an> <span class="identifier">Unused</span></pre>
<p>
                    </p>
                  </td>
</tr></tbody>
</table></div>
<p>
            If the embedded generator of the <code class="computeroutput"><span class="identifier">duplicate</span><span class="special">[]</span></code> directive is a sequence it is expected
            that all elements of this sequence expose either the same attribute type,
            an compatible attribute type, or <code class="computeroutput"><span class="identifier"