 class="special">(...)</span></code>
            didn't expose an attribute while <code class="computeroutput"><span class="identifier">char_</span></code>
            did. If you need a literal parser not exposing any attribute use <code class="computeroutput"><span class="identifier">lit</span><span class="special">(...)</span></code>
            instead.
          </li>
<li class="listitem">
            The qi::int_spec, qi::real_spec, karma::int_spec, and karma real_spec
            types do not exist a