sup in math, sup as MathML
0 m2
sup in math, sup as XHTML
0 m2
p and font in math, all as MathML

` epsilon, `` delta ```

p and font in math, only math as MathML

` epsilon, `` delta ```

sub and sup, all as MathML
M3-> N2,3N2,3
sub and sup, only math as MathML
M3-> N2,3N2,3