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Test Info:

<!DOCTYPE html>
<html class="reftest-wait">
<body>
<math>
<mo id="mo1">&#x2061;<!-- FUNCTION APPLICATION --></mo>
</math>
<p>
<math>
<mo id="mo2">&#x2062;<!-- INVISIBLE TIMES --></mo>
</math>
<p>
<math>
<mo id="mo3">&#x2063;<!-- INVISIBLE SEPARATOR --></mo>
</math>
<p>
<math>
<mo id="mo4">&#x2064;<!-- INVISIBLE PLUS --></mo>
</math>
<p>
<!-- Test preferred width after dynamic change-->
<table>
<tr>
<td style="border: 1px solid;">
<math>
<mo id="mo5">&ApplyFunction;</mo>
</math>
</td>
</tr>
</table>
<script type="text/javascript">
function doTest() {
document.getElementById('mo1').firstChild.data = '1';
document.getElementById('mo2').firstChild.data = '2';
document.getElementById('mo3').firstChild.data = '3';
document.getElementById('mo4').firstChild.data = '4';
document.getElementById('mo5').firstChild.data = 'x';
document.documentElement.removeAttribute("class");
}
window.addEventListener("MozReftestInvalidate", doTest);
</script>
</body>
</html>