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<!DOCTYPE html>
<title>No tuning of lspace/rspace when scriptlevel is positive</title>
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=2018406"/>
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css"/>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/mathml/support/feature-detection.js"></script>
<style>
math { font: 100px/1 Ahem; }
</style>
<math display="block">
<mrow id="big"><mn>1</mn><mo>O</mo><mn>2</mn></mrow>
</math>
<math display="block">
<mstyle id="small" scriptlevel="1"><mn>3</mn><mo>O</mo><mn>4</mn></mstyle>
</math>
<script>
test(function() {
const epsilon = 0.1;
let bigWidth = big.children[0].getBoundingClientRect().width;
let smallWidth = small.children[0].getBoundingClientRect().width;
let bigSpace =
big.getBoundingClientRect().width -
bigWidth * big.children.length;
let smallSpace =
small.getBoundingClientRect().width -
smallWidth * small.children.length;
assert_approx_equals(smallSpace / bigSpace, smallWidth / bigWidth, epsilon);
}, `default lspace/rspace in scriptlevel = 1 is just obtained by scaling down the one for scriptlevel = 0.`);
</script>
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