Lisp in Life is a Lisp interpreter implemented in Conway's Game of Life. The entire pattern is viewable on the browser here. To the best of my knowledge, this is the first time a high-level ...
Elisp is a lisp-2 with user-defined macros. A simple parser cannot detect if e.g. (foo (let ...)) is a function call with a let expression argument, or a macro call where let means something else.