sessions.tcl	18 Aug 2014 20:25:03 -0000	1.21.2.1
+++ openacs-4/packages/assessment/www/sessions.tcl	18 Aug 2014 20:31:54 -0000	1.21.2.2
@@ -7,8 +7,8 @@
 	@author Eduardo Pérez Ureta (eperez@it.uc3m.es)
 	@creation-date 2004-09-03
 } {
-    assessment_id:notnull
-    {subject_id:integer,optional ""}
+    assessment_id:naturalnum,notnull
+    {subject_id:naturalnum,optional ""}
 } -properties {
     context_bar:onevalue
     page_title:onevalue
Index: openacs-4/packages/assessment/www/admin/asm-action-delete.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/admin/asm-action-delete.tcl,v
diff -u -N -r1.5.8.1 -r1.5.8.2
--- openacs-4/packages/assessment/www/admin/asm-action-delete.tcl	18 Aug 2014 20:25:03 -0000	1.5.8.1
+++ openacs-4/packages/assessment/www/admin/asm-action-delete.tcl	18 Aug 2014 20:31:54 -0000	1.5.8.2
@@ -4,7 +4,7 @@
     @date 07-01-2005
     @cvs-id $Id:
 } {
-    action_id:integer
+    action_id:naturalnum,notnull
 }
 
 set page_title [_ assessment.delete]
Index: openacs-4/packages/assessment/www/admin/asm-action-new.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/admin/asm-action-new.tcl,v
diff -u -N -r1.8.8.1 -r1.8.8.2
--- openacs-4/packages/assessment/www/admin/asm-action-new.tcl	18 Aug 2014 20:25:03 -0000	1.8.8.1
+++ openacs-4/packages/assessment/www/admin/asm-action-new.tcl	18 Aug 2014 20:31:54 -0000	1.8.8.2
@@ -4,7 +4,7 @@
     @date 07-01-2005
     @cvs-id $Id:
 } {
-    action_id:optional
+    action_id:naturalnum,optional
 }
 
 set package_id [ad_conn package_id]
Index: openacs-4/packages/assessment/www/admin/asm-action-param-admin.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/admin/asm-action-param-admin.tcl,v
diff -u -N -r1.7.8.1 -r1.7.8.2
--- openacs-4/packages/assessment/www/admin/asm-action-param-admin.tcl	18 Aug 2014 20:25:03 -0000	1.7.8.1
+++ openacs-4/packages/assessment/www/admin/asm-action-param-admin.tcl	18 Aug 2014 20:31:55 -0000	1.7.8.2
@@ -4,8 +4,8 @@
     @date 07-01-2005
     @cvs-id $Id:
 } {
-    action_id
-    parameter_id:optional
+    action_id:naturalnum,notnull
+    parameter_id:naturalnum,optional
 }
 
 if { ![ad_form_new_p -key parameter_id] } {
Index: openacs-4/packages/assessment/www/admin/asm-action-param-delete.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/admin/asm-action-param-delete.tcl,v
diff -u -N -r1.6.8.1 -r1.6.8.2
--- openacs-4/packages/assessment/www/admin/asm-action-param-delete.tcl	18 Aug 2014 20:25:03 -0000	1.6.8.1
+++ openacs-4/packages/assessment/www/admin/asm-action-param-delete.tcl	18 Aug 2014 20:31:55 -0000	1.6.8.2
@@ -4,8 +4,8 @@
     @date 07-01-2005
     @cvs-id $Id:
 } {
-    parameter_id:integer
-    action_id:integer
+    parameter_id:naturalnum,notnull
+    action_id:naturalnum,notnull
 }
 
 set page_title [_ assessment.delete_parameter]
Index: openacs-4/packages/assessment/www/admin/set-reg-assessment.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/admin/set-reg-assessment.tcl,v
diff -u -N -r1.2.8.1 -r1.2.8.2
--- openacs-4/packages/assessment/www/admin/set-reg-assessment.tcl	18 Aug 2014 20:25:03 -0000	1.2.8.1
+++ openacs-4/packages/assessment/www/admin/set-reg-assessment.tcl	18 Aug 2014 20:31:55 -0000	1.2.8.2
@@ -5,7 +5,7 @@
     @creation-date 2005-01-20
     @cvs-id $Id: 
 } {
-    assessment_id:optional
+    assessment_id:naturalnum,optional
 }
 
 
Index: openacs-4/packages/assessment/www/asm-admin/action-params.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/action-params.tcl,v
diff -u -N -r1.7.8.2 -r1.7.8.3
--- openacs-4/packages/assessment/www/asm-admin/action-params.tcl	18 Aug 2014 20:27:51 -0000	1.7.8.2
+++ openacs-4/packages/assessment/www/asm-admin/action-params.tcl	18 Aug 2014 20:31:55 -0000	1.7.8.3
@@ -5,13 +5,13 @@
     
     This page allows to add branches or actions to the question and its choices.    
 } {
-    assessment_id:integer
-    inter_item_check_id:integer
-    section_id:integer
-    action_id:integer
-    check_id:optional
+    assessment_id:naturalnum,notnull
+    inter_item_check_id:naturalnum,notnull
+    section_id:naturalnum,notnull
+    action_id:naturalnum,notnull
+    check_id:naturalnum,optional
     edit_check:optional
-    item_id:optional
+    item_id:naturalnum,optional
     by_item_p:optional
 } -properties {
     context:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/action-select.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/action-select.tcl,v
diff -u -N -r1.7.8.1 -r1.7.8.2
--- openacs-4/packages/assessment/www/asm-admin/action-select.tcl	18 Aug 2014 20:25:03 -0000	1.7.8.1
+++ openacs-4/packages/assessment/www/asm-admin/action-select.tcl	18 Aug 2014 20:31:55 -0000	1.7.8.2
@@ -5,13 +5,13 @@
     
     This page allows to relate an action to the check.    
 } {
-    assessment_id:integer
-    inter_item_check_id:integer
-    section_id:integer
-    check_id:optional
+    assessment_id:naturalnum,notnull
+    inter_item_check_id:naturalnum,notnull
+    section_id:naturalnum,notnull
+    check_id:naturalnum,optional
     edit_check:optional
     by_item_p:optional
-    item_id:optional
+    item_id:naturalnum,optional
     {section_check_p 0}
 } -properties {
     context:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/add-edit-check.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/add-edit-check.tcl,v
diff -u -N -r1.7.8.1 -r1.7.8.2
--- openacs-4/packages/assessment/www/asm-admin/add-edit-check.tcl	18 Aug 2014 20:25:04 -0000	1.7.8.1
+++ openacs-4/packages/assessment/www/asm-admin/add-edit-check.tcl	18 Aug 2014 20:31:55 -0000	1.7.8.2
@@ -5,14 +5,14 @@
     This page allows to add branches or actions to the question and its choices.    
 
