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syntax/for-body: adjust docs to clarify why it exists

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Matthew Flatt 2013-09-06 14:56:44 -06:00
parent af022e5b7e
commit a357997d75
1 changed files with 7 additions and 1 deletions
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pkgs/racket-pkgs/racket-doc/syntax/scribblings/for-body.scrbl
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@ -18,4 +18,10 @@ The @racket[body-stxes] argument must have the form
@racket[(_post-body ...)] is as large as possible without containing a
@racket[#:break] or @racket[#:final] clause.
The @racket[stx] argument is used only for reporting syntax errors.}
The @racket[stx] argument is used only for reporting syntax errors.
Use @racket[split-for-body] instead of assuming that the last form in
a @racket[for]-like form's body can be wrapped separately. In
particular, the last form might contain definitions that need to be
spliced in the same definition context as earlier forms to create
mutually-recursive definitions.}