[mananaysiempre]

Also Scribble[1] / Pollen[2] (Racket, extensible in same) and Patoline[3] (O’Caml, extensible in same).

[1] https://docs.racket-lang.org/scribble/

[2] https://docs.racket-lang.org/pollen/

[3] https://patoline.github.io/