 } {
-    assessment_id:integer
-    as_item_id:integer,optional
-    section_id:integer,optional
-    inter_item_check_id:optional
+    assessment_id:naturalnum,notnull
+    as_item_id:naturalnum,optional
+    section_id:naturalnum,optional
+    inter_item_check_id:naturalnum,optional
     edit_check:optional
     type:optional
     by_item_p:optional
-    item_id:optional
+    item_id:naturalnum,optional
 } -properties {
     context:onevalue
     title:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/add-edit-section-check.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/add-edit-section-check.tcl,v
diff -u -N -r1.3.6.1 -r1.3.6.2
--- openacs-4/packages/assessment/www/asm-admin/add-edit-section-check.tcl	18 Aug 2014 20:25:04 -0000	1.3.6.1
+++ openacs-4/packages/assessment/www/asm-admin/add-edit-section-check.tcl	18 Aug 2014 20:31:55 -0000	1.3.6.2
@@ -9,9 +9,9 @@
     @arch-tag: 29e2145c-7bcc-4a3d-b2e7-b43a2e305f7c
     @cvs-id $Id$
 } {
-    assessment_id:integer
-    section_id:integer,optional
-    inter_item_check_id:optional
+    assessment_id:naturalnum,notnull
+    section_id:naturalnum,optional
+    inter_item_check_id:naturalnum,optional
     edit_check:optional
     by_item_p:optional
 } -properties {
Index: openacs-4/packages/assessment/www/asm-admin/approve-check.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/approve-check.tcl,v
diff -u -N -r1.2 -r1.2.8.1
--- openacs-4/packages/assessment/www/asm-admin/approve-check.tcl	26 Sep 2006 00:22:46 -0000	1.2
+++ openacs-4/packages/assessment/www/asm-admin/approve-check.tcl	18 Aug 2014 20:31:55 -0000	1.2.8.1
@@ -3,7 +3,7 @@
     @author Anny Flores (annyflores@viaro.net) Viaro Networks
     @date 2005-01-17
 } {
-    action_log_id:multiple
+    action_log_id:naturalnum,multiple
     d_assessment
     d_state
     d_interval
Index: openacs-4/packages/assessment/www/asm-admin/assessment-copy.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/assessment-copy.tcl,v
diff -u -N -r1.6 -r1.6.8.1
--- openacs-4/packages/assessment/www/asm-admin/assessment-copy.tcl	12 Jun 2006 02:49:51 -0000	1.6
+++ openacs-4/packages/assessment/www/asm-admin/assessment-copy.tcl	18 Aug 2014 20:31:55 -0000	1.6.8.1
@@ -4,7 +4,7 @@
     @author Timo Hentschel (timo@timohentschel.de)
     @cvs-id $Id:
 } {
-    assessment_id:integer
+    assessment_id:naturalnum,notnull
 } -properties {
     context:onevalue
     page_title:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/assessment-delete.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/assessment-delete.tcl,v
diff -u -N -r1.5 -r1.5.6.1
--- openacs-4/packages/assessment/www/asm-admin/assessment-delete.tcl	15 May 2007 20:14:17 -0000	1.5
+++ openacs-4/packages/assessment/www/asm-admin/assessment-delete.tcl	18 Aug 2014 20:31:55 -0000	1.5.6.1
@@ -4,7 +4,7 @@
     @author Timo Hentschel (timo@timohentschel.de)
     @cvs-id $Id:
 } {
-    assessment_id:integer
+    assessment_id:naturalnum,notnull
 } -properties {
     context:onevalue
     page_title:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/assessment-form.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/assessment-form.tcl,v
diff -u -N -r1.15.6.1 -r1.15.6.2
--- openacs-4/packages/assessment/www/asm-admin/assessment-form.tcl	18 Aug 2014 20:25:04 -0000	1.15.6.1
+++ openacs-4/packages/assessment/www/asm-admin/assessment-form.tcl	18 Aug 2014 20:31:56 -0000	1.15.6.2
@@ -4,7 +4,7 @@
     @author Timo Hentschel (timo@timohentschel.de)
     @cvs-id $Id:
 } {
-    assessment_id:integer,optional
+    assessment_id:naturalnum,optional
     {__new_p 0}
     {permission_p 0}
     {type ""}
Index: openacs-4/packages/assessment/www/asm-admin/assessment-history.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/assessment-history.tcl,v
diff -u -N -r1.3 -r1.3.6.1
--- openacs-4/packages/assessment/www/asm-admin/assessment-history.tcl	31 Jan 2008 16:06:26 -0000	1.3
+++ openacs-4/packages/assessment/www/asm-admin/assessment-history.tcl	18 Aug 2014 20:31:56 -0000	1.3.6.1
@@ -5,7 +5,7 @@
     @author Timo Hentschel (timo@timohentschel.de)
     @creation-date 2005-04-15
 } {
-    assessment_id
+    assessment_id:naturalnum,notnull
 } -properties {
     context:onevalue
     page_title:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/assessment-new.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/assessment-new.tcl,v
diff -u -N -r1.3.8.1 -r1.3.8.2
--- openacs-4/packages/assessment/www/asm-admin/assessment-new.tcl	18 Aug 2014 20:25:04 -0000	1.3.8.1
+++ openacs-4/packages/assessment/www/asm-admin/assessment-new.tcl	18 Aug 2014 20:31:56 -0000	1.3.8.2
@@ -1,7 +1,7 @@
 ad_page_contract {
     @author Anny Flores (annyflores@viaro.net) Viaro Networks (www.viaro.net)
 } {
-    assessment_id:integer,optional
+    assessment_id:naturalnum,optional
     {type ""}
     {permission_p ""}
     {page_title ""}
Index: openacs-4/packages/assessment/www/asm-admin/bulk-mail.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/bulk-mail.tcl,v
diff -u -N -r1.5.6.2 -r1.5.6.3
--- openacs-4/packages/assessment/www/asm-admin/bulk-mail.tcl	18 Aug 2014 20:27:51 -0000	1.5.6.2
+++ openacs-4/packages/assessment/www/asm-admin/bulk-mail.tcl	18 Aug 2014 20:31:56 -0000	1.5.6.3
@@ -1,7 +1,7 @@
 ad_page_contract {
     @author Anny Flores (annyflores@viaro.net) Viaro Networks (www.viaro.net)
 } {
-    action_log_id:multiple
+    action_log_id:naturalnum,multiple
     d_assessment
     d_date
     d_interval
Index: openacs-4/packages/assessment/www/asm-admin/catalog-browse.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/catalog-browse.tcl,v
diff -u -N -r1.8.8.1 -r1.8.8.2
--- openacs-4/packages/assessment/www/asm-admin/catalog-browse.tcl	18 Aug 2014 20:25:04 -0000	1.8.8.1
+++ openacs-4/packages/assessment/www/asm-admin/catalog-browse.tcl	18 Aug 2014 20:31:56 -0000	1.8.8.2
@@ -9,8 +9,8 @@
     @date   2004-12-08
     @cvs-id $Id: 
 } {
-    assessment_id:integer
-    {section_id:integer,optional}
+    assessment_id:naturalnum,notnull
+    {section_id:naturalnum,optional}
     after:integer
     {itype:optional}
     {subtree_p:optional}
Index: openacs-4/packages/assessment/www/asm-admin/catalog-item-add.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/catalog-item-add.tcl,v
diff -u -N -r1.6.6.1 -r1.6.6.2
--- openacs-4/packages/assessment/www/asm-admin/catalog-item-add.tcl	18 Aug 2014 20:25:04 -0000	1.6.6.1
+++ openacs-4/packages/assessment/www/asm-admin/catalog-item-add.tcl	18 Aug 2014 20:31:56 -0000	1.6.6.2
@@ -10,10 +10,10 @@
     @date   2004-12-08
     @cvs-id $Id:
 } {
-    assessment_id:integer
-    section_id:integer
+    assessment_id:naturalnum,notnull
+    section_id:naturalnum,notnull
     after:integer
-    as_item_id:integer,multiple,optional
+    as_item_id:naturalnum,multiple,optional
     item_ids:optional
 } -properties {
     page_title:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/catalog-search.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/catalog-search.tcl,v
diff -u -N -r1.4.12.1 -r1.4.12.2
--- openacs-4/packages/assessment/www/asm-admin/catalog-search.tcl	18 Aug 2014 20:25:04 -0000	1.4.12.1
+++ openacs-4/packages/assessment/www/asm-admin/catalog-search.tcl	18 Aug 2014 20:31:56 -0000	1.4.12.2
@@ -9,8 +9,8 @@
     @date   2004-12-08
     @cvs-id $Id: 
 } {
-    assessment_id:integer
-    section_id:integer,optional
+    assessment_id:naturalnum,notnull
+    section_id:naturalnum,optional
     after:integer
 }
 
