   <span class="identifier">c</span><span class="special">,</span>
            <span class="identifier">d</span></code></span></dt>
<dd><p>
                Lexer objects
              </p></dd>
<dt><span class="term"><code class="computeroutput"><span class="identifier">Iterator</span></code></span></dt>
<dd><p>
                The type of an iterator referring to the underlying input sequence
              </p></dd>
<dt><span class="term"><code class="computeroutput"><span class="identifier">IdType</span><