It looks like the problem space the author is addressing is broader than Emacs; they seem to want to make TUI's one of many different, first-class-citizen prese

It looks like the problem space the author is addressing is broader than Emacs; they seem to want to make TUI's one of many different, first-class-citizen presentation layer options, interacting with many different input mechanisms. A Lego approach to UI frameworks basically as far as I can tell. It would be interesting if there was an Arcan-philosophy UI framework in CL for an updated Climacs on top of a bare metal Lisp environment, for a turtles-all-the-way-down CL experience. It would open up interesting interactions with Emacs that are an unreasonably big pain to implement today, like buffers that manipulate view ports into observability data under a pluggable UI that renders graphically a graph data-oriented view of the discovered structure of the data under an investigation taking notes into a Jupiter-like notebook with rich multimedia data, for instance.