ore than once, thus
              optimizing the integration of the lexer with <span class="emphasis"><em>Spirit.Qi</em></span>,
              even during parser backtracking.
            </p></td></tr>
</table></div>
<p>
            Here is the template prototype of the <code class="computeroutput"><span class="identifier">lex</span><span class="special">::</span><span class="identifier">lexertl</span><span class="special">::</span><span class="identifier">token</span><span class="special">&lt;&gt;</span><