--- loncom/lond	2009/10/20 00:50:33	1.430
+++ loncom/lond	2009/10/21 16:14:24	1.431
@@ -2,7 +2,7 @@
 # The LearningOnline Network
 # lond "LON Daemon" Server (port "LOND" 5663)
 #
-# $Id: lond,v 1.430 2009/10/20 00:50:33 raeburn Exp $
+# $Id: lond,v 1.431 2009/10/21 16:14:24 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -59,7 +59,7 @@ my $DEBUG = 0;		       # Non zero to ena
 my $status='';
 my $lastlog='';
 
-my $VERSION='$Revision: 1.430 $'; #' stupid emacs
+my $VERSION='$Revision: 1.431 $'; #' stupid emacs
 my $remoteVERSION;
 my $currenthostid="default";
 my $currentdomainid;
@@ -3784,17 +3784,17 @@ sub dump_course_id_handler {
             $cc_clone{$clonedom.'_'.$clonenum} = 1;
         } 
     }
-    if (defined($createdbefore)) {
+    if ($createdbefore ne '') {
         $createdbefore = &unescape($createdbefore);
     } else {
        $createdbefore = 0;
     }
-    if (defined($createdafter)) {
+    if ($createdafter ne '') {
         $createdafter = &unescape($createdafter);
     } else {
         $createdafter = 0;
     }
-    if (defined($creationcontext)) {
+    if ($creationcontext ne '') {
         $creationcontext = &unescape($creationcontext);
     } else {
         $creationcontext = '.';