    <li>
          <a href="working_practices.html#tickets">Trac Tickets</a>

          <ul>
            <li><a href="working_practices.html#tickets_create">Creating
            Tickets</a></li>

            <li><a href="working_practices.html#tickets_use">Using
            Tickets</a></li>
          </ul>
        </li>

        <li><a href="working_practices.html#packages">Creating
        Packages</a></li>

        <li><a href="working_practices.html#releases">Preparing System
        Releases</a></li>

 