pecial">{</span>
    <span class="identifier">mini_xml_grammar</span><span class="special">()</span>
      <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>
    <span class="special">{</span>
        <span class="keyword">using</span> <span class="ide