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chromium/third_party/blink/web_tests/external/wpt/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/legend-list-item-ref.html 

<!doctype html>
<title>Reference for legend and dipslay: list-item</title>
<style>
  div { margin: 0 40px; display: list-item; }
</style>
<p>There should be a bullet point below.</p>
<div>X</div>