ken that survives the rewrite, we'll call it the <i>catalyst</i>.</p>

<h3>Fizzbuzz, in <a href='modal.html'>Modal</a>.</h3>

<pre>
<> ((print-word ?:) ?i ?f ?b) ((print-line \n) ?i ?f ?b)
<> ((print-line ?:) ?i ?f ?b) ((?i) (?f) (?b))
<> (100 ?f ?b) (done.)
<> (?i 3 5)    ((print-word FizzBuzz) ?i 0 0)
<> (?i 3 ?b)   ((print-word Fizz) ?i 0 ?b)
<> (?i ?f 5)   ((print-word Buzz) ?i ?f 0)
<> (?i ?f ?b)  ((print-word ?i) ?i ?f ?b)
(0 0 0)
</pre>

<h3>Fizzbuzz, in <a href='fractran.html'>Fractran</a>.</h3>

<p