mfenced-3c.xhtml
<?xml version="1.0" encoding="UTF-8"?>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>mfenced open close</title>
</head>
<body>
<p><math xmlns="http://www.w3.org/1998/Math/MathML">
<mfenced open="a a ">
<mi>xxxxxxxxxx</mi>
</mfenced>
</math></p>
<p><math xmlns="http://www.w3.org/1998/Math/MathML">
<mfenced open="a  a  ">
<mi>xxxxxxxxxx</mi>
</mfenced>
</math></p>
<p><math xmlns="http://www.w3.org/1998/Math/MathML">
<mfenced open="a	a	">
<mi>xxxxxxxxxx</mi>
</mfenced>
</math></p>
<p><math xmlns="http://www.w3.org/1998/Math/MathML">
<mfenced open="a		a		">
<mi>xxxxxxxxxx</mi>
</mfenced>
</math></p>
<p><math xmlns="http://www.w3.org/1998/Math/MathML">
<mfenced open="a
a
">
<mi>xxxxxxxxxx</mi>
</mfenced>
</math></p>
<p><math xmlns="http://www.w3.org/1998/Math/MathML">
<mfenced open="a

a

">
<mi>xxxxxxxxxx</mi>
</mfenced>
</math></p>
<p><math xmlns="http://www.w3.org/1998/Math/MathML">
<mfenced open="a
a
">
<mi>xxxxxxxxxx</mi>
</mfenced>
</math></p>
<p><math xmlns="http://www.w3.org/1998/Math/MathML">
<mfenced open="a

a

">
<mi>xxxxxxxxxx</mi>
</mfenced>
</math></p>
<p><math xmlns="http://www.w3.org/1998/Math/MathML">
<mfenced open="a 	

a 	

">
<mi>xxxxxxxxxx</mi>
</mfenced>
</math></p>
<p><math xmlns="http://www.w3.org/1998/Math/MathML">
<mfenced open="a  		



a  		



">
<mi>xxxxxxxxxx</mi>
</mfenced>
</math></p>
</body>
</html>