[tex4ht] using verbatim fails on some content when using mathjax mode

[Michal Hoftich]

> I've took a look at MathJax documentation and couldn't find anything.
> I think only think you can do is to contact MathJax devs.

I've just found that TeX4ht doesn't produce <pre> element for verbatim
environment, it produces <div> instead. MathJax works correctly when I
use <pre>, so it will need to be fixed in the sources.

Best regards,
Michal