plt/racket — pull request #778 by AlexKnauth (2014-09-08 22:28:33+00:00)
Title: fix types of stx->list, stx-car, etc.

see also https://github.com/plt/racket/commit/ada4fb74fa28b0f72ed590785afb9ebe08dded45 and https://github.com/plt/racket/commit/99c8da4d92259251c6fbdac38969c16dec80ef62