XML Parsing Error: 
Location: http://vm129/xul/server/main/data.xul
Line Number 12, Column 91:	<script type='text/javascript' src='chrome://open_ils_staff_client/content/main/JSAN.js'></script>
-------------------------------------------------------------------------------------------------^

I'm sure this isn't aligning right, but the original is pointing at the closing </script>.  The original XUL source is <script/>, but xmlent is changing that, and it looks like xulrunner 1.9 doesn't like it.  I'm going to research it :(

XML Parsing Error: 
Location: http://vm129/xul/server/main/data.xul
Line Number 40, Column 91:	<script type="text/javascript" src="chrome://open_ils_staff_client/content/main/lang.js"></script>
-------------------------------------------------------------------------------------------------^

XML Parsing Error: 
Location: http://vm129/xul/server/main/data.xul
Line Number 40, Column 92:	<script type="text/javascript" src="chrome://open_ils_staff_client/content/main/lang.js"/>
--------------------------------------------------------------------------------------------------^

XML Parsing Error: undefined entity
Location: http://vm129/xul/server/main/data.xul
Line Number 29, Column 1:<window id="data_win" 
^