ding">Bidrectionality</a>
        <ul>
	  <li><a href="#ltr.heading">Base directionality: left to right</a></li>
	  <li><a href="#rtl.heading">Base directionality: right to left</a></li>
	  <li><a href="#bdo.heading">Bidirectionality override: <code>bdo</code></a></li>
	</ul>
      </li>
      <li><a href="#text.heading">Text</a>
        <ul>
	  <li><a href="#phrase.heading">Phrase elements: <code>em</code>, <code>strong</code>, <code>dfn</code>, <code>code</code>, <code>samp</code>, <code>kbd</code>, <code