Intro This article continues my exploration into formal grammars. If you haven’t read the first part yet, I highly recommend you start there before diving into this one. Otherwise, some things might seem unclear or not fully explained. And if you spot any inaccuracies or feel I should add something interesting, feel free to let me know. META II In 1963-1964, just a few years after the creation of BNF, Dewey Val Schorre — who was at UCLA at the time — developed a programming language cal...