Subtext

Jonathan Edwards programming language project. https://www.subtext-lang.org/

https://github.com/JonathanMEdwards/subtext10/blob/master/doc/language.md

https://en.wikipedia.org/wiki/Subtext_(programming_language)

Phil Jones: The thing is, most people start with an outliner as their notetaker / PKM and then think about how to kludge scripting / scriptability into it. Edwards starts with a programming language / environment which is fundamentally a tree-shaped outliner, from the start.