LayoutTests/http/tests/contentextensions/invalid-selector.html - external/github.com/WebKit/webkit - Git at Google

 <body>
 <p class="valid-selector">This text should not be visible.</p>
 <p class="non-universal-valid-selector">This text should not be visible.</p>
 <p class="body{">This text should be visible because the class is an invalid selector.</p>
 </body>
	<body>
	<p class="valid-selector">This text should not be visible.</p>
	<p class="non-universal-valid-selector">This text should not be visible.</p>
	<p class="body{">This text should be visible because the class is an invalid selector.</p>
	</body>