covered_by
          is "within or on boundary"
        </li></ul></div>
<p>
      <span class="bold"><strong>Additional functionality</strong></span>
    </p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
          within: strategies can now be specified for within&lt;point, box&gt; and
          within&lt;box, box&gt;
        </li>
<li class="listitem">
          convert: a much broader range of conversions is supported
        </li>
<li class="l