--- loncom/homework/daxeopen.pm	2015/12/15 15:00:58	1.3
+++ loncom/homework/daxeopen.pm	2016/01/06 16:44:30	1.4
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Opening converted problems and directory listings for Daxe
 #
-# $Id: daxeopen.pm,v 1.3 2015/12/15 15:00:58 damieng Exp $
+# $Id: daxeopen.pm,v 1.4 2016/01/06 16:44:30 damieng Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -49,7 +49,7 @@ sub handler {
     &Apache::loncommon::no_cache($request);
     if ($uri =~ /\/$/) {
         return directory_listing($uri, $request);
-    } elsif ($uri =~ /\.(task|problem|exam|quiz|assess|survey|library)$/) {
+    } elsif ($uri =~ /\.(task|problem|exam|quiz|assess|survey|library|xml|html|htm|xhtml|xhtm)$/) {
         return convert_problem($uri, $request);
     } else {
         # Apache should send other files directly
@@ -70,7 +70,13 @@ sub convert_problem {
     try {
         my $warnings = 0; # no warning printed
         my $textref = &Apache::pre_xml::pre_xml($file, $warnings);
-        $textref = &Apache::html_to_xml::html_to_xml($textref, $warnings);
+        my $case_sensitive;
+        if ($uri =~ /\.(task)$/) {
+          $case_sensitive = 1;
+        } else {
+          $case_sensitive = 0;
+        }
+        $textref = &Apache::html_to_xml::html_to_xml($textref, $warnings, $case_sensitive);
         my $text = &Apache::post_xml::post_xml($textref, $file, $perlvar{'lonDocRoot'}, $warnings);
         &Apache::loncommon::content_type($request, 'text/xml', 'utf-8');
         $request->print($text);