[plt-scheme] question of a casual drscheme (v. 424) user

  Hi,
if I put

#lang scheme
(define f (list + 3 4))
(eval f)

in the definition pane of DrScheme I get in the following error
message in the interaction pane:
compile: bad syntax; function application is not allowed, because no #
%app syntax transformer is bound in: (#<procedure:+> 3 4)
Fine!

But  putting
(eval f)
in the interaction pane I get 7, what I expected above too.

Can anyone explain me the error message?

Thanks
Johannes




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