     to 9.0]
        </p>
<p>
          You can see an example program that exercises this version of the node
          iterators <a href="../../../example/node_iterator3.cpp" target="_top"><code class="computeroutput"><span class="identifier">here</span></code></a>.
        </p>
<p>
          In the case of <code class="computeroutput"><span class="identifier">node_iter</span></code>,
          it's not very compelling to pass <code class="computeroutput"><span class="identifier">boost</span><span class="