<!DOCTYPE html>
<html class="reftest-wait">
<head>
<meta charset="utf-8">
<title>visibility</title>
<link rel="help" href="https://w3c.github.io/mathml-core/#css-styling">
<link rel="help" href="https://w3c.github.io/mathml-core/#text-mtext">
<link rel="help" href="https://w3c.github.io/mathml-core/#fraction-with-nonzero-line-thickness">
<link rel="match" href="visibility-002-ref.html"/>
<meta name="assert" content="Verify that visibility=hidden is used for the text and fraction bar of the mfrac element.">
