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<!doctype html>
<html>
<meta charset="utf-8">
<title>Reference File for line breaking tests using ideographic caracters</title>
<!--
As 口 is as a CJK ideograph, its advance is expected to be 1em,
and as both background and color are green
this file should typically render identically to line-breaking-001-ref.
However, depending on the particular font available,
the glyph could be missing or sized differently.
Also, there may be and anti-aliasing / font rendering differences between
a 1em × 1em green background (this file)
and a 1em × 1em green glyph from the Ahem font (line-breaking-001-ref).
Therefore, as both files are only likely, not certain, to render identically,
we need both.
-->
<style>
div {
color: green;
background :green;
line-height: 1em;
width: 1em;
font-size: 20px;
}
</style>
<body>
<p>There should be a green rectangle and no red.</p>
<div>口<br>口</div>
</body>
</html>