code> into
            a character literal parser.
          </p>
<p>
            The problem with omitting the <code class="computeroutput"><span class="identifier">char_</span></code>
            should be obvious: <code class="computeroutput"><span class="char">'a'</span> <span class="special">&gt;&gt;</span>
            <span class="char">'b'</span></code> is not a spirit parser, it is
            a numeric expression, right-shifting the ASCII (or another encoding)
            value of <code class="comp