I think of it more as dynamic extent but don’t want to be splitting hairs. Not that I don’t love how Emacs does it, but I just think it’s not that closely corr

I think of it more as dynamic extent but don’t want to be splitting hairs. Not that I don’t love how Emacs does it, but I just think it’s not that closely correlated to the notion of what is a buffer as the header of the article implied