--- loncom/homework/caparesponse/caparesponse.pm	2006/12/19 00:40:39	1.203
+++ loncom/homework/caparesponse/caparesponse.pm	2006/12/19 00:49:53	1.204
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # caparesponse definition
 #
-# $Id: caparesponse.pm,v 1.203 2006/12/19 00:40:39 albertel Exp $
+# $Id: caparesponse.pm,v 1.204 2006/12/19 00:49:53 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -41,7 +41,10 @@ BEGIN {
 }
 
 my %answer;
+my @answers;
 sub get_answer { return %answer; };
+sub push_answer{ push(@answers,dclone(\%answer)); undef(%answer) }
+sub pop_answer { %answer = %{pop(@answers)}; };
 
 my $cur_name;
 my $tag_internal_answer_name = 'INTERNAL';