--- loncom/homework/lonhomework.pm	2009/03/26 18:21:24	1.308
+++ loncom/homework/lonhomework.pm	2009/03/30 04:49:35	1.309
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Homework handler
 #
-# $Id: lonhomework.pm,v 1.308 2009/03/26 18:21:24 bisitz Exp $
+# $Id: lonhomework.pm,v 1.309 2009/03/30 04:49:35 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -297,12 +297,15 @@ sub check_slot_access {
 	return ('WAITING_FOR_GRADE');
     }
 
-    # no slot is currently open, and has been checked in for this version
-    # previous slot is therefore CLOSED, so therefore the problem is
+    # Previously used slot is no longer open, and has been checked in for this version.
+    # However, the problem is not closed, and potentially, another slot might be
+    # used to gain access to it to work on it, until the due date is reached, and the
+    # problem then becomes CLOSED.  Therefore return the slotstatus - 
+    # (which will be NOT_IN_SLOT).
     if (!defined($slot_name)
 	&& $checkedin 
 	&& $type eq 'problem') {
-	return ('CLOSED',$datemsg);
+        return ($slotstatus);
     }
 
     if ($slotstatus eq 'NOT_IN_A_SLOT'