<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS test reference</title>
<link rel="author" title="Javier Fernandez Garcia-Boente" href="mailto:jfernandez@igalia.com"/>
<style>
    div {
        white-space: pre;
        line-height: 1;
    }
</style>

<p>Test passes if the characters below are arranged in pairs with a empty line in between.</p>
<div>ああ<br><br>ああ</div>
