                 <code class="computeroutput"><span class="identifier">g</span><span class="special">[</span><span class="identifier">fa</span><span class="special">]</span></code>
                  </p>
                </td>
<td>
                  <p>
                    Call semantic action, <code class="computeroutput"><span class="identifier">fa</span></code>
                    <span class="emphasis"><em>before</em></span> invoking <code class="computeroutput"><span class="identifier">g</span></code>.
