an> <span class="special">*(</span><span class="identifier">char_</span> <span class="special">-</span> <span class="identifier">eol</span><span class="special">)</span>
</pre>
<p>
          Using the <code class="computeroutput"><span class="identifier">distinct</span><span class="special">[]</span></code>
          component instead of the explicit sequence has the advantage of being able
          to encapsulate the tail (i.e the <code class="computeroutput"><span class="identifier">char_</span><span cla