src/third_party/web_platform_tests/conformance-checkers/html/elements/br/model-isvalid.html - cobalt - Git at Google

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

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

   <!-- must be empty -->
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset=utf-8>
	<title><br></title>
	</head>
	<body>
	<!-- is structured inline -->
	<p>text <br class="class" lang="en"></p>

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

	<!-- must be empty -->
	</body>
	</html>