[racket-dev] BUG: compile: access from an uncertified context to unexported variable from module: /usr/local/src/racket/collects/racket/contract/private/base.rkt in: apply-contract

(Sorry for any duplicaiton; I tried submitting this through DrRacket but never got a confirmation email) On Racket v5.0.1.900., Ubuntu 10.10 x86: Create stuff.rkt with this content: #! /bin/sh #| Hey Emacs, this is -*-scheme-*- code! #$Id$ exec racket -l errortrace --require $0

[racket-dev] for behavior with empty sequence

Is this the right behavior for a `for' loop when no sequences are given? - (for () (printf ok!\n)) ok! - (for ([x (in-list (list))]) (printf ok!\n)) - I would expect the body to occur 0 times. _ For list-related administrative tasks: