I have a few toy programming languages I created as a hobby / learning exercise. (Most of them I’ve never released, maybe some day.) In one of them, I decided

I have a few toy programming languages I created as a hobby / learning exercise. (Most of them I’ve never released, maybe some day.) In one of them, I decided to make carriage returns a lexical error. In fact, the only C0 control it allows in source text is LF, it doesn’t even allow tabs (my personal answer to the perennial spaces-vs-tabs debate).