--- loncom/homework/rankresponse.pm	2004/03/08 23:23:04	1.30
+++ loncom/homework/rankresponse.pm	2004/03/15 22:09:52	1.31
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # rank style response
 #
-# $Id: rankresponse.pm,v 1.30 2004/03/08 23:23:04 albertel Exp $
+# $Id: rankresponse.pm,v 1.31 2004/03/15 22:09:52 albertel Exp $
 # Copyright Michigan State University Board of Trustees
 #
 # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
@@ -415,6 +415,7 @@ sub end_foil {
 	    if (defined($Apache::response::foilnames{$name})) {
 		&Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name));
 	    }
+	    $Apache::response::foilnames{$name}++;
 	    my $location =&Apache::lonxml::get_param('location',$parstack,
 						     $safeeval);
 	    if ( $Apache::rankresponse::conceptgroup