--- loncom/interface/lonfeedback.pm	2008/02/25 13:16:34	1.252
+++ loncom/interface/lonfeedback.pm	2008/03/12 02:45:07	1.253
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Feedback
 #
-# $Id: lonfeedback.pm,v 1.252 2008/02/25 13:16:34 bisitz Exp $
+# $Id: lonfeedback.pm,v 1.253 2008/03/12 02:45:07 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -3557,7 +3557,7 @@ ENDREDIR
       my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
       if ($env{'form.cmd'} eq 'threadedon') {
 	  &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
-	  &Apache::lonnet::appenv('environment.threadeddiscussion' => 'on');
+	  &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'});
       } else {
  	  &Apache::lonnet::del('environment',['threadeddiscussion']);
 	  &Apache::lonnet::delenv('environment\.threadeddiscussion');
@@ -3720,7 +3720,7 @@ ENDREDIR
       my $usersaw=&resource_output($feedurl);
 
 # Get resource answer (need to allow student to view grades for this to work)
-      &Apache::lonnet::appenv(('allowed.vgr'=>'F'));
+      &Apache::lonnet::appenv({'allowed.vgr'=>'F'});
       my $usersymb = &Apache::lonenc::check_encrypt($symb);
       my $useranswer=
           &Apache::loncommon::get_student_answers(