mozilla-central/testing/web-platform/tests/mathml/presentation-markup/mrow/legacy-mrow-like-elements-002.html

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Legacy maction and semantics elements</title>
<meta name="assert" content="Verify that one can override the default rendering legacy maction and semantics elements using the display property">
<link rel="match" href="legacy-mrow-like-elements-002-ref.html">
</head>
<body>
<p>This test passes if you see 4 green squares and no red.</p>
<p>
<math>
<semantics>
<mspace style="display: none; background: red;" width="50px" height="50px"></mspace>
<mspace style="background: red;" width="50px" height="50px"></mspace>
<annotation style="display: math">
<span style="display: inline-block; width: 50px; height: 50px; background: green;"></span>
</annotation>
</semantics>
</math>
</p>
<p>
<math>
<semantics>
<mspace style="display: none; background: red;" width="50px" height="50px"></mspace>
<mspace style="background: red;" width="50px" height="50px"></mspace>
<annotation-xml style="display: inline-block" encoding="text/html">
<span style="display: inline-block; width: 50px; height: 50px; background: green;"></span>
</annotation-xml>
</semantics>
</math>
</p>
<p>
<math>
<maction actiontype="toggle">
<mspace style="display: none; background: red" width="50px" height="50px"></mspace>
<mspace style="display: math; background: green" width="50px" height="50px"></mspace>
</maction>
</math>
</p>
<p>
<math>
<maction actiontype="toggle" selection="2">
<mspace style="display: none; background: red" width="50px" height="50px"></mspace>
<mspace style="display: math; background: green" width="50px" height="50px"></mspace>
<mspace style="background: red" width="50px" height="50px"></mspace>
</maction>
</math>
</p>
<script src="/mathml/support/feature-detection.js"></script>
<script>MathMLFeatureDetection.ensure_for_match_reftest("has_mspace");</script>
</body>
</html>