Index: lams_central/src/java/org/lamsfoundation/lams/authoring/web/AuthoringAction.java
===================================================================
diff -u -r61e7bbf20d65e2ecb5e50f3154e52264003defa1 -r936b2a52791d8b519db737f96a5c24ffe410cd16
--- lams_central/src/java/org/lamsfoundation/lams/authoring/web/AuthoringAction.java	(.../AuthoringAction.java)	(revision 61e7bbf20d65e2ecb5e50f3154e52264003defa1)
+++ lams_central/src/java/org/lamsfoundation/lams/authoring/web/AuthoringAction.java	(.../AuthoringAction.java)	(revision 936b2a52791d8b519db737f96a5c24ffe410cd16)
@@ -98,6 +98,7 @@
      */
     private ActionForward outputPacket(ActionMapping mapping, HttpServletRequest request, HttpServletResponse response,
 	    String wddxPacket, String parameterName) throws IOException {
+	response.addHeader("Cache-Control", "no-cache");
 	PrintWriter writer = response.getWriter();
 	writer.println(wddxPacket);
 	return null;