Index: openacs-4/packages/assessment/www/asm-admin/catalog-section-add.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/catalog-section-add.tcl,v
diff -u -N -r1.4.12.1 -r1.4.12.2
--- openacs-4/packages/assessment/www/asm-admin/catalog-section-add.tcl	18 Aug 2014 20:25:04 -0000	1.4.12.1
+++ openacs-4/packages/assessment/www/asm-admin/catalog-section-add.tcl	18 Aug 2014 20:31:56 -0000	1.4.12.2
@@ -9,9 +9,9 @@
     @date   2004-12-08
     @cvs-id $Id: 
 } {
-    assessment_id:integer
+    assessment_id:naturalnum,notnull
     after:integer
-    section_id:integer,multiple,optional
+    section_id:naturalnum,multiple,optional
     section_ids:optional
 } -properties {
     title:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/change-timing.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/change-timing.tcl,v
diff -u -N -r1.3.8.1 -r1.3.8.2
--- openacs-4/packages/assessment/www/asm-admin/change-timing.tcl	18 Aug 2014 20:25:04 -0000	1.3.8.1
+++ openacs-4/packages/assessment/www/asm-admin/change-timing.tcl	18 Aug 2014 20:31:57 -0000	1.3.8.2
@@ -4,7 +4,7 @@
     @author Malte Sussdorff (malte.sussdorff@cognovis.de)
     @author cognovis www.cognovis.de
 } {
-    assessment_id:multiple
+    assessment_id:naturalnum,multiple
     {return_url "index"}
 }
 
Index: openacs-4/packages/assessment/www/asm-admin/checks-admin.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/checks-admin.tcl,v
diff -u -N -r1.9.8.2 -r1.9.8.3
--- openacs-4/packages/assessment/www/asm-admin/checks-admin.tcl	18 Aug 2014 20:27:51 -0000	1.9.8.2
+++ openacs-4/packages/assessment/www/asm-admin/checks-admin.tcl	18 Aug 2014 20:31:57 -0000	1.9.8.3
@@ -5,9 +5,9 @@
     @author Anny Flores (annyflores@viaro.net) Viaro Networks (www.viaro.net)
     @date 2005-01-07
 } {
-    assessment_id:integer
-    section_id
-    item_id:optional
+    assessment_id:naturalnum,notnull
+    section_id:naturalnum,notnull
+    item_id:naturalnum,optional
       
 }
 
Index: openacs-4/packages/assessment/www/asm-admin/checks-delete.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/checks-delete.tcl,v
diff -u -N -r1.5 -r1.5.8.1
--- openacs-4/packages/assessment/www/asm-admin/checks-delete.tcl	26 Sep 2006 00:22:46 -0000	1.5
+++ openacs-4/packages/assessment/www/asm-admin/checks-delete.tcl	18 Aug 2014 20:31:57 -0000	1.5.8.1
@@ -3,11 +3,11 @@
     @author Anny Flores (annyflores@viaro.net) Viaro Networks
     @date 2005-01-17
 } {
-    inter_item_check_id:multiple
-    section_id
-    assessment_id
+    inter_item_check_id:naturalnum,multiple
+    section_id:naturalnum,notnull
+    assessment_id:naturalnum,notnull
     by_item_p
-    item_id:optional
+    item_id:naturalnum,optional
   }
 
 permission::require_permission \
Index: openacs-4/packages/assessment/www/asm-admin/confirm-delete.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/confirm-delete.tcl,v
diff -u -N -r1.6 -r1.6.8.1
--- openacs-4/packages/assessment/www/asm-admin/confirm-delete.tcl	12 Jun 2006 02:49:51 -0000	1.6
+++ openacs-4/packages/assessment/www/asm-admin/confirm-delete.tcl	18 Aug 2014 20:31:57 -0000	1.6.8.1
@@ -3,9 +3,9 @@
     @author Anny Flores (annyflores@viaro.net) Viaro Networks
     @date 2005-01-17
 } {
-    inter_item_check_id:multiple
-    section_id
-    assessment_id
+    inter_item_check_id:naturalnum,multiple
+    section_id:naturalnum,notnull
+    assessment_id:naturalnum,notnull
     by_item_p:integer
     item_id_check:optional
 }
Index: openacs-4/packages/assessment/www/asm-admin/item-add-display-cb.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-add-display-cb.tcl,v
diff -u -N -r1.7.6.1 -r1.7.6.2
--- openacs-4/packages/assessment/www/asm-admin/item-add-display-cb.tcl	18 Aug 2014 20:25:04 -0000	1.7.6.1
+++ openacs-4/packages/assessment/www/asm-admin/item-add-display-cb.tcl	18 Aug 2014 20:31:57 -0000	1.7.6.2
@@ -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
     after:integer
     {type ""}
 } -properties {
Index: openacs-4/packages/assessment/www/asm-admin/item-add-display-f.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-add-display-f.tcl,v
diff -u -N -r1.3.6.1 -r1.3.6.2
--- openacs-4/packages/assessment/www/asm-admin/item-add-display-f.tcl	18 Aug 2014 20:25:05 -0000	1.3.6.1
+++ openacs-4/packages/assessment/www/asm-admin/item-add-display-f.tcl	18 Aug 2014 20:31:58 -0000	1.3.6.2
@@ -4,9 +4,9 @@
     @author  Anny Flores (annyflores@viaro.net) Viaro Networks (www.viaro.net)
 
