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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Stretchy in inferred 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="Operators can stretch 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>
<style>
mo {
font-size: 10px;
font-family: axisheight5000-verticalarrow14000;
}
@font-face {
font-family: axisheight5000-verticalarrow14000;
src: url("/fonts/math/axisheight5000-verticalarrow14000.woff");
}
</style>
<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", "None", "Mprescripts"].forEach((tag) => {
var mo = document.getElementById(`mo${tag}`);
test(function() {
assert_true(MathMLFeatureDetection.has_mspace());
assert_greater_than_equal(mo.getBoundingClientRect().height, 100);
}, `operator stretching inside ${tag}`);
});
done();
}
</script>
</head>
<body>
<div id="log"></div>
<p>
<math><mrow><mo id="moMrow">↨</mo><mspace width="1px" height="100px" style="background: blue"></mspace></mrow></math>
<math><msqrt><mo id="moSqrt">↨</mo><mspace width="1px" height="100px" style="background: magenta"></mspace></msqrt></math>
<math><mstyle><mo id="moStyle">↨</mo><mspace width="1px" height="100px" style="background: magenta"></mspace></mstyle></math>
<math><merror><mo id="moError">↨</mo><mspace width="1px" height="100px" style="background: magenta"></mspace></merror></math>
<math><mphantom><mo style="visibilty: visible;" id="moPhantom">↨</mo><mspace width="1px" height="100px" style="background: magenta"></mspace></mphantom></math>
<math><mo id="moMath">↨</mo><mspace width="1px" height="100px" style="background: magenta"></mspace></math>
<!-- menclose is treated as <unknown> in MathML Core -->
<math><menclose notation="box"><mo id="moMenclose">↨</mo><mspace width="1px" height="100px" style="background: magenta"></mspace></menclose></math>
<math><mpadded lspace="10px"><mo id="moMpadded">↨</mo><mspace width="1px" height="100px" style="background: magenta"></mspace></mpadded></math>
<math><unknown><mo id="moUnknown">↨</mo><mspace width="1px" height="100px" style="background: magenta"></mspace></unknown></math>
<math><mtable><mtr><mtd><mo id="moMtd">↨</mo><mspace width="1px" height="100px" style="background: magenta"></mspace></mtd></mtr></mtable></math>
<math><none><mo id="moNone">↨</mo><mspace width="1px" height="100px" style="background: magenta"></mspace></none></math>
<math><mprescripts><mo id="moMprescripts">↨</mo><mspace width="1px" height="100px" style="background: magenta"></mspace></mprescripts></math>
</p>
</body>
</html>
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