de></nobr> is used as the default if any parent
<a href="ref-glossary.html#gl:unit-class">unit&nbsp;classes</a> have a <nobr><code>:propagate</code></nobr> retention value;
otherwise <code>nil</code> is used as the default value.
</p>
<p>The <nobr><var>use-global-instance-name-counter</var></nobr> value is not
inherited. If no value is specified in the <a href="ref-glossary.html#gl:unit-class">unit-class</a> definition,
the default initialization value associated with the metaclass is used.
</p>
<p><span cl