rtype's fields for each
type. The type used to access a field determines which of the values is
returned. The program can extract each of these field values separately.</p>
<h2>Procedures</h2>
<dl><dt><code>(make-condition-type </code><var>id</var>
 <var>parent</var>
 <var>field-names</var><code>)</code></dt>
<dd><p><code>Make-condition-type</code>
 returns a new condition type. <var>Id</var>
 must be a symbol that serves as a symbolic name for the condition type.  <var>Parent</var>
 must itself be a condit