<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Test for ruby line break suppression</title>
  <link rel="stylesheet" href="common.css">
</head>
<body>
  <ruby><span>a
b</span></ruby><br>
  <rbc><span>a
b</span></rbc><br>
  <rtc><span>a
b</span></rtc><br>
  <rb><span>a
b</span></rb><br>
  <rt><span>a
b</span></rt><br>
</body>
</html>