instead of testing if an operator starts
with the letter \o we keep an explicit
dictonary of operators which should
be rendered using mover instead of
msub.
Bug: T352699
Change-Id: I916acf2f71d747a31a882fecfccac832436ea991
In TeX display math mode \sum_a^b is rendered as
munderover, however \alpha_a^b is redndered as
msubsup.
This changes improves the heuristics to differentiate
between munderover operators such as sum prod and
other macros such as alpha, beta ...
Bug: T352697
Change-Id: I5a993e379791edeb3623171265e5be2651ee1359
When rendering subscripts font arguments such as upright
font were not passed to the child nodes.
This changes passes the parameters.
Bug: T353340
Change-Id: I487bb01afa0d64c809affc4b8a466337d71a1c76
