<!DOCTYPE html>
<html>
<head>
  <meta charset=utf-8>
  <title>&lt;i&gt;</title>
</head>
<body>
  <!-- is structured inline -->
  <p><i class="class" lang="en">text</i></p>

  <!-- is strictly inline -->
  <p><dfn><i class="class" lang="en">text</i></dfn></p>

  <!-- can be empty -->
  <p>text <i></i></p>
  <p>text <dfn><i></i></dfn></p>

  <!-- can contain interactive -->
  <p><i><a>text</a></i></p>
  <p><dfn><i><a>text</a></i></dfn></p>

  <!-- cannot contain structured inline -->
</body>
</html>