an class="number">2</span><span class="special">),</span> <span class="number">0</span><span class="special">);</span> <a class="co" name="geometry.reference.algorithms.append.c4" href="append.html#geometry.reference.algorithms.append.c5"><img src="../../../../../../../doc/src/images/callouts/3.png" alt="3" border="0"></a>
    <span class="comment">// Append a point to the first interior ring</span>
    <span class="identifier">append</span><span class="special">(</span><span class="identifier">poly</span><