I wouldn’t characterize either as FP, though—both of them still actively encourage maintenace of mutable state and use of macros. They may be “simple” in that

I wouldn’t characterize either as FP, though—both of them still actively encourage maintenace of mutable state and use of macros. They may be “simple” in that they are very analyzable but you’re teaching a whole bag of skills, and the most FP part of lisp/scheme is just the closure.