   <?xml version="1.0" encoding="utf-8" ?>
   <D:acl xmlns:D="DAV:" xmlns:F="http://www.example.com/privs/">
     <D:ace>
       <D:principal>
          <D:href>http://www.example.com/users/ejw</D:href>
       </D:principal>
       <D:grant><D:write/></D:grant>
     </D:ace>
   </D:acl>