namespace="MathML"
namespaceURI="http://www.w3.org/1998/Math/MathML"
guardFactoryWith="ENABLE(MATHML)"
attrsNullNamespace

alttext
background
close
color
columnspan
definitionURL
denomalign
depth
encoding
fontfamily
fontsize
fontstyle
fontweight
height
linethickness
mathbackground
mathcolor
mathsize
mathvariant
numalign
open
rowspan
separators
stretchy
width