/em>
&lt;4&gt; now x: 91  ; here I typed C-q at the prompt
</pre>

<p>Another possibility:
</p>
<pre class="indented">
(set! (hook-functions *error-hook*)
      (list (lambda (hook)
              (apply format *stderr* (hook 'data))
              (newline *stderr*)
	      (drop-into-repl (owlet)))))
</pre>

<p>See the end of repl.scm for more examples.  See nrepl.scm for a better version of repl.scm.
</p>

<!--
In the repl:

    (define (f x)
      (catch #t
        (lambda ()
          (+ x 1))
        (la