Index: openacs-4/packages/general-comments/www/comment-add-2.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/general-comments/www/comment-add-2.tcl,v
diff -u -N -r1.6.20.3 -r1.6.20.4
--- openacs-4/packages/general-comments/www/comment-add-2.tcl	29 Jul 2014 11:24:07 -0000	1.6.20.3
+++ openacs-4/packages/general-comments/www/comment-add-2.tcl	5 Aug 2014 09:29:51 -0000	1.6.20.4
@@ -13,7 +13,7 @@
     title:notnull
     content:html,notnull
     comment_mime_type:notnull
-    { context_id "$object_id" }
+    { context_id:naturalnum "$object_id" }
     { category {} }
     { return_url {} }
 } -properties {
Index: openacs-4/packages/general-comments/www/comment-add-3.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/general-comments/www/comment-add-3.tcl,v
diff -u -N -r1.9.8.5 -r1.9.8.6
--- openacs-4/packages/general-comments/www/comment-add-3.tcl	29 Jul 2014 11:24:07 -0000	1.9.8.5
+++ openacs-4/packages/general-comments/www/comment-add-3.tcl	5 Aug 2014 09:29:51 -0000	1.9.8.6
@@ -13,7 +13,7 @@
     title:notnull
     content:html,notnull
     comment_mime_type
-    { context_id "$object_id" }
+    { context_id:naturalnum "$object_id" }
     { category "" }
     { return_url "" }
     { attach_p "f" }
Index: openacs-4/packages/general-comments/www/comment-add.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/general-comments/www/comment-add.tcl,v
diff -u -N -r1.5.20.3 -r1.5.20.4
--- openacs-4/packages/general-comments/www/comment-add.tcl	29 Jul 2014 11:24:07 -0000	1.5.20.3
+++ openacs-4/packages/general-comments/www/comment-add.tcl	5 Aug 2014 09:29:51 -0000	1.5.20.4
@@ -10,7 +10,7 @@
 } { 
     object_id:naturalnum,notnull
     { object_name "[acs_object_name $object_id]" }
-    { context_id "$object_id" }
+    { context_id:naturalnum "$object_id" }
     { category "" }
     { return_url "" }
 } -properties {
Index: openacs-4/packages/general-comments/www/comment-edit.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/general-comments/www/comment-edit.tcl,v
diff -u -N -r1.5.20.3 -r1.5.20.4
--- openacs-4/packages/general-comments/www/comment-edit.tcl	29 Jul 2014 11:24:07 -0000	1.5.20.3
+++ openacs-4/packages/general-comments/www/comment-edit.tcl	5 Aug 2014 09:29:51 -0000	1.5.20.4
@@ -11,7 +11,7 @@
     @cvs-id $Id$
 } { 
     comment_id:naturalnum,notnull
-    { revision_id {} }
+    { revision_id:naturalnum {} }
     { return_url {} }
 } -properties {
     page_title:onevalue
Index: openacs-4/packages/general-comments/www/file-add.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/general-comments/www/file-add.tcl,v
diff -u -N -r1.4.20.2 -r1.4.20.3
--- openacs-4/packages/general-comments/www/file-add.tcl	6 Sep 2013 17:37:19 -0000	1.4.20.2
+++ openacs-4/packages/general-comments/www/file-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
Index: openacs-4/packages/general-comments/www/file-download.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/general-comments/www/file-download.tcl,v
diff -u -N -r1.3.26.1 -r1.3.26.2
--- openacs-4/packages/general-comments/www/file-download.tcl	6 Sep 2013 16:01:50 -0000	1.3.26.1
+++ openacs-4/packages/general-comments/www/file-download.tcl	5 Aug 2014 09:29:52 -0000	1.3.26.2
@@ -10,7 +10,7 @@
     @creation-date 2000-10-12
     @cvs-id $Id$
 } {
-    item_id:notnull
+    item_id:naturalnum,notnull
 }
 
 # check for permissions
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 -N -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
Index: openacs-4/packages/general-comments/www/view-comment.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/general-comments/www/view-comment.tcl,v
diff -u -N -r1.9.2.4 -r1.9.2.5
--- openacs-4/packages/general-comments/www/view-comment.tcl	3 Oct 2013 08:41:29 -0000	1.9.2.4
+++ openacs-4/packages/general-comments/www/view-comment.tcl	5 Aug 2014 09:29:52 -0000	1.9.2.5
@@ -8,8 +8,8 @@
     @creation-date 2000-10-12
     @cvs-id $Id$
 } { 
-    comment_id:notnull
-    { revision_id {} }
+    comment_id:naturalnum,notnull
+    { revision_id:naturalnum,optional {} }
     { object_name {} }
     { return_url {} }
 } -properties {
Index: openacs-4/packages/general-comments/www/view-image.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/general-comments/www/view-image.tcl,v
diff -u -N -r1.4.20.1 -r1.4.20.2
--- openacs-4/packages/general-comments/www/view-image.tcl	6 Sep 2013 16:01:50 -0000	1.4.20.1
+++ openacs-4/packages/general-comments/www/view-image.tcl	5 Aug 2014 09:29:52 -0000	1.4.20.2
@@ -8,7 +8,7 @@
     @creation-date 2000-10-12
     @cvs-id $Id$
 } {
-    image_id:notnull
+    image_id:naturalnum,notnull
     { return_url {} }
 } -properties {
     page_title:onevalue
Index: openacs-4/packages/general-comments/www/admin/toggle-approval.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/general-comments/www/admin/toggle-approval.tcl,v
diff -u -N -r1.2.26.2 -r1.2.26.3
--- openacs-4/packages/general-comments/www/admin/toggle-approval.tcl	29 Jul 2014 11:24:09 -0000	1.2.26.2
+++ openacs-4/packages/general-comments/www/admin/toggle-approval.tcl	5 Aug 2014 09:29:52 -0000	1.2.26.3
@@ -11,7 +11,7 @@
     @cvs-id $Id$
 } {
     comment_id:naturalnum,notnull
-    {revision_id {}}
+    {revision_id:naturalnum {}}
     {return_url {}}
 }