if<br>
  <div class="second_align">
 	X -&gt; [2];<br>
 	true -&gt; []<br>
  </div>
     end<br>
  </div>
  end.<br>
  </em>
  <strong>becomes</strong> <br>
  <em>
  begin <br>
  <div class="first_align">
     X = true,<br>
     [2]<br>
  </div>
  end.<br>
  </em>
  </li>
  </ul>
 
<h2><a name="index">Function Index</a></h2>
<table width="100%" border="1" cellspacing="0" cellpadding="2" summary="function index"><tr><td valign="top"><a href="#rules-2">rules/2</a></td><td>
  Returns a list with a single rule 