The Tor Browser / file revision

 <?xml version="1.0" encoding="UTF-8"?>

 <searchresults total_results="1">

   <addon id="5617">

   <name>Restartless Test Extension</name>

   <type id="1">Extension</type>

   <guid>missing-xpi@tests.mozilla.org</guid>

   <slug>missing-xpi</slug>

   <version>1.0</version>

   <compatible_applications><application>

       <name>Firefox</name>

       <application_id>1</application_id>

       <min_version>3.6</min_version>

       <max_version>*</max_version>

       <appID>{3e3ba16c-1675-4e88-b9c8-afef81b3d2ef}</appID>

     </application></compatible_applications>

   <all_compatible_os><os>ALL</os></all_compatible_os>

   <install os="ALL" size="485">http://127.0.0.1:8888/THIS_DOES_NOT_EXIST.xpi</install>

     <created epoch="1252903662">

       2009-09-14T04:47:42Z

     </created>

     <last_updated epoch="1315255329">

       2011-09-05T20:42:09Z

     </last_updated>

     </addon>

 </searchresults>