">following, <a href="conform.html#following" title="element, following" class="index-def"><strong>1</strong></a>
    <li class="tocline0">preceding, <a href="conform.html#preceding" title="element, preceding" class="index-def"><strong>1</strong></a>
  </ul>
  <li class="tocline0">'elevation', <a href="aural.html#propdef-elevation" title="'elevation'" class="index-def"><strong>1</strong></a>
  <li class="tocline0">em (unit), <a href="syndata.html#em-width" title="em (unit)" class="index-def"><strong>1</stro