describe some additional errors in docs for require
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@ -536,7 +536,9 @@ bindings of each @racket[require-spec] are visible for expanding later
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@defsubform[(combine-in require-spec ...)]{
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@defsubform[(combine-in require-spec ...)]{
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The union of the @racket[require-spec]s.
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The union of the @racket[require-spec]s. If two or more imports from the
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@racket[require-spec]s have the same identifier name but they do not refer to
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the same original binding, a syntax error is reported.
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@defexamples[#:eval (syntax-eval)
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@defexamples[#:eval (syntax-eval)
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(require (combine-in (only-in racket/tcp tcp-accept)
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(require (combine-in (only-in racket/tcp tcp-accept)
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@ -619,7 +621,9 @@ bindings of each @racket[require-spec] are visible for expanding later
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@specsubform[#:literals (for-label)
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@specsubform[#:literals (for-label)
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(for-label require-spec ...)]{Same as
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(for-label require-spec ...)]{Same as
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@racket[(for-meta #f require-spec ...)].}
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@racket[(for-meta #f require-spec ...)]. If an identifier in any of the
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@racket[require-spec]s is bound at more than one phase level, a syntax error
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is reported.}
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@specsubform[derived-require-spec]{See @racket[define-require-syntax]
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@specsubform[derived-require-spec]{See @racket[define-require-syntax]
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for information on expanding the set of @racket[require-spec]
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for information on expanding the set of @racket[require-spec]
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