--- loncom/homework/response.pm	2014/12/30 20:03:10	1.238
+++ loncom/homework/response.pm	2015/02/20 22:14:49	1.239
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # various response type definitons response definition
 #
-# $Id: response.pm,v 1.238 2014/12/30 20:03:10 raeburn Exp $
+# $Id: response.pm,v 1.239 2015/02/20 22:14:49 damieng Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -617,6 +617,7 @@ MATHJAX_SCRIPT
 <script type="text/javascript">
   var LCmathField = document.getElementById('${field}');
   LCmathField.className += ' math'; // note the space
+  LCmathField.setAttribute('data-implicit_operators', 'true');
   var LCMATH_started;
   if (typeof LCMATH_started === 'undefined') {
     $mathjaxjs