
          or <span class="emphasis"><em>part</em></span> will result in invalid XML.
        </p>
<p>
          Finally, if you are using Quickbook to generate the documentation, then
          you may wish to add:
        </p>
<pre class="programlisting">&lt;include&gt;$boost-root/tools/auto_index/include</pre>
<p>
          to your projects requirements (replacing $boost-root with the path to the
          root of the Boost tree), so that the file auto_index_helpers.qbk can be
          included in your 