Index: openacs-4/packages/acs-developer-support/www/set-user.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-developer-support/www/set-user.tcl,v
diff -u -r1.1.1.1.26.1 -r1.1.1.1.26.2
--- openacs-4/packages/acs-developer-support/www/set-user.tcl	6 Sep 2013 16:01:45 -0000	1.1.1.1.26.1
+++ openacs-4/packages/acs-developer-support/www/set-user.tcl	5 Aug 2014 12:46:53 -0000	1.1.1.1.26.2
@@ -1,7 +1,7 @@
 ad_page_contract {
     A hack that will allow us to simulate being a different user
 } {
-    user_id:integer
+    user_id:naturalnum,notnull
     return_url
 }