ther changes relative to a
        stable version for testing purposes or for use in a package (see
        <a href="#packages">Creating Packages</a> later in this section).</li>
      </ul>
    </dd>
  </dl>

  <h3 id="branching_update">Merging From the Trunk</h3>

  <p>Once you've created your branch you need to decide whether you now work in
  isolation or whether you periodically merge in the latest changes from the
  trunk.</p>

  <ul>
    <li>Regularly merging from the trunk minimises the work involve