chromium/src/third_party/blink/web_tests/css3/selectors3/xml/css3-modsel-47.css

div.stub span, div.stub address, div.stub *|q, div.stub *|r { background-color: red; }
address, *|q, *|r { display: block; margin: 1em; }
div.stub *:not(p) { background-color: lime; }