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<!DOCTYPE html>
<meta charset="utf-8">
<title>Tests that the sizeAdjust attribute of FontFace works</title>
<script>
/* Load Ahem similarly to the testcase so that Gecko gives it the
same antialiasing treatment. */
const ahem = new FontFace(
'Ahem-normal',
'local("Ahem"), url("/fonts/Ahem.ttf")');
document.fonts.add(ahem);
</script>
<style>
#target {
font-family: "Ahem-normal";
font-size: 40px;
letter-spacing: 10px;
}
span {
font-size: 50%;
}
</style>
<p>The first and fourth characters should be double-sized:</p>
<div id="target">
F<span>oo</span>B<span>ar</span>
</div>