...and write all the types (without generics) - no, thank you! Sarcasm aside, Lisp is as much as possible well-suited for the job of text and AST processing, E

...and write all the types (without generics) - no, thank you! Sarcasm aside, Lisp is as much as possible well-suited for the job of text and AST processing, Emacs is one of the Lisp's "killer apps" and the second best "case study" after classic old-school AI code (PAIP).