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Test Info:

<!DOCTYPE html>
<html class="reftest-wait">
<head>
<meta charset="utf-8">
<title>Dynamic mtext-like elements</title>
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<script src="/mathml/support/mathml-fragments.js"></script>
<meta name="assert" content="Dynamically set children of mtext-like elements.">
<style>
math {
font: 25px/1 Ahem;
background: lightblue;
}
li {
padding: 2px;
}
</style>
<link rel="match" href="dynamic-mtext-like-001-ref.html">
<script>
window.addEventListener("load", function() {
// force initial layout so we're sure what we're testing against
document.documentElement.getBoundingClientRect();
Array.from(document.getElementsByClassName("testedElement")).forEach(e => {
if (e.textContent === "")
e.textContent = "É";
else if (e.textContent === "X")
e.textContent = "pX";
else if (e.textContent === "p") {
while (e.firstChild)
e.removeChild(e.firstChild);
e.insertAdjacentHTML("beforeend", "<span>Xp</span>")
}
});
document.documentElement.classList.remove('reftest-wait');
});
</script>
</head>
<body>
<ol>
<li><math><mtext class="testedElement"></mtext></math></li>
<li><math><mtext class="testedElement">X</mtext></math></li>
<li><math><mtext class="testedElement">p</mtext></math></li>
<li><math><mi class="testedElement"></mi></math></li>
<li><math><mi class="testedElement">X</mi></math></li>
<li><math><mi class="testedElement">p</mi></math></li>
<li><math><mn class="testedElement"></mn></math></li>
<li><math><mn class="testedElement">X</mn></math></li>
<li><math><mn class="testedElement">p</mn></math></li>
<li><math><mo class="testedElement"></mo></math></li>
<li><math><mo class="testedElement">X</mo></math></li>
<li><math><mo class="testedElement">p</mo></math></li>
<li><math><mo class="testedElement"></mo></math></li>
<li><math><mo class="testedElement">X</mo></math></li>
<li><math><mo class="testedElement">p</mo></math></li>
<li><math><ms class="testedElement"></ms></math></li>
<li><math><ms class="testedElement">X</ms></math></li>
<li><math><ms class="testedElement">p</ms></math></li>
<!-- HTML parser does not accept span as a child of annotation or
annotation-xml, so we can't test dynamic VS static. -->
<li><math><annotation class="testedElement"></annotation></math></li>
<li><math><annotation class="testedElement">X</annotation></math></li>
<li><math><annotation-xml class="testedElement"></annotation-xml></math></li>
<li><math><annotation-xml class="testedElement">X</annotation-xml></math></li>
</ol>
</body>
</html>