 belong to a condition type which has a field name called <var>field-name</var>, or one of its (direct or indirect) supertypes must have the field. <code>Condition-ref</code>
 returns the value associated with <var>field-name</var>.</p>
<p>It is an error to refer to a field the condition does not have.</p>
</dd>
<dt><code>(make-compound-condition </code><var>condition<sub>0</sub>
</var>
 <var>condition<sub>1</sub>
...</var><code>)</code></dt>
<dd><p><code>Make-compound-condition</code>
 returns a compound c