 } {
-    assessment_id:integer
-    section_id:integer
-    as_item_id:integer
+    assessment_id:naturalnum,notnull
+    section_id:naturalnum,notnull
+    as_item_id:naturalnum,notnull
     after:integer
 } -properties {
     context:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/item-add-display-rb.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-add-display-rb.tcl,v
diff -u -N -r1.7.6.1 -r1.7.6.2
--- openacs-4/packages/assessment/www/asm-admin/item-add-display-rb.tcl	18 Aug 2014 20:25:05 -0000	1.7.6.1
+++ openacs-4/packages/assessment/www/asm-admin/item-add-display-rb.tcl	18 Aug 2014 20:31:58 -0000	1.7.6.2
@@ -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
     after:integer
     {type ""}
 } -properties {
Index: openacs-4/packages/assessment/www/asm-admin/item-add-display-sa.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-add-display-sa.tcl,v
diff -u -N -r1.5.6.1 -r1.5.6.2
--- openacs-4/packages/assessment/www/asm-admin/item-add-display-sa.tcl	18 Aug 2014 20:25:05 -0000	1.5.6.1
+++ openacs-4/packages/assessment/www/asm-admin/item-add-display-sa.tcl	18 Aug 2014 20:31:58 -0000	1.5.6.2
@@ -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
     after:integer
 } -properties {
     context:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/item-add-display-sb.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-add-display-sb.tcl,v
diff -u -N -r1.8.6.1 -r1.8.6.2
--- openacs-4/packages/assessment/www/asm-admin/item-add-display-sb.tcl	18 Aug 2014 20:25:05 -0000	1.8.6.1
+++ openacs-4/packages/assessment/www/asm-admin/item-add-display-sb.tcl	18 Aug 2014 20:31:58 -0000	1.8.6.2
@@ -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
     after:integer
     {type ""}
 } -properties {
Index: openacs-4/packages/assessment/www/asm-admin/item-add-display-ta.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-add-display-ta.tcl,v
diff -u -N -r1.7.6.1 -r1.7.6.2
--- openacs-4/packages/assessment/www/asm-admin/item-add-display-ta.tcl	18 Aug 2014 20:25:05 -0000	1.7.6.1
+++ openacs-4/packages/assessment/www/asm-admin/item-add-display-ta.tcl	18 Aug 2014 20:31:58 -0000	1.7.6.2
@@ -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
     after:integer
 } -properties {
     context:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/item-add-display-tb.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-add-display-tb.tcl,v
diff -u -N -r1.7.6.1 -r1.7.6.2
--- openacs-4/packages/assessment/www/asm-admin/item-add-display-tb.tcl	18 Aug 2014 20:25:05 -0000	1.7.6.1
+++ openacs-4/packages/assessment/www/asm-admin/item-add-display-tb.tcl	18 Aug 2014 20:31:58 -0000	1.7.6.2
@@ -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
     after:integer
 } -properties {
     context:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/item-add-fu.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-add-fu.tcl,v
diff -u -N -r1.2.8.1 -r1.2.8.2
--- openacs-4/packages/assessment/www/asm-admin/item-add-fu.tcl	18 Aug 2014 20:25:05 -0000	1.2.8.1
+++ openacs-4/packages/assessment/www/asm-admin/item-add-fu.tcl	18 Aug 2014 20:31:59 -0000	1.2.8.2
@@ -4,9 +4,9 @@
     @author Anny Flores (annyflores@viaro.net) Viaro Networks (www.viaro.net)
     @creation date  2005-06-23
 } {
-    assessment_id:integer
-    section_id:integer
-    as_item_id:integer
+    assessment_id:naturalnum,notnull
+    section_id:naturalnum,notnull
+    as_item_id:naturalnum,notnull
     after:integer
 } -properties {
     context:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/item-add-mc-choices.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-add-mc-choices.tcl,v
diff -u -N -r1.11.2.1 -r1.11.2.2
--- openacs-4/packages/assessment/www/asm-admin/item-add-mc-choices.tcl	18 Aug 2014 20:25:05 -0000	1.11.2.1
+++ openacs-4/packages/assessment/www/asm-admin/item-add-mc-choices.tcl	18 Aug 2014 20:31:59 -0000	1.11.2.2
@@ -4,11 +4,11 @@
     @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
     after:integer
-    mc_id:integer
+    mc_id:naturalnum,notnull
     display_type
     feedback:array,optional
     fixed_pos:array,optional
Index: openacs-4/packages/assessment/www/asm-admin/item-add-mc-existing.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-add-mc-existing.tcl,v
diff -u -N -r1.4.8.1 -r1.4.8.2
--- openacs-4/packages/assessment/www/asm-admin/item-add-mc-existing.tcl	18 Aug 2014 20:25:05 -0000	1.4.8.1
+++ openacs-4/packages/assessment/www/asm-admin/item-add-mc-existing.tcl	18 Aug 2014 20:31:59 -0000	1.4.8.2
@@ -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
     after:integer
 } -properties {
     context_bar:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/item-add-mc.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-add-mc.tcl,v
diff -u -N -r1.10.6.1 -r1.10.6.2
--- openacs-4/packages/assessment/www/asm-admin/item-add-mc.tcl	18 Aug 2014 20:25:05 -0000	1.10.6.1
+++ openacs-4/packages/assessment/www/asm-admin/item-add-mc.tcl	18 Aug 2014 20:31:59 -0000	1.10.6.2
@@ -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
     after:integer
     choice:optional,array
     correct:optional,array
Index: openacs-4/packages/assessment/www/asm-admin/item-add-oq.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-add-oq.tcl,v
diff -u -N -r1.6.8.1 -r1.6.8.2
--- openacs-4/packages/assessment/www/asm-admin/item-add-oq.tcl	18 Aug 2014 20:25:05 -0000	1.6.8.1
+++ openacs-4/packages/assessment/www/asm-admin/item-add-oq.tcl	18 Aug 2014 20:31:59 -0000	1.6.8.2
@@ -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
     after:integer
 } -properties {
     context:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/item-add-sa.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-add-sa.tcl,v
diff -u -N -r1.5.8.1 -r1.5.8.2
--- openacs-4/packages/assessment/www/asm-admin/item-add-sa.tcl	18 Aug 2014 20:25:05 -0000	1.5.8.1
+++ openacs-4/packages/assessment/www/asm-admin/item-add-sa.tcl	18 Aug 2014 20:31:59 -0000	1.5.8.2
@@ -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
     after:integer
 } -properties {
     context:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/item-add-swcat.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-add-swcat.tcl,v
diff -u -N -r1.3.6.1 -r1.3.6.2
--- openacs-4/packages/assessment/www/asm-admin/item-add-swcat.tcl	18 Aug 2014 20:25:05 -0000	1.3.6.1
+++ openacs-4/packages/assessment/www/asm-admin/item-add-swcat.tcl	18 Aug 2014 20:31:59 -0000	1.3.6.2
@@ -9,9 +9,9 @@
     @arch-tag: 1aaf171d-3d71-4e10-86e8-66731a80a1a5
     @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
     after:integer
 } -properties {
     context:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/item-add.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-add.tcl,v
diff -u -N -r1.23.2.1 -r1.23.2.2
--- openacs-4/packages/assessment/www/asm-admin/item-add.tcl	18 Aug 2014 20:25:05 -0000	1.23.2.1
+++ openacs-4/packages/assessment/www/asm-admin/item-add.tcl	18 Aug 2014 20:31:59 -0000	1.23.2.2
@@ -4,8 +4,8 @@
     @author Timo Hentschel (timo@timohentschel.de)
     @cvs-id $Id:
 } {
-    assessment_id:integer
-    section_id:integer
+    assessment_id:naturalnum,notnull
+    section_id:naturalnum,notnull
     after:integer
     choice:optional,array
     correct:optional,array
Index: openacs-4/packages/assessment/www/asm-admin/item-copy.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-copy.tcl,v
diff -u -N -r1.5.6.1 -r1.5.6.2
--- openacs-4/packages/assessment/www/asm-admin/item-copy.tcl	18 Aug 2014 20:25:06 -0000	1.5.6.1
+++ openacs-4/packages/assessment/www/asm-admin/item-copy.tcl	18 Aug 2014 20:32:00 -0000	1.5.6.2
@@ -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
     after:integer
 } -properties {
     context_bar:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/item-delete.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-delete.tcl,v
diff -u -N -r1.7 -r1.7.4.1
--- openacs-4/packages/assessment/www/asm-admin/item-delete.tcl	29 Aug 2008 19:19:08 -0000	1.7
+++ openacs-4/packages/assessment/www/asm-admin/item-delete.tcl	18 Aug 2014 20:32:00 -0000	1.7.4.1
@@ -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
     return_url:optional
 } -properties {
     context_bar:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/item-edit-display-cb.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-edit-display-cb.tcl,v
diff -u -N -r1.7.6.1 -r1.7.6.2
--- openacs-4/packages/assessment/www/asm-admin/item-edit-display-cb.tcl	18 Aug 2014 20:25:06 -0000	1.7.6.1
+++ openacs-4/packages/assessment/www/asm-admin/item-edit-display-cb.tcl	18 Aug 2014 20:32:00 -0000	1.7.6.2
@@ -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
Index: openacs-4/packages/assessment/www/asm-admin/item-edit-display-f.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-edit-display-f.tcl,v
diff -u -N -r1.3.6.1 -r1.3.6.2
--- openacs-4/packages/assessment/www/asm-admin/item-edit-display-f.tcl	18 Aug 2014 20:25:06 -0000	1.3.6.1
+++ openacs-4/packages/assessment/www/asm-admin/item-edit-display-f.tcl	18 Aug 2014 20:32:00 -0000	1.3.6.2
@@ -4,9 +4,9 @@
     @author Anny Flores (annyflores@viaro.net) Viaro Networks (www.viaro.net)
     @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_bar:onevalue
     page_title:onevalue
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 -N -r1.7.6.1 -r1.7.6.2
--- openacs-4/packages/assessment/www/asm-admin/item-edit-display-rb.tcl	18 Aug 2014 20:25:06 -0000	1.7.6.1
+++ openacs-4/packages/assessment/www/asm-admin/item-edit-display-rb.tcl	18 Aug 2014 20:32:00 -0000	1.7.6.2
@@ -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
Index: openacs-4/packages/assessment/www/asm-admin/item-edit-display-sa.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-edit-display-sa.tcl,v
diff -u -N -r1.5.6.1 -r1.5.6.2
--- openacs-4/packages/assessment/www/asm-admin/item-edit-display-sa.tcl	18 Aug 2014 20:25:06 -0000	1.5.6.1
+++ openacs-4/packages/assessment/www/asm-admin/item-edit-display-sa.tcl	18 Aug 2014 20:32:00 -0000	1.5.6.2
@@ -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_bar:onevalue
     page_title:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/item-edit-display-sb.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-edit-display-sb.tcl,v
diff -u -N -r1.10.6.1 -r1.10.6.2
--- openacs-4/packages/assessment/www/asm-admin/item-edit-display-sb.tcl	18 Aug 2014 20:25:06 -0000	1.10.6.1
+++ openacs-4/packages/assessment/www/asm-admin/item-edit-display-sb.tcl	18 Aug 2014 20:32:01 -0000	1.10.6.2
@@ -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
Index: openacs-4/packages/assessment/www/asm-admin/item-edit-display-ta.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-edit-display-ta.tcl,v
diff -u -N -r1.6.6.1 -r1.6.6.2
--- openacs-4/packages/assessment/www/asm-admin/item-edit-display-ta.tcl	18 Aug 2014 20:25:06 -0000	1.6.6.1
+++ openacs-4/packages/assessment/www/asm-admin/item-edit-display-ta.tcl	18 Aug 2014 20:32:01 -0000	1.6.6.2
@@ -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_bar:onevalue
     page_title:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/item-edit-display-tb.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-edit-display-tb.tcl,v
diff -u -N -r1.6.6.1 -r1.6.6.2
--- openacs-4/packages/assessment/www/asm-admin/item-edit-display-tb.tcl	18 Aug 2014 20:25:06 -0000	1.6.6.1
+++ openacs-4/packages/assessment/www/asm-admin/item-edit-display-tb.tcl	18 Aug 2014 20:32:01 -0000	1.6.6.2
@@ -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
Index: openacs-4/packages/assessment/www/asm-admin/item-edit-fu.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-edit-fu.tcl,v
diff -u -N -r1.3 -r1.3.6.1
--- openacs-4/packages/assessment/www/asm-admin/item-edit-fu.tcl	15 May 2007 20:14:18 -0000	1.3
+++ openacs-4/packages/assessment/www/asm-admin/item-edit-fu.tcl	18 Aug 2014 20:32:01 -0000	1.3.6.1
@@ -4,9 +4,9 @@
     @author Anny Flores (annyflores@viaro.net) Viaro Networks (www.viaro.net)
 
