third_party/web_platform_tests/conformance-checkers/html-rdfa/0331-isvalid.html - cobalt - Git at Google

 <!DOCTYPE html>
 <html prefix="dcterms: http://purl.org/dc/terms/">
 <head>
    <meta charset=utf-8>
    <title>Test 0331</title>
 </head>
 <body lang="en">
   <div property="dcterms:language" datatype="dcterms:RFC5646" content="af">Afrikaans</div>
 </body>
 </html>
	<!DOCTYPE html>
	<html prefix="dcterms: http://purl.org/dc/terms/">
	<head>
	<meta charset=utf-8>
	<title>Test 0331</title>
	</head>
	<body lang="en">
	<div property="dcterms:language" datatype="dcterms:RFC5646" content="af">Afrikaans</div>
	</body>
	</html>