chromium/third_party/blink/web_tests/external/wpt/css/css-ruby/ruby-annotation-pairing-001.html

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 <meta charset="UTF-8">

 <title>CSS Ruby Test: single ruby annotation pairing</title>

  <link rel="author" title="GĂ©rard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
  <link rel="help" href="https://www.w3.org/TR/css-ruby-1/#base-annotation-pairing">
  <link rel="match" href="reference/ruby-annotation-pairing-001-ref.html">
  <link rel="stylesheet" href="/fonts/ahem.css">

  <meta content="" name="flags">
  <meta content="This test checks that a single ruby annotation must be paired with the corresponding first ruby base of its segment.">

  <!--
  Chromium 90.0.4430.212 and Chromium 93.0.4559.0 fail this test.
  -->

  <style>
  div, p
    {
      font-family: Ahem;
      font-size: 60px;
      line-height: 1;
    }

  div#annotation
    {
      font-size: 30px;
      text-indent: 15px;
    }
  </style>

  <p><ruby><rb>W</rb> <rb>Z</rb> <rt>A</rt></ruby></p>

  <div id="annotation" title="reference">A</div>

  <div id="base" title="reference">W Z</div>

  <p><ruby><rb>W</rb> <span>Z</span> <rt>A</rt></ruby></p>