This works in FireFox 27 (linux), Chrome 33 (linux), and IE9 (win7).
<?xml version="1.0"?>
<?xml-stylesheet type="text/css" href="pies6.css"?>
<pies>
<pie>
<indo>PP12</indo>
<name>Perfect Pecan</name>
<factory>Baker</factory>
<price>$8.30</price>
<B-S>T</B-S>
<html xmlns="http://www.w3.org/1999/xhtml">
<img src="images/pecan.gif" />
</html>
</pie>
</pies>