        callable</a>.</li>
          </ul>

          <table border="1" summary="def() optional arguments">
            <tr>
              <th>Memnonic Name</th>

              <th>Requirements/Type properties</th>

              <th>Effects</th>
            </tr>

            <tr>
              <td>docstring</td>

              <td>Any <a href="definitions.html#ntbs">ntbs</a>.</td>

              <td>Value will be bound to the <code>__doc__</code> attribute
              of the resulting method overload. I