> Emacs is open source. I think the person you reply to is aware of that but is asking whether it's still available in upstream. > You will always be able to

> Emacs is open source. I think the person you reply to is aware of that but is asking whether it's still available in upstream. > You will always be able to do that. There's a difference between the functionality existing and having to implement it yourself. It's unlikely to be trivial to do so even if it's open source, so your response is not helpful to answering the question.