--- loncom/homework/structuretags.pm	2003/03/07 23:41:29	1.155
+++ loncom/homework/structuretags.pm	2003/03/14 23:23:45	1.156
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # definition of tags that give a structure to a document
 #
-# $Id: structuretags.pm,v 1.155 2003/03/07 23:41:29 albertel Exp $
+# $Id: structuretags.pm,v 1.156 2003/03/14 23:23:45 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -254,6 +254,7 @@ sub start_problem {
   $Apache::inputtags::part='0';
   @Apache::inputtags::responselist = ();
   @Apache::inputtags::previous=();
+  @Apache::inputtags::previous_version=();
   $Apache::structuretags::printanswer='No';
   if ($target ne 'analyze') {
     &initialize_storage();
@@ -686,6 +687,7 @@ sub start_part {
   $Apache::inputtags::part=$id;
   @Apache::inputtags::responselist = ();
   @Apache::inputtags::previous=();
+  @Apache::inputtags::previous_version=();
   my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
 
   if ($target eq 'meta') {