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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Spacing in mrows</title>
<link rel="help" href="https://w3c.github.io/mathml-core/#horizontally-group-sub-expressions-mrow">
<link rel="help" href="https://w3c.github.io/mathml-core/#radicals-msqrt-mroot">
<link rel="help" href="https://w3c.github.io/mathml-core/#style-change-mstyle">
<link rel="help" href="https://w3c.github.io/mathml-core/#error-message-merror">
<link rel="help" href="https://w3c.github.io/mathml-core/#making-sub-expressions-invisible-mphantom">
<link rel="help" href="https://w3c.github.io/mathml-core/#the-top-level-math-element">
<link rel="help" href="https://www.w3.org/TR/MathML3/chapter3.html#presm.menclose">
<link rel="help" href="https://w3c.github.io/mathml-core/#adjust-space-around-content-mpadded">
<link rel="help" href="https://w3c.github.io/mathml-core/#operator-fence-separator-or-accent-mo">
<meta name="assert" content="Spacing is added around operators inside mrow-like elements.">
<script src="/mathml/support/feature-detection.js"></script>
<script src="/mathml/support/fonts.js"></script>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script type="text/javascript">
setup({ explicit_done: true });
window.addEventListener("load", () => { loadAllFonts().then(runTests); });
function runTests()
{
["Mrow", "Sqrt", "Style", "Error", "Phantom", "Math", "Menclose", "Mpadded", "Unknown", "Mtd"].forEach((tag) => {
test(function() {
assert_true(MathMLFeatureDetection.has_operator_spacing());
var mrow = document.getElementById(tag);
var mn1 = mrow.firstElementChild.getBoundingClientRect();
var mn2 = mrow.lastElementChild.getBoundingClientRect();
assert_greater_than_equal(mn2.left - mn1.right, 50);
}, `operator spacing inside ${tag}`);
});
done();
}
</script>
</head>
<body>
<div id="log"></div>
<p>
<math><mrow id="Mrow"><mn>1</mn><mo lspace="50px">|</mo><mn>2</mn></mrow></math>
<math><msqrt id="Sqrt"><mn>1</mn><mo lspace="50px">|</mo><mn>2</mn></msqrt></math>
<math><mstyle id="Style"><mn>1</mn><mo lspace="50px">|</mo><mn>2</mn></mstyle></math>
<math><merror id="Error"><mn>1</mn><mo lspace="50px"></mo><mn>2</mn></merror></math>
<math><mphantom id="Phantom"><mn>1</mn><mo lspace="50px">|</mo><mn>2</mn></mphantom></math>
<math id="Math"><mn>1</mn><mo lspace="50px">|</mo><mn>2</mn></math>
<!-- menclose is treated as <unknown> in MathML Core -->
<math><menclose id="Menclose" notation="box"><mn>1</mn><mo lspace="50px">|</mo><mn>2</mn></menclose></math>
<math><mpadded id="Mpadded" lspace="10px"><mn>1</mn><mo lspace="50px">|</mo><mn>2</mn></mpadded></math>
<math><unknown id="Unknown"><mn>1</mn><mo lspace="50px">|</mo><mn>2</mn></unknown></math>
<math><mtable><mtr><mtd id="Mtd"><mn>1</mn><mo lspace="50px">|</mo><mn>2</mn></mtd></mtr></mtable></math>
</p>
</body>
</html>
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