<!DOCTYPE html>
<meta charset="utf-8">
<title>mathbackground on mrow</title>
<link rel="help" href="https://mathml-refresh.github.io/mathml-core/#legacy-mathml-style-attributes">
<link rel="help" href="https://mathml-refresh.github.io/mathml-core/#text-mtext">
<link rel="help" href="https://mathml-refresh.github.io/mathml-core/#horizontally-group-sub-expressions-mrow">
<link rel="mismatch" href="mathbackground-001-notref.html"/>
<meta name="assert" content="mathbackground on a mrow has a visual effect.">
<math xmlns="http://www.w3.org/1998/Math/MathML">
  <mrow mathbackground="red">
    <mtext>□■□■□■□</mtext>
  </mrow>
</math>