template) are normally used as
            part of the definition of the lexical analyzer. At the same time a token
            definition instance may be used as a parser component in <span class="emphasis"><em>Spirit.Qi</em></span>.
          </p>
<p>
            The template prototype of this class is shown here:
          </p>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
    <span class="keyword">typename</span> <span class="identifier">Attribute</sp