It's amusing that parsing theory was already at least 1-2 decades old by the time they made this mistake (consider that ALGOL 60 had a complicated grammar, intr

It's amusing that parsing theory was already at least 1-2 decades old by the time they made this mistake (consider that ALGOL 60 had a complicated grammar, introducing BNF too). I'd chalk it up to this being a shell language that was evolved rather than designed.