Python extension class named <code>name</code>. The
    <code>name</code>d attribute of the <a href=
    "scope.html#introduction">current scope</a> is bound to the new extension
    class.</dt>

    <dd>
      <ul>
        <li>If supplied, the value of <code>docstring</code> is bound to the
        <code>__doc__</code> attribute of the extension class.</li>

        <li>If <code>init_spec</code> is <code>no_init</code>, a special
        <code>__init__</code> function is generated which always raises a
   