I can't comment on the quality (I don't know anything about PL design) but the page is older than LLMs. http://web.archive.org/web/20170506182606/https://cs.lm

I can't comment on the quality (I don't know anything about PL design) but the page is older than LLMs. http://web.archive.org/web/20170506182606/https://cs.lmu.edu/~ray/notes/languagedesignnotes/ http://web.archive.org/web/20170506182606/https://cs.lmu.edu... I have to say that the 2017 version is a lot less intimidating though.