<!DOCTYPE html>
<!--
Reftest 1 for Bug 1395777 (test file)
-->
<html lang="zh-TW">
<head>
<meta charset="UTF-8">
<style>
body {
  font-size: 30px;
  line-height: 1;
}
rtc {
  writing-mode: vertical-rl;
  text-orientation: upright;
}
</style>
</head>
<body>
  <ruby>
    <rbc>BASE</rbc><rtc>RT</rtc>
  </ruby>
</body>
</html>