d when you
    are ready to merge back to the trunk. You deal with any merge issues as you
    go along rather than all at the end (by which time your branch and the
    trunk could have diverged significantly).</li>

    <li>One downside of merging from the trunk is that the baseline for your
    changes is a moving target. This may not be what you want if you have some
    <em>control</em> results that you have generated.</li>

    <li>Another downside of merging from the trunk is that it may introduce
  