 } {
-    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
Index: openacs-4/packages/assessment/www/asm-admin/item-edit-general.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-edit-general.tcl,v
diff -u -N -r1.21.2.1 -r1.21.2.2
--- openacs-4/packages/assessment/www/asm-admin/item-edit-general.tcl	18 Aug 2014 20:25:06 -0000	1.21.2.1
+++ openacs-4/packages/assessment/www/asm-admin/item-edit-general.tcl	18 Aug 2014 20:32:01 -0000	1.21.2.2
@@ -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
     choice:optional,array
     correct:optional,array
     move_up:optional,array
Index: openacs-4/packages/assessment/www/asm-admin/item-edit-mc-choices-delete.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-edit-mc-choices-delete.tcl,v
diff -u -N -r1.5 -r1.5.6.1
--- openacs-4/packages/assessment/www/asm-admin/item-edit-mc-choices-delete.tcl	15 May 2007 20:14:18 -0000	1.5
+++ openacs-4/packages/assessment/www/asm-admin/item-edit-mc-choices-delete.tcl	18 Aug 2014 20:32:01 -0000	1.5.6.1
@@ -9,10 +9,10 @@
   @cvs-id $Id: item-swap.tcl
 
 } {
-    assessment_id:integer,notnull
-    section_id:integer,notnull
-    as_item_id:integer,notnull
-    choice_id:integer,notnull
+    assessment_id:naturalnum,notnull
+    section_id:naturalnum,notnull
+    as_item_id:naturalnum,notnull
+    choice_id:naturalnum,notnull
 }
 
 set package_id [ad_conn package_id]
Index: openacs-4/packages/assessment/www/asm-admin/item-edit-mc-choices-swap.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-edit-mc-choices-swap.tcl,v
diff -u -N -r1.4 -r1.4.6.1
--- openacs-4/packages/assessment/www/asm-admin/item-edit-mc-choices-swap.tcl	15 May 2007 20:14:18 -0000	1.4
+++ openacs-4/packages/assessment/www/asm-admin/item-edit-mc-choices-swap.tcl	18 Aug 2014 20:32:01 -0000	1.4.6.1
@@ -10,10 +10,10 @@
   @cvs-id $Id: item-swap.tcl
 
