Ask HN: Favorite Random Markup Language

[Player6225]

Recently, I've been pretty interested in markup languages for hyper-specific tasks. Things like, CookLang[0], Traindown[1], and Fountain[2].

I was wondering what other kinds of similar projects people have seen?

[0]: https://cooklang.org (for recipes)

[1]: https://traindown.com (for workout logging)

[2]: https://fountain.io (for screenwriting)

[ajstarks]

deck (https://github.com/ajstarks/deck), with its DSL decksh (https://github.com/ajstarks/decksh)