palemoon-dev/platform/layout/reftests/css-ruby/line-height-4.html

<title>Bug 1134206 - Ruby line spacing adjustment on quirks mode</title>
<ruby>
  <rb>base</rb>
  <rtc style="ruby-position: over; font-size: 80%;"><rt style="color: transparent">text</rt></rtc>
  <rtc style="ruby-position: under; font-size: 50%;"><rt style="color: transparent">text</rt></rtc>
</ruby><br>
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