provide a "official" standalone function for removing any rich markup from a string

[calestyo]

Hey.

I'd like allow for making optional use of rich or things like e.g. rich_argparse.
Problem is now, that if rich isn’t available (or explicitly disabled, e.g. via some option), then I need a way to get rid of any rich markup that I’ve included in my strings for the case that rich is available/used.

While I can do this of course with rich itself (like via rich.text.Text.from_markup(markup).plain), I need it for the case that rich isn’t available.

Could you perhaps ship an “official” example function that covers all possible markup formats and removes them from a given string (and also undoes any escaping via e.g. rich.markup.escape())? Ideally under some permissive licence (well for me GPL would be okay, but others might find this useful, too).

People could then copy and paste that in their code and use it in case rich isn’t available.

Thanks :-)