her strings as its parameter
            (i.e. std::string)
          </li>
<li class="listitem">
            All terminals taking literals now accept a (lazy) function object as
            well
          </li>
<li class="listitem">
            All placeholders for terminals and directives (such as <code class="computeroutput"><span class="identifier">int_</span></code>, <code class="computeroutput"><span class="identifier">double_</span></code>,
            <code class="computeroutput"><span class="identi