pan><span class="special">::</span><span class="identifier">spirit</span><span class="special">::</span><span class="identifier">classic</span><span class="special">;</span>
</pre>
<p>
      </p>
<p>
        and for <span class="emphasis"><em>Spirit.Qi</em></span>:
      </p>
<p>
</p>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">spirit</span><span class="spec