lls" width="33%"><tt>action_parser_category</tt></td>
    <td class="table_cells" width="67%">A parser with an attached semantic action</td>
  </tr>
</table>
<pre><span class=identifier>    </span><span class=keyword>struct </span><span class=identifier>plain_parser_category </span><span class=special>{};
    </span><span class=keyword>struct </span><span class=identifier>binary_parser_category       </span><span class=special>: </span><span class=identifier>plain_parser_category </span><span class=special>