--- loncom/homework/rankresponse.pm	2013/04/30 03:03:34	1.69
+++ loncom/homework/rankresponse.pm	2018/06/07 15:58:11	1.74
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # rank style response
 #
-# $Id: rankresponse.pm,v 1.69 2013/04/30 03:03:34 raeburn Exp $
+# $Id: rankresponse.pm,v 1.74 2018/06/07 15:58:11 raeburn Exp $
 # Copyright Michigan State University Board of Trustees
 #
 # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
@@ -51,7 +51,8 @@ sub start_rankresponse {
 	$result=&Apache::response::meta_package_write('rankresponse');
     } elsif ($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>'
@@ -335,8 +336,11 @@ sub format_prior_answer {
     my %grading     =&Apache::lonnet::str2hash($other_data->[1]);
     my $output;
     foreach my $name (@{ $foil_order }) {
-	next if (!defined($lastresponse{$name}));
-	$output .= '<tr><td>'.$lastresponse{$name}.'</td></tr>';
+        if (defined($lastresponse{$name})) {
+            $output .= '<tr><td>'.&HTML::Entities::encode($lastresponse{$name},'<>&"').'</td></tr>';
+        } else {
+            $output .= '<tr><td>&nbsp;</td></tr>';
+        }
     }
     return if (!defined($output));
     $output =
@@ -358,7 +362,7 @@ sub displayfoils {
 	    my $text=$Apache::response::foilgroup{$name.'.text'};
 	    my $value=shift(@correctorder);
 	    if ($target eq 'web') {
-		$result.='<br /><b>'.$value.':</b> '.$text;
+		$result.='<div class="LC_rankfoil"><b>'.$value.':</b> '.$text.'</div>';
 	    } else {
 		$result.=' \strut\\\\\strut '.$value.':'.$text;
 	    }
@@ -406,7 +410,7 @@ sub displayfoils {
 	    my $lastopt=$lastresponse{$name};
 	    my $optionlist='';
 	    if ($target ne 'tex') {
-                $optionlist = "<option></option>\n";
+                $optionlist = "<option value=\"\"></option>\n";
             } 
             if ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
                 my $fieldname = $env{'request.symb'}.'&part_'.$Apache::inputtags::part.'&rankresponse'.'&HWVAL_'.$Apache::inputtags::response['-1'].':'.$temp;
@@ -416,13 +420,13 @@ sub displayfoils {
 	    foreach $option (@whichopt) {
 		if ($option eq $lastopt) {
 		    if ($target ne 'tex' ) {
-                        $optionlist.="<option selected=\"selected\">$option</option>\n";
+                        $optionlist.="<option value=\"$option\" selected=\"selected\">$option</option>\n";
                     } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
                         $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option); 
                     }
 		} else {
 		    if ($target ne 'tex') {
-                        $optionlist.="<option>$option</option>\n";
+                        $optionlist.="<option value=\"$option\">$option</option>\n";
                     } elsif ($target eq 'tex' && $env{'form.pdfFormFields'} eq 'yes') {
                         $optionlist .= &Apache::lonxml::print_pdf_add_combobox_option($option); 
                     }
@@ -440,15 +444,17 @@ sub displayfoils {
 	    }
 	    my $text=$Apache::response::foilgroup{$name.'.text'};
 	    if ($target ne 'tex') {
+                $result .= '<div class="LC_rankfoil">';
 		if ($Apache::lonhomework::type ne 'exam') {
-		    $result.='<br />'.$optionlist.$text."\n";
+		    $result.=$optionlist.$text."\n";
 		} else {
-		    $result.='<br />'.$text."\n";
+		    $result.=$text."\n";
 		}
 		if ($Apache::lonhomework::type eq 'exam') {
 		    my @values=(1..scalar(@whichopt));
 		    $result.=&Apache::optionresponse::webbubbles(\@values,\@whichopt,$temp,$lastopt);
 		}
+                $result .= '</div>';
 	    } else {
 		if ($Apache::lonhomework::type eq 'exam') {
                     my $itemlabel;