der="0"></a>
        </td>
        <td width="30">
          <a href="introduction.html"><img src="theme/l_arr.gif" border="0">
          </a>
        </td>
        <td width="30">
          <a href="basic_concepts.html"><img src="theme/r_arr.gif" border="0">
          </a>
        </td>
      </tr>
    </table>
    <h2>
      <b>Why would you want to use Spirit?</b>
    </h2>
    <p>
      Spirit is designed to be a practical parsing tool. At the very least, the
      ability to generate a fully-working pa