2 Commits (73fa68020482576c3ea0b77ae22baedf5ae96712)

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