I have a long-running topic branch, hash-lang, on which I've been exploring how to use #lang supplied colors and indent. Instead of this dragging on for N more years, I'd really like to merge it soon. I've been working on it a lot the last couple months. Why so long My main concerns have been around: performance; the need for a live back end racket process just to edit a file; how to fit in with the rest of the Emacs ecosystem that only knows about Emacs "char-syntax" not tokens (e.g. still us...