<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>mrow painting order</title>
    <link rel="help" href="https://www.w3.org/TR/MathML3/chapter3.html#presm.mfenced">
    <link rel="help" href="https://w3c.github.io/mathml-core/#stacking-contexts">
    <link rel="help" href="https://w3c.github.io/mathml-core/#horizontally-group-sub-expressions-mrow">
    <meta name="assert" content="Verify in which order the children paint">
    <link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
    <link rel="match" href="mrow-painting-order-ref.html">
    <style>
      .container {
          position: absolute;
          left: 2em;
          top: 10em;
      }
      math {
          font: 50px/1 Ahem;
      }
    </style>
  </head>
  <body>
    <p>This test passes if there is no red and content is stacked such that</p>
    <ul>
      <li>foreground (dark colors) is above background (light colors)</li>
      <li>yellow foreground is above green foreground which is itself above blue foreground</li>
      <li>yellow background is above green background which is itself above blue background</li>
    </ul>
    <div class="container">
      <math>
        <mrow>
          <mn style="color: blue; background: lightblue">XXÉ</mn>
          <mn style="color: red">X</mn>
          <mn style="color: green; background: lightgreen; margin-inline-start: -3em">p&#xA0;XXÉ</mn>
          <mn style="color: red">X</mn>
          <mn style="color: yellow; background: lightyellow; margin-inline-start: -3em">p&#xA0;X</mn>
        </mrow>
      </math>
    </div>
  </body>
</html>
