--- loncom/homework/response.pm	2004/02/16 20:09:51	1.91
+++ loncom/homework/response.pm	2004/02/27 17:18:32	1.92
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # various response type definitons response definition
 #
-# $Id: response.pm,v 1.91 2004/02/16 20:09:51 albertel Exp $
+# $Id: response.pm,v 1.92 2004/02/27 17:18:32 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -45,6 +45,16 @@ sub start_response {
     push (@Apache::inputtags::response,$id);
     push (@Apache::inputtags::responselist,$id);
     @Apache::inputtags::inputlist=();
+    if ($Apache::inputtags::part eq '') {
+	&Apache::lonxml::error(&HTML::Entities::encode(&mt("Found a <*response> outside of a <part> in a <part>ed problem")));
+    }
+    if ($Apache::inputtags::response_with_no_part &&
+	$Apache::inputtags::part ne '0') {
+	&Apache::lonxml::error(&HTML::Entities::encode(&mt("<*response>s are both inside of <part> and outside of <part>, this is not a valid problem, errors in grading may occur.")).'<br />');
+    }
+    if ($Apache::inputtags::part eq '0') {
+	$Apache::inputtags::response_with_no_part=1;
+    }
     return $id;
 }