ass="special">,</span>
              <span class="keyword">unsigned</span><span class="special">()&gt;</span></code>.
              If <code class="computeroutput"><span class="identifier">roman</span></code> was not a
              template, you could simply write: base_type(start)
            </li>
<li class="listitem">
              It's best to make your grammar templates such that they can be reused
              for different iterator types.
            </li>
<li class="listitem">
              <code 