Index: openacs-4/packages/dotlrn-homework/www/file-copy-2.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn-homework/www/file-copy-2.tcl,v
diff -u -N -r1.2.18.3 -r1.2.18.4
--- openacs-4/packages/dotlrn-homework/www/file-copy-2.tcl	18 Aug 2014 21:58:07 -0000	1.2.18.3
+++ openacs-4/packages/dotlrn-homework/www/file-copy-2.tcl	23 Aug 2014 13:01:26 -0000	1.2.18.4
@@ -5,8 +5,8 @@
     @creation-date 14 Nov 2000
     @cvs-id $Id$
 } {
-    file_id:naturalnum,notnull
-    parent_id:naturalnum,notnull
+    file_id:integer,notnull
+    parent_id:integer,notnull
 } -validate {
     valid_file -requires {file_id} {
 	if {![fs_file_p $file_id]} {
Index: openacs-4/packages/dotlrn-homework/www/file-copy.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn-homework/www/file-copy.tcl,v
diff -u -N -r1.3.12.3 -r1.3.12.4
--- openacs-4/packages/dotlrn-homework/www/file-copy.tcl	18 Aug 2014 21:58:07 -0000	1.3.12.3
+++ openacs-4/packages/dotlrn-homework/www/file-copy.tcl	23 Aug 2014 13:01:26 -0000	1.3.12.4
@@ -5,7 +5,7 @@
     @creation-date 14 Nov 2000
     @cvs-id $Id$
 } {
-    file_id:naturalnum,notnull
+    file_id:integer,notnull
 } -validate {
     valid_file -requires {file_id} {
 	if {![fs_file_p $file_id]} {
Index: openacs-4/packages/dotlrn-homework/www/file-delete.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn-homework/www/file-delete.tcl,v
diff -u -N -r1.4.12.3 -r1.4.12.4
--- openacs-4/packages/dotlrn-homework/www/file-delete.tcl	18 Aug 2014 21:58:07 -0000	1.4.12.3
+++ openacs-4/packages/dotlrn-homework/www/file-delete.tcl	23 Aug 2014 13:01:26 -0000	1.4.12.4
@@ -5,7 +5,7 @@
     @creation-date 10 Nov 2000
     @cvs-id $Id$
 } {
-    file_id:naturalnum,notnull
+    file_id:integer,notnull
     {confirmed_p "f"}
 } -validate {
     valid_file -requires {file_id} {
Index: openacs-4/packages/dotlrn-homework/www/file-move-2.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn-homework/www/file-move-2.tcl,v
diff -u -N -r1.3.12.3 -r1.3.12.4
--- openacs-4/packages/dotlrn-homework/www/file-move-2.tcl	18 Aug 2014 21:58:07 -0000	1.3.12.3
+++ openacs-4/packages/dotlrn-homework/www/file-move-2.tcl	23 Aug 2014 13:01:26 -0000	1.3.12.4
@@ -5,8 +5,8 @@
     @creation-date 13 Nov 2000
     @cvs-id $Id$
 } {
-    file_id:naturalnum,notnull
-    parent_id:naturalnum,notnull
+    file_id:integer,notnull
+    parent_id:integer,notnull
 } -validate {
     valid_file -requires {file_id} {
 	if {![fs_file_p $file_id]} {
Index: openacs-4/packages/dotlrn-homework/www/file-move.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn-homework/www/file-move.tcl,v
diff -u -N -r1.2.18.3 -r1.2.18.4
--- openacs-4/packages/dotlrn-homework/www/file-move.tcl	18 Aug 2014 21:58:07 -0000	1.2.18.3
+++ openacs-4/packages/dotlrn-homework/www/file-move.tcl	23 Aug 2014 13:01:26 -0000	1.2.18.4
@@ -6,7 +6,7 @@
     @creation-date 13 Nov 2000
     @cvs-id $Id$
 } {
-    file_id:naturalnum,notnull
+    file_id:integer,notnull
     name:notnull
 } -validate {
     valid_file -requires {file_id} {
Index: openacs-4/packages/dotlrn-homework/www/file.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn-homework/www/file.tcl,v
diff -u -N -r1.4.12.3 -r1.4.12.4
--- openacs-4/packages/dotlrn-homework/www/file.tcl	18 Aug 2014 21:58:08 -0000	1.4.12.3
+++ openacs-4/packages/dotlrn-homework/www/file.tcl	23 Aug 2014 13:01:26 -0000	1.4.12.4
@@ -10,8 +10,8 @@
     @author Don Baccus (dhogaza@pacifier.com)
 
