[tex4ht] problem using "\" inside verbatim in make4ht mathjax mode

[Michal Hoftich]

Hi Nasser,

>
> "There are two exception to this rule. First,
> MathJax supports the \ref macro outside of math-mode"
>
> The good thing, it seems this is limited to this only.
>
> something must be special about "\ref".
>

MathJax supports cross-references, so it is understandable.

Best,
Michal