--- loncom/homework/optionresponse.pm	2003/10/27 19:27:09	1.93
+++ loncom/homework/optionresponse.pm	2004/01/06 20:37:29	1.97
@@ -1,7 +1,7 @@
 # LearningOnline Network with CAPA
 # option list style responses
 #
-# $Id: optionresponse.pm,v 1.93 2003/10/27 19:27:09 albertel Exp $
+# $Id: optionresponse.pm,v 1.97 2004/01/06 20:37:29 sakharuk Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -149,7 +149,8 @@ sub end_foilgroup {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   
   my $result;
-  if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex' || $target eq 'analyze') {
+  if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
+      $target eq 'tex' || $target eq 'analyze') {
     my $tex_option_switch=&Apache::lonxml::get_param('texoptions',$parstack,$safeeval);
     my $name;
     my @opt;
@@ -165,7 +166,8 @@ sub end_foilgroup {
       $result.=&displayanswers($max,$randomize,@opt);
     } elsif ( $target eq 'analyze') {
 	my @shown = &whichfoils($max,$randomize);
-	&Apache::response::analyze_store_foilgroup(\@shown,['text','value']);
+	&Apache::response::analyze_store_foilgroup(\@shown,
+						  ['text','value','location']);
 	my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
 	push (@{ $Apache::lonhomework::analyze{"$part_id.options"} },@opt);
     } elsif ( $target eq 'grade') {
@@ -182,8 +184,8 @@ sub end_foilgroup {
 	  if ($ENV{'form.submitted'} eq 'scantron') {
 	      $response = $opt[$response];
 	  }
-	  $responsehash{$name}=$response;
 	  if ( $response =~ /[^\s]/) {
+	    $responsehash{$name}=$response;
 	    my $value=$Apache::response::foilgroup{$name.'.value'};
 	    &Apache::lonxml::debug("submitted a $response for $value<br />\n");
 	    if ($value eq $response) {
@@ -316,6 +318,8 @@ sub displayfoils {
 		} else {
 		    $text=$value.': '.$text;
 		}
+	    } else {
+		$text='&#149;'.$text;
 	    }
 	    $result.=$text."\n";
       } elsif ($target eq 'tex') {
@@ -365,6 +369,8 @@ sub displayfoils {
 	  my $text=$Apache::response::foilgroup{$name.'.text'};
 	  if (!($text=~s|<drawoptionlist\s*/>|$optionlist|) && $Apache::lonhomework::type ne 'exam') {
 	      $text=$optionlist.$text;
+	  } else {
+	      $text='&#149;'.$text;
 	  }
 	  $result.=$break.$text."\n";
 	  if ($Apache::lonhomework::type eq 'exam') {
@@ -439,7 +445,7 @@ sub optionlist_correction {
 	$texoptionlist =~ s/>/\$>\$/g;
 	$texoptionlist =~ s/</\$<\$/g;
 	$texoptionlist =~ s/=/\$=\$/g;
-	$texoptionlist =~ s/\^(\d+)/<m>\$$1\$<\/m>/g;
+	$texoptionlist =~ s/\^(\d+)/\$^{$1}\$/g;
     } else {
 	$texoptionlist =~ s/<option><\/option>/\\item \[\] \\vskip -5 mm/;
     }