>>105967119
Once upon a time, there was a version of Xanadu implemented in Emacs Lisp.
https://www.jwz.org/blog/2024/01/hypertext-emerges-from-his-well-to-shame-the-tech-industry/
https://xanadu.com/xUniverse-D6

Young Ted Nelson in 1984
https://www.youtube.com/watch?v=p0pFpG3Jq2A