</td><td valign="baseline">&nbsp;&nbsp;&nbsp;&nbsp;</td><td valign="baseline"> A <a href="ref-glossary.html#id80">function&nbsp;designator</a> specifying a
<a href="ref-glossary.html#id82">function&nbsp;object</a> of two arguments used to print each
<a href="ref-glossary.html#id188">queue&nbsp;element</a> line (default is
<nobr><code>&#35;'standard-show-queue-element</code></nobr>)
</td></tr></table>
</p>
<p><span class="fndoclabel">See also</span>
<br>&nbsp;&nbsp;&nbsp;&nbsp;<a href="ref-clear-queue.html">