odoo/addons/point_of_sale/tools/posbox/overwrite_after_init/usr/lib/firefox-esr/browser/extensions/{4D498D0A-05AD-4fdb-97B5-8A0AABC1FC5B}/content/rkioskunknownContentType.xul

<?xml version="1.0"?>

<overlay>
	<dialog id="unknownContentType" 
	xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
        onload="rkioskclose();"> 
	<script src="rkioskbrowser.js"/>
	</dialog>
</overlay>