(WebDAV) Ordered Collections
              Protocol", <a href="./rfc3648">RFC 3648</a>, December 2003.

   [<a name="ref-RFC3744" id="ref-RFC3744">RFC3744</a>]  Clemm, G., Reschke, J., Sedlar, E., and J. Whitehead, "Web
              Distributed Authoring and Versioning (WebDAV) Access
              Control Protocol", <a href="./rfc3744">RFC 3744</a>, May 2004.

   [<a name="ref-RFC4437" id="ref-RFC4437">RFC4437</a>]  Whitehead, J., Clemm, G., and J. Reschke, Ed., "Web
              Distributed Authoring an