--- loncom/homework/default_homework.lcpm	2011/08/03 03:37:23	1.152.2.1
+++ loncom/homework/default_homework.lcpm	2011/05/21 14:08:06	1.153
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # used by lonxml::xmlparse() as input variable $safeinit to Apache::run::run()
 #
-# $Id: default_homework.lcpm,v 1.152.2.1 2011/08/03 03:37:23 raeburn Exp $
+# $Id: default_homework.lcpm,v 1.153 2011/05/21 14:08:06 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -341,7 +341,7 @@ sub caparesponse_check_list {
              $appendunit='%'.$appendunit;
           }
 # Zero does not need a dimension
-          if (($element =~ /^[0\.]+$/) && ($unit!~/\w/) && ($answerunit=~/\w/)) {
+          if (($element==0) && ($unit!~/\w/) && ($answerunit=~/\w/)) {
              $appendunit=$answerunit;
           }
           if ($appendunit ne '') {
@@ -1125,11 +1125,24 @@ sub class {
     return $course;
 }
 
+sub classid {
+    my $courseid = &EXT('request.course.id');
+    $courseid = '' if $courseid eq "";
+    return $courseid;
+}
+
 sub firstname {
     my $firstname = &EXT('environment.firstname');
     $firstname = '' if $firstname eq "";
     return $firstname;
 }
+
+sub middlename {
+    my $middlename = &EXT('environment.middlename');
+    $middlename = '' if $middlename eq "";
+    return $middlename;
+}
+
                                                                                 
 sub lastname {
     my $lastname = &EXT('environment.lastname');