f="settings.html#log.extension.settings.formatter" title="Adding support for user-defined types to the formatter parser">Adding support for
        user-defined types to the formatter parser</a>
</h4></div></div></div>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><code class="computeroutput"><a class="link" href="../../utilities.html#header.boost.log.utility.setup.formatter_parser_hpp" title="Header &lt;boost/log/utility/setup/formatter_parser.hpp&g