added mathrm and color to text environments inside math blocks

[superle3]

solves #378.

Ideally I would make this a setting since there are more text environments people may want to use like \textit, \label or something else but that don't make sense as default options.
But I first want to know if that feature is alright before I work on it.

[artisticat1]

Thanks!

... \textit, \label or something else but that don't make sense as default options.

Oh, I'd have thought they make sense to add as well - why not?

[superle3]

I haven't used them, so I don't know if they make sense as default. But you also have \textcolor instead of \color which look the same or \textrm instead of \mathrm. So adding every environment seemed unnecessary.

I mostly use \text for text and \mathrm for math things like V_{\mathrm{Tot}} or \mathrm{Sinc} . Besides that I don't think I use another text environment.
\operatorname would also make sense as a default.

But can it be a setting or not?

[artisticat1]

Sure, we can make it a setting. We currently have a couple of settings for things which make better sense being hardcoded (e.g. the list of matrix environments), but are there in case a user wishes to tweak them.

But you also have \textcolor instead of \color which look the same or \textrm instead of \mathrm. So adding every environment seemed unnecessary.

I think it makes sense to add all text environments one might conceivably use.