 } {
-    assessment_id:integer,notnull
-    section_id:integer,notnull
-    as_item_id:integer,notnull
-    mc_id:integer,notnull
+    assessment_id:naturalnum,notnull
+    section_id:naturalnum,notnull
+    as_item_id:naturalnum,notnull
+    mc_id:naturalnum,notnull
     sort_order:integer,notnull
     direction:notnull
 }
Index: openacs-4/packages/assessment/www/asm-admin/item-edit-mc-choices.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-edit-mc-choices.tcl,v
diff -u -N -r1.9.2.1 -r1.9.2.2
--- openacs-4/packages/assessment/www/asm-admin/item-edit-mc-choices.tcl	18 Aug 2014 20:25:06 -0000	1.9.2.1
+++ openacs-4/packages/assessment/www/asm-admin/item-edit-mc-choices.tcl	18 Aug 2014 20:32:01 -0000	1.9.2.2
@@ -4,10 +4,10 @@
     @author Timo Hentschel (timo@timohentschel.de)
     @cvs-id $Id:
 } {
-    assessment_id:integer
-    section_id:integer
-    as_item_id:integer
-    mc_id:integer
+    assessment_id:naturalnum,notnull
+    section_id:naturalnum,notnull
+    as_item_id:naturalnum,notnull
+    mc_id:naturalnum,notnull
     feedback:array,optional
     fixed_pos:array,optional
     answer_val:array,optional
Index: openacs-4/packages/assessment/www/asm-admin/item-edit-mc-existing.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-edit-mc-existing.tcl,v
diff -u -N -r1.4 -r1.4.6.1
--- openacs-4/packages/assessment/www/asm-admin/item-edit-mc-existing.tcl	15 May 2007 20:14:18 -0000	1.4
+++ openacs-4/packages/assessment/www/asm-admin/item-edit-mc-existing.tcl	18 Aug 2014 20:32:02 -0000	1.4.6.1
@@ -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_bar:onevalue
     page_title:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/item-edit-mc.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-edit-mc.tcl,v
diff -u -N -r1.12.2.1 -r1.12.2.2
--- openacs-4/packages/assessment/www/asm-admin/item-edit-mc.tcl	18 Aug 2014 20:25:06 -0000	1.12.2.1
+++ openacs-4/packages/assessment/www/asm-admin/item-edit-mc.tcl	18 Aug 2014 20:32:02 -0000	1.12.2.2
@@ -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
     choice:optional,array
     correct:optional,array
     {num_choices:integer,optional 5}
Index: openacs-4/packages/assessment/www/asm-admin/item-edit-oq.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-edit-oq.tcl,v
diff -u -N -r1.6 -r1.6.6.1
--- openacs-4/packages/assessment/www/asm-admin/item-edit-oq.tcl	15 May 2007 20:14:18 -0000	1.6
+++ openacs-4/packages/assessment/www/asm-admin/item-edit-oq.tcl	18 Aug 2014 20:32:02 -0000	1.6.6.1
@@ -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_bar:onevalue
     page_title:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/item-edit-sa.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-edit-sa.tcl,v
diff -u -N -r1.6 -r1.6.6.1
--- openacs-4/packages/assessment/www/asm-admin/item-edit-sa.tcl	15 May 2007 20:14:18 -0000	1.6
+++ openacs-4/packages/assessment/www/asm-admin/item-edit-sa.tcl	18 Aug 2014 20:32:02 -0000	1.6.6.1
@@ -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
Index: openacs-4/packages/assessment/www/asm-admin/item-edit.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-edit.tcl,v
diff -u -N -r1.13.4.1 -r1.13.4.2
--- openacs-4/packages/assessment/www/asm-admin/item-edit.tcl	18 Aug 2014 20:25:06 -0000	1.13.4.1
+++ openacs-4/packages/assessment/www/asm-admin/item-edit.tcl	18 Aug 2014 20:32:02 -0000	1.13.4.2
@@ -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
Index: openacs-4/packages/assessment/www/asm-admin/item-stats.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-stats.tcl,v
diff -u -N -r1.6.4.1 -r1.6.4.2
--- openacs-4/packages/assessment/www/asm-admin/item-stats.tcl	18 Aug 2014 20:25:07 -0000	1.6.4.1
+++ openacs-4/packages/assessment/www/asm-admin/item-stats.tcl	18 Aug 2014 20:32:02 -0000	1.6.4.2
@@ -9,12 +9,12 @@
     @arch-tag: 5b26edbe-3bed-464a-b76c-3bf4d0b6ab3c
     @cvs-id $Id$
 } {
-    assessment_id:integer,optional
+    assessment_id:naturalnum,optional
     assessment_id_list:optional
     return_url:notnull
-    as_item_id:integer,notnull,optional
-    section_id:integer,optional
-    catalog_section_id:integer,optional
+    as_item_id:naturalnum,notnull,optional
+    section_id:naturalnum,optional
+    catalog_section_id:naturalnum,optional
     session_id_list:optional
 } -properties {
 } -validate {
Index: openacs-4/packages/assessment/www/asm-admin/item-swap.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/item-swap.tcl,v
diff -u -N -r1.5 -r1.5.4.1
--- openacs-4/packages/assessment/www/asm-admin/item-swap.tcl	29 Aug 2008 19:10:53 -0000	1.5
+++ openacs-4/packages/assessment/www/asm-admin/item-swap.tcl	18 Aug 2014 20:32:03 -0000	1.5.4.1
@@ -10,8 +10,8 @@
   @cvs-id $Id: item-swap.tcl
 
 } {
-    assessment_id:integer,notnull
-    section_id:integer,notnull
+    assessment_id:naturalnum,notnull
+    section_id:naturalnum,notnull
     sort_order:integer,notnull
     direction:notnull
     return_url:optional
Index: openacs-4/packages/assessment/www/asm-admin/one-a.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/one-a.tcl,v
diff -u -N -r1.13.6.1 -r1.13.6.2
--- openacs-4/packages/assessment/www/asm-admin/one-a.tcl	18 Aug 2014 20:25:07 -0000	1.13.6.1
+++ openacs-4/packages/assessment/www/asm-admin/one-a.tcl	18 Aug 2014 20:32:03 -0000	1.13.6.2
@@ -8,7 +8,7 @@
     @date   September 28, 2004
     @cvs-id $Id: 
 } {
-    assessment_id:integer
+    assessment_id:naturalnum,notnull
     {context ""}
     {reg_p ""}
     {asm_instance ""}
Index: openacs-4/packages/assessment/www/asm-admin/one-section.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/one-section.tcl,v
diff -u -N -r1.2 -r1.2.6.1
--- openacs-4/packages/assessment/www/asm-admin/one-section.tcl	15 May 2007 20:14:18 -0000	1.2
+++ openacs-4/packages/assessment/www/asm-admin/one-section.tcl	18 Aug 2014 20:32:03 -0000	1.2.6.1
@@ -9,8 +9,8 @@
     @date   October 28, 2006
 
 } {
-    assessment_id:integer
-    section_id:integer
+    assessment_id:naturalnum,notnull
+    section_id:naturalnum,notnull
 }
 
 set package_id [ad_conn package_id]
Index: openacs-4/packages/assessment/www/asm-admin/permissions-user-add.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/permissions-user-add.tcl,v
diff -u -N -r1.1 -r1.1.10.1
--- openacs-4/packages/assessment/www/asm-admin/permissions-user-add.tcl	3 Feb 2005 14:44:51 -0000	1.1
+++ openacs-4/packages/assessment/www/asm-admin/permissions-user-add.tcl	18 Aug 2014 20:32:03 -0000	1.1.10.1
@@ -5,7 +5,7 @@
     @creation-date 2003-06-13
     @cvs-id $Id$
 } {
-    object_id:integer
+    object_id:naturalnum,notnull
     
 }
 
Index: openacs-4/packages/assessment/www/asm-admin/permissions.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/permissions.tcl,v
diff -u -N -r1.2 -r1.2.12.1
--- openacs-4/packages/assessment/www/asm-admin/permissions.tcl	8 Apr 2005 01:06:38 -0000	1.2
+++ openacs-4/packages/assessment/www/asm-admin/permissions.tcl	18 Aug 2014 20:32:03 -0000	1.2.12.1
@@ -4,7 +4,7 @@
     @creation-date 2004-11-09
     
 } {
-    object_id:integer
+    object_id:naturalnum,notnull
 } -properties {
     context:onevalue
     page_title:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/questions.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/questions.tcl,v
diff -u -N -r1.4 -r1.4.4.1
--- openacs-4/packages/assessment/www/asm-admin/questions.tcl	1 Dec 2008 16:57:03 -0000	1.4
+++ openacs-4/packages/assessment/www/asm-admin/questions.tcl	18 Aug 2014 20:32:03 -0000	1.4.4.1
@@ -8,7 +8,7 @@
     @date   January 15, 2007
 
 } {
-    assessment_id:integer
+    assessment_id:naturalnum,notnull
 }
 
 set package_id [ad_conn package_id]
Index: openacs-4/packages/assessment/www/asm-admin/request-notification.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/request-notification.tcl,v
diff -u -N -r1.3.12.1 -r1.3.12.2
--- openacs-4/packages/assessment/www/asm-admin/request-notification.tcl	18 Aug 2014 20:27:51 -0000	1.3.12.1
+++ openacs-4/packages/assessment/www/asm-admin/request-notification.tcl	18 Aug 2014 20:32:03 -0000	1.3.12.2
@@ -4,9 +4,9 @@
     @create-date 2005-01-19
 
