Yup, Kakoune was it. Thanks! Edit: And, as had to be the case, someone has made a simple simulation of Kakoune for Emacs: https://github.com/jmorag/kakoune.el

Yup, Kakoune was it. Thanks! Edit: And, as had to be the case, someone has made a simple simulation of Kakoune for Emacs: https://github.com/jmorag/kakoune.el https://github.com/jmorag/kakoune.el