counter-list-item-slot-order-ref.html

<!DOCTYPE html>
<html>
  <head>
    <title>HTML LI element: counter order with Shadow DOM and SLOT</title>
    <link rel="author" title="Martin Robinson" href="mailto:[email protected]">
    <link rel="help" href="https://www.w3.org/TR/css-lists-3/#inheriting-counters">
    <style>
      li::before { content: counters(list-item,'.') ' '; }
    </style>
  </head>
  <body>

    <ol>
    <li>One</li>
    <li>Two</li>
      <ol>
        <li>Two Point One</li>
      </ol>
    </ol>

  </body>
</html>

chromium/third_party/blink/web_tests/external/wpt/css/css-lists/counter-list-item-slot-order-ref.html