A tokenizer for EBNF written in R7RS Scheme | A full dive into EBNF, how it works, and its relationship to Chomsky Hierarchy

About a few days ago I posted this, asking for help to implement the parser. It seems like I boomer’d and I forgot to set the Gist to public. This is public (hopefully!). Someone did gave me a link, but I kinda could not ‘parse’ it (get it? get it?). I still would appreciate it if you would give me guidance in parsing with...