--- loncom/xml/lontex.pm	2005/02/17 09:01:04	1.6
+++ loncom/xml/lontex.pm	2005/04/07 06:56:27	1.7
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # TeX Content Handler
 #
-# $Id: lontex.pm,v 1.6 2005/02/17 09:01:04 albertel Exp $
+# $Id: lontex.pm,v 1.7 2005/04/07 06:56:27 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -45,6 +45,7 @@ use strict;
 use Apache::File;
 use Apache::lontexconvert;
 use Apache::Constants qw(:common);
+use Apache::lonnet;
 use tth;
 
 # ================================================================ Main Handler
@@ -56,7 +57,7 @@ sub handler {
 
 # ----------------------------------------------------------- Set document type
 
-  if ($ENV{'browser.mathml'}) {
+  if ($env{'browser.mathml'}) {
       &Apache::loncommon::content_type($r,'text/xml');
   } else {
       &Apache::loncommon::content_type($r,'text/html');