</span>
</pre>
<p>
        The include directory at:
      </p>
<pre class="programlisting"><span class="identifier">BOOST_ROOT</span><span class="special">/</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">spirit</span><span class="special">/</span><span class="identifier">include</span>
</pre>
<p>
        is a special flat directory that contains all the Spirit headers. To accommodate
        the flat structure, the headers are prefixed with the sub-library