testing/web-platform/tests/conformance-checkers/html/microdata/itemid/userinfo-username-contains-at-sign-novalid.html


1
2
3
4

<!DOCTYPE html>
<meta charset=utf-8>
<title>invalid itemid: userinfo-username-contains-at-sign</title>
<div itemid="http://::@c@d:2" itemtype="http://foo" itemscope></div>