--- loncom/xml/lonxml.pm	2005/03/10 19:10:31	1.362
+++ loncom/xml/lonxml.pm	2005/03/16 15:46:42	1.364
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # XML Parser Module 
 #
-# $Id: lonxml.pm,v 1.362 2005/03/10 19:10:31 matthew Exp $
+# $Id: lonxml.pm,v 1.364 2005/03/16 15:46:42 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1297,14 +1297,12 @@ sub handler {
     
     $Apache::lonxml::debug=$ENV{'user.debug'};
     
-    if ($ENV{'browser.mathml'}) {
-	&Apache::loncommon::content_type($request,'text/xml');
-    } else {
-	&Apache::loncommon::content_type($request,'text/html');
-    }
+    &Apache::loncommon::content_type($request,'text/html');
     &Apache::loncommon::no_cache($request);
-    $request->set_last_modified(&Apache::lonnet::metadata($request->uri,
-							  'lastrevisiondate'));
+    if ($ENV{'request.state'} eq 'published') {
+	$request->set_last_modified(&Apache::lonnet::metadata($request->uri,
+							      'lastrevisiondate'));
+    }
     $request->send_http_header;
     
     return OK if $request->header_only;