vertical-alignment-vlr-019.xht
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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>CSS Writing Modes Test: vertical-align - 'sub' and vertical-lr writing-mode</title>
<link rel="author" title="Hajime Shiozawa" href="mailto:hajime.shiozawa@gmail.com" />
<link rel="reviewer" title="GĂ©rard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2015-10-29 -->
<link rel="help" title="7.5 Line-Relative Mappings" href="http://www.w3.org/TR/css-writing-modes-3/#line-mappings" />
<link rel="help" title="10.8.1 Leading and half-leading" href="http://www.w3.org/TR/2011/REC-CSS2-20110607/visudet.html#leading" />
<meta name="assert" content="This test checks the position of inline non-replaced box with vertical align property. When 'writing-mode' is 'vertical-lr', 'text-orientation' is 'upright', 'vertical-align' is 'sub', the baseline of the box is shifted to the left." />
<meta name="flags" content="ahem" />
<style type="text/css"><![CDATA[
div#lr-upright
{
writing-mode: vertical-lr;
font: 60px/3 Ahem; /* computes to 60px/180px */
color: orange;
text-orientation: upright;
}
span
{
vertical-align: sub;
color: blue;
margin-top: -1em;
}
]]></style>
</head>
<body>
<p>Test passes if there are a blue square on the left and an orange rectangle on the right.</p>
<div id="lr-upright">O<span>2</span></div>
</body>
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