>
<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">tens_</span> <span class="special">:</span> <span class="identifier">qi</span><span class="special">::</span><span class="identifier">symbols</span><span class="special">&lt;</span><span class="keyword">char</span><span class="special">,</span> <span class="keyword">unsigned</span><span class="special">&gt;</span>
<span class="special">{</span>
    <span class="identifier">tens_</span><span class="special">()</span>
 