chromium/third_party/blink/web_tests/external/wpt/css/css-ruby/ruby-dynamic-removal-001.html

<!DOCTYPE html>
<meta charset="UTF-8">
<title>Test for dynamic removal of ruby frames</title>
<link rel="author" title="Xidorn Quan" href="https://www.upsuper.org">
<link rel="author" title="Mozilla" href="https://www.mozilla.org">
<link rel="help" href="https://drafts.csswg.org/css-ruby-1/#box-fixup">
<link rel="match" href="ruby-dynamic-removal-001-ref.html">
<link rel="stylesheet" href="support/ruby-common.css">
<script src="support/ruby-dynamic-removal.js"></script>
<p>No space should exist between 'a' and 'b':</p>

<!-- inter-base white space -->
<!--     => leading white space -->
<p>a<ruby><rb class="remove"></rb> <rb></rb></ruby>b</p>
<!--     => trailing white space -->
<p>a<ruby><rb></rb> <rb class="remove"></rb></ruby>b</p>
<!--     => inter-level white space -->
<p>a<ruby><rb></rb> <rb class="remove"></rb><rt></rt></ruby>b</p>

<!-- inter-segment white space -->
<!--     => leading white space -->
<p>a<ruby><rbc class="remove"></rbc> <rbc></rbc></ruby>b</p>
<!--     => trailing white space -->
<p>a<ruby><rbc></rbc> <rbc class="remove"></rbc></ruby>b</p>
<!--     => inter-level white space -->
<p>a<rbc></rbc> <rbc class="remove"></rbc><rtc></rtc>b</p>

<!-- inter-annotation white space -->
<!--     => leading white space -->
<p><rb>a</rb><rb>b</rb><rtc><rt class="remove"></rt> <rt>x</rt></rtc></p>
<!--     => trailing white space -->
<p><rb>a</rb><rb>b</rb><rtc><rt>x</rt> <rt class="remove"></rt></rtc></p>
<!--     => inter-level white space -->
<p><rb>a</rb><rb>b</rb><rt class="remove"></rt> <rt>x</rt></p>