pective fields.</p>
</dd>
<dt><code>(condition? </code><var>thing</var><code>)</code></dt>
<dd><p><code>Condition?</code>
 is a predicate for conditions: it returns <code>#t</code>
 if <var>thing</var>
 is a condition type, and <code>#f</code>
 otherwise</p>
</dd>
<dt><code>(condition-has-type? </code><var>condition</var>
 <var>condition-type</var><code>)</code></dt>
<dd><p><code>Condition-has-type?</code>
 tests if condition <var>condition</var>
 belongs to condition type <var>condition-type</var>.  It ret