Index: openacs-4/packages/acs-api-browser/www/content-page-view.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-api-browser/www/content-page-view.tcl,v
diff -u -N -r1.10.2.2 -r1.10.2.3
--- openacs-4/packages/acs-api-browser/www/content-page-view.tcl	26 Jan 2016 07:52:41 -0000	1.10.2.2
+++ openacs-4/packages/acs-api-browser/www/content-page-view.tcl	13 May 2016 07:08:49 -0000	1.10.2.3
@@ -11,7 +11,7 @@
     @cvs-id $Id$
 } {
     version_id:naturalnum,optional
-    source_p:boolean,optional,trim
+    source_p:boolean,optional,trim,notnull
     path:trim,notnull
 } -properties {
     title:onevalue
Index: openacs-4/packages/acs-api-browser/www/proc-search.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-api-browser/www/proc-search.tcl,v
diff -u -N -r1.15.2.2 -r1.15.2.3
--- openacs-4/packages/acs-api-browser/www/proc-search.tcl	30 Dec 2015 12:54:34 -0000	1.15.2.2
+++ openacs-4/packages/acs-api-browser/www/proc-search.tcl	13 May 2016 07:08:49 -0000	1.15.2.3
@@ -13,13 +13,13 @@
     @creation-date Jul 14, 2000
     @cvs-id $Id$
 } {
-    {name_weight:optional 0}
-    {doc_weight:integer,optional 0}
-    {param_weight:integer,optional 0}
-    {source_weight:integer,optional 0}
+    {name_weight:notnull 0}
+    {doc_weight:integer,notnull 0}
+    {param_weight:integer,notnull 0}
+    {source_weight:integer,notnull 0}
     {search_type:optional 0}
-    {show_deprecated_p:boolean 0}
-    {show_private_p:boolean 0}
+    {show_deprecated_p:boolean,notnull 0}
+    {show_private_p:boolean,notnull 0}
     query_string
 } -properties {
     title:onevalue
Index: openacs-4/packages/acs-api-browser/www/procs-file-view.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-api-browser/www/procs-file-view.tcl,v
diff -u -N -r1.8.2.4 -r1.8.2.5
--- openacs-4/packages/acs-api-browser/www/procs-file-view.tcl	30 Dec 2015 12:54:35 -0000	1.8.2.4
+++ openacs-4/packages/acs-api-browser/www/procs-file-view.tcl	13 May 2016 07:08:49 -0000	1.8.2.5
@@ -3,10 +3,10 @@
 
     @cvs-id $Id$
 } {
-    version_id:naturalnum,optional
+    version_id:naturalnum,optional,notnull
     { public_p:boolean "" }
     path:path,trim
-    source_p:boolean,optional,trim
+    source_p:boolean,optional,trim,notnull
 } -properties {
     title:onevalue
     context:onevalue