ass="programlisting"><span class="special">:</span> <span class="identifier">mini_xml_grammar</span><span class="special">::</span><span class="identifier">base_type</span><span class="special">(</span><span class="identifier">xml</span><span class="special">,</span> <span class="string">"xml"</span><span class="special">)</span>
</pre>
<p>
          Then, we name all our rules:
        </p>
<pre class="programlisting"><span class="identifier">xml</span><span class="special">.</span><span class="identifier"