chromium/third_party/blink/web_tests/fast/ruby/ruby-columns.html

<!DOCTYPE html>
<title>A test for multiple ruby columns</title>
<body>
<br>
<br>
<p>&lt;ruby&gt; is defined in the <ruby>H<rt>Hyper</rt>T<rt>Text</rt>M<rt>Markup</rt>L<rt>Language</rt>5<rt>Level 5</rt></ruby> specs.</p>
</body>