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- This WPT test may be referenced by the following Test IDs:
- /mathml/presentation-markup/operators/mo-single-char-and-children.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html class="reftest-wait">
<head>
<meta charset="utf-8">
<title><mo> with a single character and children</title>
<link rel="help" href="https://w3c.github.io/mathml-core/#dfn-algorithm-for-determining-the-properties-of-an-embellished-operator">
<meta name="assert" content="Verify that the default operator properties are used for an mo element whose text is a single character but which contains children.">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css"/>
<link rel="match" href="mo-single-char-and-children-ref.html">
<style>
math { font: 25px/1 Ahem; }
</style>
</head>
<body>
<p>There should be 5/18em horizontal gaps around the middle rectangles:</p>
<p><math><mn>p</mn><mo><span>(</span></mo><mn>p</mn></math></p>
<p><math><mn>p</mn><mo>(<span></span></mo><mn>p</mn></math></p>
<p><math><mn>p</mn><mo><span></span>(</mo><mn>p</mn></math></p>
<p><math><mn>p</mn><mo id="dynamic-add">(</mo><mn>p</mn></math></p>
<p><math><mn>p</mn><mo id="dynamic-text-add">=</mo><mn>p</mn></math></p>
<p>There should be no horizontal gap around the middle rectangles:</p>
<p><math><mn>p</mn><mo stretchy="false">(</mo><mn>p</mn></math></p>
<p><math><mn>p</mn><mo id="dynamic-remove" stretchy="false"><span></span>(</mo><mn>p</mn></math></p>
<p><math><mn>p</mn><mo stretchy="false"><!-- COMMENT -->(</mo><mn>p</mn></math></p>
<p>There should be 4/18em horizontal gaps around the middle rectangles:</p>
<p><math><mn>p</mn><mo>&<!-- COMMENT -->&</mo><mn>p</mn></math></p>
<p><math><mn>p</mn><mo id="dynamic-text-add-2">&</mo><mn>p</mn></math></p>
<script src="/mathml/support/feature-detection.js"></script>
<script>
MathMLFeatureDetection.ensure_for_match_reftest("has_operator_spacing");
let mo = document.getElementById("dynamic-add");
mo.appendChild(document.createElement("span"));
mo = document.getElementById("dynamic-text-add");
mo.appendChild(document.createTextNode("="));
mo = document.getElementById("dynamic-text-add-2");
mo.appendChild(document.createTextNode("&"));
mo = document.getElementById("dynamic-remove");
mo.removeChild(mo.firstElementChild);
document.documentElement.classList.remove('reftest-wait');
</script>
</body>
</html>