Dactyloidae/testing/web-platform/tests/conformance-checkers/html-aria/roles-properties-global/roles-properties-global-main-aria-invalid-grammar.html

<!DOCTYPE html>
<html>
   <head>
      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
      <title>&lt;div&gt; with role main; global state or property "aria-invalid" value of "grammar"</title>
   </head>
   <body>
      <div id="test" role="main" aria-invalid="grammar">Placeholder content</div>
      <div id="obj1">obj1</div>
      <div id="obj2">obj2</div>
   </body>
</html>