operator-dictionary-arabic-001.html

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8"/>
    <title>Spacing of Arabic operators</title>
    <link rel="help" href="https://w3c.github.io/mathml-core/#operator-fence-separator-or-accent-mo">
    <link rel="help" href="https://w3c.github.io/mathml-core/#operator-dictionary">
    <meta name="assert" content="Verifies default spacing of the Arabic characters U+1EEF0 and U+1EEF1.">
    <link rel="match" href="operator-dictionary-arabic-001-ref.html">
    <link rel="stylesheet" href="./support/operator-dictionary-tests.css"/>
    <style>
      mo {
        color: blue;
      }
    </style>
  </head>
  <body>

    <p>There should be no horizontal gaps between the squares:</p>
    <p><math><mn>_</mn><mo>&#x1EEF0;</mo><mn>_</mn></math></p>
    <p><math><mn>_</mn><mo>&#x1EEF1;</mo><mn>_</mn></math></p>

    <script src="/mathml/support/feature-detection.js"></script>
    <script>
      MathMLFeatureDetection.ensure_for_match_reftest("has_operator_spacing");
    </script>
  </body>
</html>

chromium/third_party/blink/web_tests/external/wpt/mathml/presentation-markup/operators/operator-dictionary-arabic-001.html