      expected to be removed in the future.
      </p>
<p>
        The recommended way of using Spirit Classic now is to include header files
        from the directory $BOOST_ROOT/boost/spirit/include. All Spirit Classic headers in this directory have 'classic_'
        prefixed to their name. For example the include
      </p>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span clas