Index: openacs-4/packages/acs-subsite/www/pvt/hide-email.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-subsite/www/pvt/hide-email.tcl,v
diff -u -r1.2 -r1.2.16.1
--- openacs-4/packages/acs-subsite/www/pvt/hide-email.tcl	13 Jan 2005 13:55:50 -0000	1.2
+++ openacs-4/packages/acs-subsite/www/pvt/hide-email.tcl	5 Aug 2014 09:49:26 -0000	1.2.16.1
@@ -4,7 +4,7 @@
     changes show_email field in user's table
 } {
     hide:notnull
-    user_id:notnull
+    user_id:naturalnum,notnull
 }
 
 db_dml update_show_email { }