--- loncom/homework/outputtags.pm	2005/12/12 22:10:32	1.45
+++ loncom/homework/outputtags.pm	2006/01/17 17:47:24	1.46
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # tags that create controlled output
 #
-# $Id: outputtags.pm,v 1.45 2005/12/12 22:10:32 albertel Exp $
+# $Id: outputtags.pm,v 1.46 2006/01/17 17:47:24 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -69,7 +69,7 @@ sub start_displayduedate {
     my $style = &Apache::lonxml::get_param('style',$parstack,$safeeval);
     my $format = &Apache::lonxml::get_param('format', $parstack, $safeeval);
     if (!$format) {
-	$format = '%c';
+	$format = undef;
     }
     if (($status =~ /CAN.*_ANSWER/)) {
 	my $id = $Apache::inputtags::part;