 } {
-  inter_item_check_id:integer,notnull
-  assessment_id
-  section_id
+  inter_item_check_id:naturalnum,notnull
+  assessment_id:naturalnum,notnull
+  section_id:naturalnum,notnull
 }
 
 set package_id [ad_conn package_id]
Index: openacs-4/packages/assessment/www/asm-admin/results-edit.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/results-edit.tcl,v
diff -u -N -r1.4 -r1.4.8.1
--- openacs-4/packages/assessment/www/asm-admin/results-edit.tcl	26 Sep 2006 00:22:46 -0000	1.4
+++ openacs-4/packages/assessment/www/asm-admin/results-edit.tcl	18 Aug 2014 20:32:03 -0000	1.4.8.1
@@ -4,9 +4,9 @@
     @author Timo Hentschel (timo@timohentschel.de)
     @cvs-id $Id:
 } {
-    session_id:integer
-    section_id:integer
-    as_item_id:integer
+    session_id:naturalnum,notnull
+    section_id:naturalnum,notnull
+    as_item_id:naturalnum,notnull
 } -properties {
     context:onevalue
     page_title:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/results-export.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/results-export.tcl,v
diff -u -N -r1.13.2.1 -r1.13.2.2
--- openacs-4/packages/assessment/www/asm-admin/results-export.tcl	18 Aug 2014 20:25:07 -0000	1.13.2.1
+++ openacs-4/packages/assessment/www/asm-admin/results-export.tcl	18 Aug 2014 20:32:03 -0000	1.13.2.2
@@ -4,7 +4,7 @@
     @author Timo Hentschel (timo@timohentschel.de)
     @cvs-id $Id:
 } {
-    assessment_id:integer
+    assessment_id:naturalnum,notnull
 } -properties {
     context:onevalue
     page_title:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/results-session.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/results-session.tcl,v
diff -u -N -r1.8.4.1 -r1.8.4.2
--- openacs-4/packages/assessment/www/asm-admin/results-session.tcl	18 Aug 2014 20:25:07 -0000	1.8.4.1
+++ openacs-4/packages/assessment/www/asm-admin/results-session.tcl	18 Aug 2014 20:32:03 -0000	1.8.4.2
@@ -6,7 +6,7 @@
     @date   2005-02-16
     @cvs-id $Id: 
 } {
-    session_id:integer
+    session_id:naturalnum,notnull
 } -properties {
     context:onevalue
     page_title:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/results-users.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/results-users.tcl,v
diff -u -N -r1.15.4.1 -r1.15.4.2
--- openacs-4/packages/assessment/www/asm-admin/results-users.tcl	18 Aug 2014 20:25:07 -0000	1.15.4.1
+++ openacs-4/packages/assessment/www/asm-admin/results-users.tcl	18 Aug 2014 20:32:04 -0000	1.15.4.2
@@ -5,7 +5,7 @@
     @author Timo Hentschel (timo@timohentschel.de)
     @creation-date 2005-01-24
 } {
-    assessment_id
+    assessment_id:naturalnum,notnull
     {start_time:optional ""}
     {end_time:optional ""}
     status:optional,notnull
Index: openacs-4/packages/assessment/www/asm-admin/save-answer-set.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/save-answer-set.tcl,v
diff -u -N -r1.2 -r1.2.6.1
--- openacs-4/packages/assessment/www/asm-admin/save-answer-set.tcl	7 Oct 2007 22:36:54 -0000	1.2
+++ openacs-4/packages/assessment/www/asm-admin/save-answer-set.tcl	18 Aug 2014 20:32:04 -0000	1.2.6.1
@@ -4,9 +4,9 @@
     @author Timo Hentschel (timo@timohentschel.de)
     @cvs-id $Id:
 } {
-    assessment_id:integer
-    as_item_id:integer
-    mc_id:integer
+    assessment_id:naturalnum,notnull
+    as_item_id:naturalnum,notnull
+    mc_id:naturalnum,notnull
     return_url
 } -properties {
     context:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/section-copy.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/section-copy.tcl,v
diff -u -N -r1.4.8.1 -r1.4.8.2
--- openacs-4/packages/assessment/www/asm-admin/section-copy.tcl	18 Aug 2014 20:25:07 -0000	1.4.8.1
+++ openacs-4/packages/assessment/www/asm-admin/section-copy.tcl	18 Aug 2014 20:32:04 -0000	1.4.8.2
@@ -4,8 +4,8 @@
     @author Timo Hentschel (timo@timohentschel.de)
     @cvs-id $Id:
 } {
-    assessment_id:integer
-    section_id:integer
+    assessment_id:naturalnum,notnull
+    section_id:naturalnum,notnull
     after:integer
 } -properties {
     context_bar:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/section-delete.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/section-delete.tcl,v
diff -u -N -r1.6 -r1.6.6.1
--- openacs-4/packages/assessment/www/asm-admin/section-delete.tcl	15 May 2007 20:14:18 -0000	1.6
+++ openacs-4/packages/assessment/www/asm-admin/section-delete.tcl	18 Aug 2014 20:32:04 -0000	1.6.6.1
@@ -4,8 +4,8 @@
     @author Timo Hentschel (timo@timohentschel.de)
     @cvs-id $Id:
 } {
-    assessment_id:integer
-    section_id:integer
+    assessment_id:naturalnum,notnull
+    section_id:naturalnum,notnull
 } -properties {
     context_bar:onevalue
     page_title:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/section-display-form.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/section-display-form.tcl,v
diff -u -N -r1.5 -r1.5.8.1
--- openacs-4/packages/assessment/www/asm-admin/section-display-form.tcl	12 Jun 2006 02:49:51 -0000	1.5
+++ openacs-4/packages/assessment/www/asm-admin/section-display-form.tcl	18 Aug 2014 20:32:04 -0000	1.5.8.1
@@ -4,9 +4,9 @@
     @author Timo Hentschel (timo@timohentschel.de)
     @cvs-id $Id:
 } {
-    assessment_id:integer
-    section_id:integer,optional
-    display_type_id:integer,optional
+    assessment_id:naturalnum,notnull
+    section_id:naturalnum,optional
+    display_type_id:naturalnum,optional
 } -properties {
     context:onevalue
     page_title:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/section-form.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/section-form.tcl,v
diff -u -N -r1.9.4.1 -r1.9.4.2
--- openacs-4/packages/assessment/www/asm-admin/section-form.tcl	18 Aug 2014 20:25:08 -0000	1.9.4.1
+++ openacs-4/packages/assessment/www/asm-admin/section-form.tcl	18 Aug 2014 20:32:04 -0000	1.9.4.2
@@ -4,8 +4,8 @@
     @author Timo Hentschel (timo@timohentschel.de)
     @cvs-id $Id:
 } {
-    assessment_id:integer
-    section_id:integer,optional
+    assessment_id:naturalnum,notnull
+    section_id:naturalnum,optional
     {after:integer,optional 1}
     {__new_p 0}
 } -properties {
Index: openacs-4/packages/assessment/www/asm-admin/section-select.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/section-select.tcl,v
diff -u -N -r1.4.12.1 -r1.4.12.2
--- openacs-4/packages/assessment/www/asm-admin/section-select.tcl	18 Aug 2014 20:25:08 -0000	1.4.12.1
+++ openacs-4/packages/assessment/www/asm-admin/section-select.tcl	18 Aug 2014 20:32:04 -0000	1.4.12.2
@@ -5,11 +5,11 @@
     
