The history of computers and software is full of nerdy and obscure jokes well beyond the caricatures of exiting vim. Complier compiler (explain that to most people!) to yet another compiler compiler to bison is one of those.
What are your favourite obscure computer nerd jokes?
What? and I am a programmer 😅
Compiler compiler (cc) -> yet another compiler compiler (yacc) -> bison (because yacc sounds like “yak”)