ase review the previous <a class="link" href="annotation.html" title="Annotations - Decorating the ASTs">annotations
        example</a>. The information there will be very helpful in understanding
        error handling.
      </p>
<h5>
<a name="spirit_x3.tutorials.error_handling.h0"></a>
        <span class="phrase"><a name="spirit_x3.tutorials.error_handling.the_ast"></a></span><a class="link" href="error_handling.html#spirit_x3.tutorials.error_handling.the_ast">The
        AST</a>
      </h5>
<p>
      