This is a sign of a great text editor community: when you see an idea elsewhere, you explore it and see if you can achieve the same advantages! https://www.reddit.com/r/emacs/comments/88b51s/putting_the_i_back_in_ide_jane_sts_emacsbased/dwkwcg9/
(Tarsius has lots of valuable opinions on VCS integration with editors, of course.)