--- loncom/homework/matchresponse.pm	2014/02/27 14:41:34	1.90
+++ loncom/homework/matchresponse.pm	2016/01/22 22:42:51	1.93
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Full matching style response
 #
-# $Id: matchresponse.pm,v 1.90 2014/02/27 14:41:34 bisitz Exp $
+# $Id: matchresponse.pm,v 1.93 2016/01/22 22:42:51 damieng Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -55,7 +55,7 @@ sub start_matchresponse {
 	$result=&Apache::response::meta_package_write('matchresponse');
     } elsif ($target eq 'edit' ) {
 	$result.=&Apache::edit::start_table($token).
-	    '<tr><td>'.&Apache::lonxml::description($token).'</td>'
+	    '<tr><td>'.&Apache::loncommon::insert_folding_button().&Apache::lonxml::description($token).'</td>'
            .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
 	   .&Apache::edit::deletelist($target,$token)
            .'</span></td>'
@@ -171,7 +171,7 @@ sub end_itemgroup {
     }
     if ($target eq 'web') {
 	
-	my $table='<br /><table>'; # extra space to match what latex does.
+	my $table='<table class="LC_itemgroup">'; # extra space to match what latex does.
         if ((!$columns) || ($columns < 0)) {
             if ($direction eq 'horizontal') {
                 if (@names > 0) { 
@@ -319,7 +319,8 @@ sub start_foilgroup {
     &Apache::response::pushrandomnumber(undef,$target);
     if ($target eq 'edit') {
 	$result.=&Apache::edit::start_table($token)
-	    .'<tr><td>'.&mt('Collection Of Foils').'</td>'
+	    .'<tr><td>'.&Apache::loncommon::insert_folding_button()
+            .&mt('Collection Of Foils').'</td>'
             .'<td><span class="LC_nobreak">'.&mt('Delete?')
 	    .&Apache::edit::deletelist($target,$token)
 	    .'</span></td>'
@@ -581,6 +582,9 @@ sub format_prior_answer {
     
     foreach my $name (@{ $foil_order }) {
 	my $item = &HTML::Entities::encode(shift(@items),'<>&"');
+        if ($item eq '') {
+            $item = '&nbsp;';
+        }
 	$output .= '<tr><td>'.$item.'</td></tr>';
     }
     return if (!defined($output));