is not defined by OGC.
        </p>
<h6>
<a name="geometry.reference.algorithms.append.h4"></a>
          <span class="phrase"><a name="geometry.reference.algorithms.append.supported_geometries"></a></span><a class="link" href="append.html#geometry.reference.algorithms.append.supported_geometries">Supported
          geometries</a>
        </h6>
<div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
<col>
</colgroup>
<thead><tr>
<th>
                </th>
<th>
                  <p>
        