[tex4ht] new problem with tex4ht and matjax, table of content with math in section titles

[Michal Hoftich]

> And it worked very well. TOC looks OK now with mathjax.
>
> I hope in texlive 2019 these style files will become part of
> texlive.

I will add it eventually, even in TL 2018. I have just too long ToDo list :(

Best,
Michal