<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset=utf-8> | |
<title><sub></title> | |
</head> | |
<body> | |
<!-- not a block --> | |
<sub>text</sub> | |
<!-- cannot contain structured inline --> | |
<p><sub><ul><li>text</li></ul></sub></p> | |
<!-- cannot contain interactive if parent forbids interactive --> | |
<p><a><sub><a>text</a></sub></a></p> | |
<p><a><dfn><sub><a>text</a></sub></dfn></a></p> | |
</body> | |
</html> |