     This page allows to add branches or actions to the question and its choices.    
 } {
-    assessment_id:integer
-    inter_item_check_id:integer
-    section_id:integer
+    assessment_id:naturalnum,notnull
+    inter_item_check_id:naturalnum,notnull
+    section_id:naturalnum,notnull
     by_item_p:optional
-    item_id:optional
+    item_id:naturalnum,optional
 } -properties {
     context:onevalue
     title:onevalue
Index: openacs-4/packages/assessment/www/asm-admin/section-swap.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/section-swap.tcl,v
diff -u -N -r1.3 -r1.3.6.1
--- openacs-4/packages/assessment/www/asm-admin/section-swap.tcl	15 May 2007 20:14:18 -0000	1.3
+++ openacs-4/packages/assessment/www/asm-admin/section-swap.tcl	18 Aug 2014 20:32:04 -0000	1.3.6.1
@@ -10,7 +10,7 @@
   @cvs-id $Id: section-swap.tcl
 
 } {
-    assessment_id:integer,notnull
+    assessment_id:naturalnum,notnull
     sort_order:integer,notnull
     direction:notnull
 }
Index: openacs-4/packages/assessment/www/asm-admin/session-delete.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/session-delete.tcl,v
diff -u -N -r1.8 -r1.8.6.1
--- openacs-4/packages/assessment/www/asm-admin/session-delete.tcl	20 Feb 2008 17:38:38 -0000	1.8
+++ openacs-4/packages/assessment/www/asm-admin/session-delete.tcl	18 Aug 2014 20:32:04 -0000	1.8.6.1
@@ -1,9 +1,9 @@
 ad_page_contract {
     Delete a users sessions for a particular assessment
 } {
-    assessment_id:integer
-    subject_id:integer
-    orig_session_id:integer,optional
+    assessment_id:naturalnum,notnull
+    subject_id:naturalnum,notnull
+    orig_session_id:naturalnum,optional
     {return_url ""}
 } 
 
Index: openacs-4/packages/assessment/www/asm-admin/sessions.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/sessions.tcl,v
diff -u -N -r1.6.4.1 -r1.6.4.2
--- openacs-4/packages/assessment/www/asm-admin/sessions.tcl	18 Aug 2014 20:25:08 -0000	1.6.4.1
+++ openacs-4/packages/assessment/www/asm-admin/sessions.tcl	18 Aug 2014 20:32:04 -0000	1.6.4.2
@@ -10,8 +10,8 @@
     @arch-tag: cdb2d596-15fc-45ba-9ce1-d648a49a20b7
     @cvs-id $Id$
 } {
-    assessment_id:integer,optional,notnull
-    subject_id:integer,optional,notnull
+    assessment_id:naturalnum,optional,notnull
+    subject_id:naturalnum,optional,notnull
     status:optional,notnull
 } -properties {
 } -validate {
Index: openacs-4/packages/assessment/www/asm-admin/swap-actions.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/swap-actions.tcl,v
diff -u -N -r1.2 -r1.2.8.1
--- openacs-4/packages/assessment/www/asm-admin/swap-actions.tcl	26 Sep 2006 00:22:46 -0000	1.2
+++ openacs-4/packages/assessment/www/asm-admin/swap-actions.tcl	18 Aug 2014 20:32:04 -0000	1.2.8.1
@@ -5,12 +5,12 @@
     
     This page allows to swap action up and down
 } {
-    section_id:integer
-    check_id:integer
+    section_id:naturalnum,notnull
+    check_id:naturalnum,notnull
     action_perform
     order_by:integer
     direction
-    assessment_id:integer
+    assessment_id:naturalnum,notnull
 }
 
 permission::require_permission \
Index: openacs-4/packages/assessment/www/asm-admin/toggle-boolean.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/toggle-boolean.tcl,v
diff -u -N -r1.2 -r1.2.6.1
--- openacs-4/packages/assessment/www/asm-admin/toggle-boolean.tcl	15 May 2007 20:14:18 -0000	1.2
+++ openacs-4/packages/assessment/www/asm-admin/toggle-boolean.tcl	18 Aug 2014 20:32:05 -0000	1.2.6.1
@@ -1,7 +1,7 @@
 ad_page_contract {
     Toggle a boolean parameter
 } {
-    assessment_id:integer,notnull
+    assessment_id:naturalnum,notnull
     param:sql_identifier,notnull
 }
 
Index: openacs-4/packages/assessment/www/asm-admin/toggle-publish.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/toggle-publish.tcl,v
diff -u -N -r1.5 -r1.5.4.1
--- openacs-4/packages/assessment/www/asm-admin/toggle-publish.tcl	29 Aug 2008 19:06:28 -0000	1.5
+++ openacs-4/packages/assessment/www/asm-admin/toggle-publish.tcl	18 Aug 2014 20:32:05 -0000	1.5.4.1
@@ -1,7 +1,7 @@
 ad_page_contract {
     Publish or unpublish an assessment
 } {
-    assessment_id:integer,notnull
+    assessment_id:naturalnum,notnull
     {return_url ""}
 }
 
Index: openacs-4/packages/assessment/www/asm-admin/toggle-type.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/toggle-type.tcl,v
diff -u -N -r1.2 -r1.2.6.1
--- openacs-4/packages/assessment/www/asm-admin/toggle-type.tcl	15 May 2007 20:14:18 -0000	1.2
+++ openacs-4/packages/assessment/www/asm-admin/toggle-type.tcl	18 Aug 2014 20:32:05 -0000	1.2.6.1
@@ -1,7 +1,7 @@
 ad_page_contract {
     Toggle type between 'survey' and 'test'
 } {
-    assessment_id:integer,notnull
+    assessment_id:naturalnum,notnull
 }
 
 permission::require_permission \
Index: openacs-4/packages/assessment/www/asm-admin/unsubscribe.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/unsubscribe.tcl,v
diff -u -N -r1.2 -r1.2.8.1
--- openacs-4/packages/assessment/www/asm-admin/unsubscribe.tcl	26 Sep 2006 00:22:46 -0000	1.2
+++ openacs-4/packages/assessment/www/asm-admin/unsubscribe.tcl	18 Aug 2014 20:32:05 -0000	1.2.8.1
@@ -4,11 +4,11 @@
     @creation_date 2005-01-19
     
 } {
-    inter_item_check_id:notnull
-    request_id:multiple
-    type_id     
-    assessment_id
-    section_id
+    inter_item_check_id:naturalnum,notnull
+    request_id:naturalnum,multiple
+    type_id:naturalnum,notnull     
+    assessment_id:naturalnum,notnull
+    section_id:naturalnum,notnull
 } 
 
 permission::require_permission \
Index: openacs-4/packages/assessment/www/asm-admin/view-item-responses.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/assessment/www/asm-admin/view-item-responses.tcl,v
diff -u -N -r1.2 -r1.2.4.1
--- openacs-4/packages/assessment/www/asm-admin/view-item-responses.tcl	16 Apr 2009 12:01:24 -0000	1.2
+++ openacs-4/packages/assessment/www/asm-admin/view-item-responses.tcl	18 Aug 2014 20:32:05 -0000	1.2.4.1
@@ -9,8 +9,8 @@
     @arch-tag: d97c0cf0-0f43-4958-86ca-2a3d2816f31d
     @cvs-id $Id$
 } {
-    item_id:integer,notnull
-    section_id:integer,notnull
+    item_id:naturalnum,notnull
+    section_id:naturalnum,notnull
     return_url:notnull
 } -properties {
 } -validate {