--- loncom/homework/optionresponse.pm	2005/06/21 21:00:55	1.128
+++ loncom/homework/optionresponse.pm	2005/06/22 12:03:23	1.129
@@ -1,7 +1,7 @@
 # LearningOnline Network with CAPA
 # option list style responses
 #
-# $Id: optionresponse.pm,v 1.128 2005/06/21 21:00:55 albertel Exp $
+# $Id: optionresponse.pm,v 1.129 2005/06/22 12:03:23 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -632,7 +632,7 @@ sub end_foil {
     if ($value ne 'unused') {
       my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
       &Apache::lonxml::debug("Got a name of :$name:");
-      if (!$name) {
+      if ($name eq "") {
 	  &Apache::lonxml::warning("Foils without names exist. This can cause problems to malfunction.");
 	  $name=$Apache::lonxml::curdepth;
       }