--- loncom/homework/essayresponse.pm	2010/04/20 23:59:53	1.105
+++ loncom/homework/essayresponse.pm	2010/04/22 13:00:24	1.106
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # essay (ungraded) style responses
 #
-# $Id: essayresponse.pm,v 1.105 2010/04/20 23:59:53 www Exp $
+# $Id: essayresponse.pm,v 1.106 2010/04/22 13:00:24 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -105,7 +105,7 @@ sub start_essayresponse {
 	my @msgs;
 	if ($Apache::lonhomework::history{"resource.$part.$id.collaborators"} =~ /\S/) {
 	    my $coll= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
-	    $result .= '<td>'.&mt('Collaborated with [_1]',$coll).'</td>';
+	    $result .= '<td><i>'.&mt('Collaborated with [_1]',$coll).'</i></td>';
 	}
 
 	my $file_submission = 
@@ -136,12 +136,14 @@ sub end_essayresponse {
     my $increment     = &Apache::response::repetition();
     my $result;
     if ( $target eq 'grade' ) {
-	my $collaborators = $env{'form.HWCOL'.$part.'_'.$id};	
-	if ($collaborators =~ /[^\s]/) {
-	    my $previous_list= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
-	    $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators
-		if ($collaborators ne $previous_list);
-	}
+# Deal with collaborators
+	my $collaborators = $env{'form.HWCOL'.$part.'_'.$id};
+	my $previous_list= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.collaborators"},'<>&"');
+	if ($collaborators ne $previous_list) { 
+#           &Apache::lonnet::logthis("New collaborators [$collaborators] [$previous_list]");
+           $Apache::lonhomework::results{"resource.$part.$id.collaborators"}=$collaborators; 
+        }
+# Scantron
 	if (  &Apache::response::submitted('scantron') ) {
 	    $increment=&Apache::response::scored_response($part,$id);
 	} elsif ( &Apache::response::submitted() ) {
@@ -419,7 +421,7 @@ sub check_collaborators {
 					$env{'course.'.$env{'request.course.id'}.'.num'});
     my (@badcollaborators,$result);
   
-    my (@collaborators) = split(/,?\s+/,$coll);
+    my (@collaborators) = split(/[,;\s]+/,$coll);
     foreach my $entry (@collaborators) {
         my $collaborator;
 	if ($entry =~ /:/) {
@@ -467,7 +469,7 @@ __END__
 
 =head1 NAME
 
-Apache::easyresponse
+Apache::essayresponse
 
 =head1 SYNOPSIS