--- loncom/homework/externalresponse.pm	2014/01/13 13:20:33	1.25
+++ loncom/homework/externalresponse.pm	2014/01/13 15:29:10	1.26
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # external style responses
 #
-# $Id: externalresponse.pm,v 1.25 2014/01/13 13:20:33 kruse Exp $
+# $Id: externalresponse.pm,v 1.26 2014/01/13 15:29:10 bisitz Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -324,7 +324,8 @@ sub end_externalresponse {
                                                    'uploadedurl']);
         if (&Apache::response::show_answer()) {
            $result.='<table border="1"><tr><th>'.&mt('Your answer:').'</th></tr><tr><td><pre>'.
-                    $Apache::lonhomework::history{"resource.$part.$id.submission"}.
+                    &HTML::Entities::encode(
+                        $Apache::lonhomework::history{"resource.$part.$id.submission"},'"<>&').
                     '</pre></td></table><br />'.&Apache::lonxml::get_param('answerdisplay',$parstack,$safeeval).
                     '<br />';
         }