2 Commits (d02bec5ef96195bb9414456afad2f4afb4f5e6e2)

Author	SHA1	Message	Date
Matthew Butterick	73fa680204	switch to racket/base throughout; fix when/block; fix or/c false? ... contracts; improve file contracts, etc.	11 years ago
Matthew Butterick	e217077aee	various tidying. all files compile now.	11 years ago