cate points. So they output the
          minimal set.
        </li>
</ul></div>
<p>
      <span class="bold"><strong>Additional algorithms</strong></span>
    </p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem">
          covered_by: within is defined as "within, not on boundary". covered_by
          is "within or on boundary"
        </li></ul></div>
<p>
      <span class="bold"><strong>Additional functionality</strong></span>
    </p>
<div class="itemizedlist"><ul cl