<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<body>
<p>The following is a test for DOM manipulation within &lt;ruby&gt;: Inserting a new text before another text of a ruby base.</p>
<br>
<br>
<p>&lt;ruby&gt; is defined in the <ruby>HT<span>ML</span><rt>Hyper-text Markup Language</rt>5</ruby> spec.</p>
</body>
</html>