r>
<td valign="baseline" colspan="1" align="left"></td><td valign="baseline" colspan="1" align="left"> &#123;<code>:sort-function</code> <var>function</var>&#125; |</td></tr>
<tr>
<td valign="baseline" colspan="1" align="left"></td><td valign="baseline" colspan="1" align="left"> &#123;<code>:sort-key</code> <var>function</var>&#125; </td></tr>
<tr>
<td valign="baseline" colspan="1" align="left"></td></tr></tbody></table>
<table class="tight"><tbody><tr>
<td valign="baseline" colspan="1" align="left">
<nobr>