r>class-name</var></nobr> class option, if specified,
must be a subclass of <nobr><b><a href="ref-standard-ksa-class.html">standard-ksa-class</a></b></nobr>.  The
default metaclass value is also
<nobr><b><a href="ref-standard-ksa-class.html">standard-ksa-class</a></b></nobr>.
</p>
<p><p><b>Inheritance of class options</b></p>
<a name="id8">The</a> set of <nobr><var>dimensional-values</var></nobr> for a <a href="ref-glossary.html#id254">unit&nbsp;class</a> is the
union of the sets specified in the <nobr><var