pan>
                <span class="identifier">alpha</span> <span class="special">&gt;&gt;</span> <span class="special">*(</span><span class="identifier">alnum</span> <span class="special">|</span> <span class="char">'_'</span><span class="special">)</span> <span class="special">[</span><span class="identifier">id_action</span><span class="special">]</span>
            <span class="special">]</span>
        <span class="special">]</span>
   <span class="special">;</span>
</pre>
<div class="itemizedlist"><ul 