Index: openacs-4/packages/acs-subsite/www/shared/portrait-bits.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-subsite/www/shared/portrait-bits.tcl,v
diff -u -r1.9 -r1.10
--- openacs-4/packages/acs-subsite/www/shared/portrait-bits.tcl	31 Mar 2009 15:00:13 -0000	1.9
+++ openacs-4/packages/acs-subsite/www/shared/portrait-bits.tcl	27 Oct 2014 16:40:02 -0000	1.10
@@ -5,8 +5,8 @@
     @creation-date 26 Sept 1999
     @cvs-id $Id$
 } {
-    user_id:integer
-    {item_id ""}
+    user_id:naturalnum,notnull
+    {item_id:naturalnum ""}
     {size ""}
 }
 
@@ -15,7 +15,7 @@
 if {$item_id eq ""} {
     if { ![db_0or1row get_item_id ""] } {
 	#    ad_return_error "Couldn't find portrait" "Couldn't find a portrait for User $user_id"
-	ad_return_string_as_file -string "" -mime_type "image/jpeg" -filename ""
+	#ad_return_string_as_file -string "" -mime_type "image/jpeg" -filename ""
 	return
     }
 }