The Tor Browser / file revision

 <?xml version="1.0"?>

 # This Source Code Form is subject to the terms of the Mozilla Public

 # License, v. 2.0. If a copy of the MPL was not distributed with this

 # file, You can obtain one at http://mozilla.org/MPL/2.0/.

 <?xul-overlay href="chrome://browser/content/macBrowserOverlay.xul"?>

 <overlay id="softwareUpdateOverlay"

          xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"

          xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">

 <window id="updates">

 #include browserMountPoints.inc

 </window>

 </overlay>