> A <a href="ref-glossary.html#id224">space-instance&nbsp;path</a> regular expression
(default is <code>(*)</code>)
</td></tr></table>
</p>
<p><span class="fndoclabel">Detailed syntax</span><table class="tighttop"><tbody><tr>
<td valign="baseline" colspan="1" align="left">
<nobr><var>event-class-specifier</var> ::=</nobr> </td><td valign="baseline" colspan="1" align="left"> <var>atomic-event-class</var> |
<code>(</code><var>atomic-event-class subeventing-specifier</var><code>)</code>
| <code>t</code></td></