 } {
-    file_id:naturalnum,notnull
-    folder_id:naturalnum,notnull
+    file_id:integer,notnull
+    folder_id:integer,notnull
     {show_all_versions_p "f"}
 } -validate {
     valid_file -requires {file_id} {
Index: openacs-4/packages/dotlrn-homework/www/folder-contents.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn-homework/www/folder-contents.tcl,v
diff -u -N -r1.4.12.2 -r1.4.12.3
--- openacs-4/packages/dotlrn-homework/www/folder-contents.tcl	18 Aug 2014 21:58:08 -0000	1.4.12.2
+++ openacs-4/packages/dotlrn-homework/www/folder-contents.tcl	23 Aug 2014 13:01:26 -0000	1.4.12.3
@@ -5,7 +5,7 @@
     @author Don Baccus (dhogaza@pacifier.com)
 
 } {
-    folder_id:naturalnum,notnull
+    folder_id:integer,notnull
     {min_level:integer ""}
     {max_level:integer ""}
 } -validate {
Index: openacs-4/packages/dotlrn-homework/www/folder-create.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn-homework/www/folder-create.tcl,v
diff -u -N -r1.3.12.3 -r1.3.12.4
--- openacs-4/packages/dotlrn-homework/www/folder-create.tcl	18 Aug 2014 21:58:08 -0000	1.3.12.3
+++ openacs-4/packages/dotlrn-homework/www/folder-create.tcl	23 Aug 2014 13:01:27 -0000	1.3.12.4
@@ -6,7 +6,7 @@
     @creation-date 7 Nov 2000
     @cvs-id $Id$
 } {
-    parent_id:naturalnum,notnull
+    parent_id:integer,notnull
     return_url:notnull
 } -validate {
     valid_folder -requires {parent_id:integer} {
Index: openacs-4/packages/dotlrn-homework/www/folder-delete.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn-homework/www/folder-delete.tcl,v
diff -u -N -r1.3.12.3 -r1.3.12.4
--- openacs-4/packages/dotlrn-homework/www/folder-delete.tcl	18 Aug 2014 21:58:08 -0000	1.3.12.3
+++ openacs-4/packages/dotlrn-homework/www/folder-delete.tcl	23 Aug 2014 13:01:27 -0000	1.3.12.4
@@ -7,7 +7,7 @@
     @creation-date 10 November 2000
     @cvs-id $Id$
 } {
-    folder_id:naturalnum,notnull
+    folder_id:integer,notnull
     {confirmed_p "f"}
 } -validate {
     valid_folder -requires {folder_id:integer} {
Index: openacs-4/packages/dotlrn-homework/www/toggle-homework-alert.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn-homework/www/toggle-homework-alert.tcl,v
diff -u -N -r1.3.18.3 -r1.3.18.4
--- openacs-4/packages/dotlrn-homework/www/toggle-homework-alert.tcl	18 Aug 2014 21:58:08 -0000	1.3.18.3
+++ openacs-4/packages/dotlrn-homework/www/toggle-homework-alert.tcl	23 Aug 2014 13:01:27 -0000	1.3.18.4
@@ -9,9 +9,9 @@
     @creation-date 2002-07-25
     @cvs-id $Id$
 } {
-    folder_id:naturalnum,notnull
-    request_id:naturalnum,notnull
-    type_id:naturalnum,notnull
+    folder_id:integer,notnull
+    request_id:integer
+    type_id:integer,notnull
     subscribe_p:boolean,notnull
     return_url:notnull
 } -validate {
Index: openacs-4/packages/dotlrn-homework/www/version-add.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn-homework/www/version-add.tcl,v
diff -u -N -r1.4.6.3 -r1.4.6.4
--- openacs-4/packages/dotlrn-homework/www/version-add.tcl	18 Aug 2014 21:58:08 -0000	1.4.6.3
+++ openacs-4/packages/dotlrn-homework/www/version-add.tcl	23 Aug 2014 13:01:27 -0000	1.4.6.4
@@ -5,8 +5,8 @@
     Don Baccus (dhogaza@pacifier.com)
 
 } {
-    file_id:naturalnum,notnull
-    folder_id:naturalnum,notnull
+    file_id:integer,notnull
+    folder_id:integer,notnull
     name:notnull
     return_url:notnull
 } -validate {
Index: openacs-4/packages/dotlrn-homework/www/version-delete.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn-homework/www/version-delete.tcl,v
diff -u -N -r1.4.12.3 -r1.4.12.4
--- openacs-4/packages/dotlrn-homework/www/version-delete.tcl	18 Aug 2014 21:58:08 -0000	1.4.12.3
+++ openacs-4/packages/dotlrn-homework/www/version-delete.tcl	23 Aug 2014 13:01:27 -0000	1.4.12.4
@@ -5,7 +5,7 @@
     @creation-date 10 November 2000
     @cvs-id $Id$
 } {
-    version_id:naturalnum,notnull
+    version_id:integer,notnull
     {confirmed_p "f"}
 } -validate {
     valid_version -requires {version_id} {