[neilv]

https://docs.racket-lang.org/scribble/

It's like LaTeX, but in Scheme.

Matthew Butterick did the visual redesign of the Web format output.

[neilv]

At one point, I made my embedded API/package docs tool use Scribble.

For example, this document for a package is generated entirely from fragments scattered throughout the code, and package metadata: https://docs.racket-lang.org/roomba/