<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="UTF-8">
<title>CSS Reference: text-combine-upright, no line break</title>
<link rel="author" title="Xidorn Quan" href="https://www.upsuper.org">
<link rel="stylesheet" href="support/tcy.css">
<style>
.test { writing-mode: vertical-rl; }
.test > p { height: 3em; margin: 0 5em; }
.tcy, .fake-tcy { color: transparent; }
</style>
</head>
<body>
<p>Test passes if the two columns are identical.</p>
<div class="test">
  <p style="white-space: nowrap">XXXXX<span class="fake-tcy">X</span>XXXXX</p>
  <p style="white-space: nowrap">XXXXX<span class="fake-tcy">X</span>XXXXX</p>
</div>
</body>
</html>