--- loncom/homework/radiobuttonresponse.pm 2010/12/19 04:24:29 1.147
+++ loncom/homework/radiobuttonresponse.pm 2011/06/07 17:27:37 1.149
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# mutliple choice style responses
#
-# $Id: radiobuttonresponse.pm,v 1.147 2010/12/19 04:24:29 raeburn Exp $
+# $Id: radiobuttonresponse.pm,v 1.149 2011/06/07 17:27:37 www Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -336,7 +336,6 @@ sub displayallfoils {
my $i =0;
my $id=$Apache::inputtags::response['-1'];
my $part=$Apache::inputtags::part;
- my $lastresponse;
my ($lastresponse,$newvariation,$showanswer);
if ((($Apache::lonhomework::history{"resource.$part.type"} eq 'randomizetry') ||
($Apache::lonhomework::type eq 'randomizetry')) &&
@@ -816,6 +815,9 @@ sub end_foil {
&Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.'));
$name=$Apache::lonxml::curdepth;
}
+ if ($name eq "0") {
+ &Apache::lonxml::error(&mt('Foil name [_1] is not supported. Please choose another name.',''.$name.''));
+ }
if (defined($Apache::response::foilnames{$name})) {
&Apache::lonxml::error(&mt('Foil name [_1] appears more than once. Foil names need to be unique.',''.$name.''));
}