 files with objects (or categories) defining EDCGs using the compiler option <code class="docutils literal notranslate"><span class="pre">hook(edcg)</span></code>.</p></li>
</ul>
</div></blockquote>
<div class="line-block">
<div class="line"><strong>Inherited public predicates:</strong></div>
<div class="line-block">
<div class="line"> <a class="reference internal" href="expanding_0.html#expanding-0-goal-expansion-2"><span class="std std-ref">goal_expansion/2</span></a>  <a class="reference internal" href