le class="tighttop">
<tr valign="top"><td valign="baseline" nowrap><i>ksa-class-name</i></td><td valign="baseline">&nbsp;&nbsp;&nbsp;&nbsp;</td><td valign="baseline"> A non-<code>nil</code>, <a href="ref-glossary.html#id148">non-keyword&nbsp;symbol</a> that names the
<a href="ref-glossary.html#id120">ksa&nbsp;class</a> 
</td></tr><tr valign="top"><td valign="baseline" nowrap><i>superclass-name</i></td><td valign="baseline">&nbsp;&nbsp;&nbsp;&nbsp;</td><td valign="baseline"> A non-<code>nil</code>, <a href="