css/css-syntax/unicode-range-selector.html

<!doctype html>
<meta charset="utf-8">
<title>Unicode range is not a token, and doesn't cause confusion in selectors</title>
<link name="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
<link rel="help" href="https://drafts.csswg.org/css-syntax/#urange">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
  a { color: red }
  u+a { color: green }
</style>
<u></u><a></a>
<script>
  test(function() {
    assert_equals(
      getComputedStyle(document.querySelector("a")).color,
      "rgb(0, 128, 0)"
    );
  }, "Unicode range is not a token, and doesn't cause confusion in selectors");
</script>