@wjb Stephen has collected these resources: https://github.com/racket/racket/wiki/Creating-Languages

@lexi.lambda Hi. I am working on closing old issues on my Github. I fell over this one from racket/draw: https://github.com/racket/draw/issues/37 I know you recently have looked at Harfbuzz/Pango, so maybe you have an idea whether information on leading is available somehow?

FWIW the compiler for #lang minipascal uses recursive descent: https://github.com/soegaard/minipascal/blob/master/minipascal/compiler-simple.rkt