What made it stick for me: a compiler course. NFAs, DFAs, lexers, parsers, semantic rule checking, etc. Btw: Lexer-less derivation parsers are interesting beca

What made it stick for me: a compiler course. NFAs, DFAs, lexers, parsers, semantic rule checking, etc. Btw: Lexer-less derivation parsers are interesting because of how simple they are to write and maintain. IIRCBIMW, they are neither LL or LR.