[racket-dev] Should BSL signal an error on (require ...) in an unsaved buffer?

I'm fixing require in the stepper, and I want to make sure that the existing behavior is desirable before I try to simulate it.  In particular, my experiments suggest that "require" in an unsaved buffer implicitly requires things from (current-directory). Is this the right behavior? It would seem to me that we'd be better off signaling an error in this case.  No?

John

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