class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;            <span class="comment">// with continuation passing (next lesson).</span></div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;            </div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;            <span class="comment">// Fork f(n-1):</span></div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160; </div>
<div class="line"><a nam