Stupid question, but how would I saving them in a global variable? So far
I have this:
(define-syntax handle
(syntax-parser
[(_ b:expr) #`(set! #,(syntax-local-introduce (datum->syntax #f 'doc))
(string-append #,(syntax-local-introduce (datum->syntax #f 'doc)) b))]))
(define-syntax wrapping-modbeg
(make-wrapping-module-begin #'handle))
(define-syntax md-module-begin
(syntax-parser
[(_ (expr1 ...)) #'(wrapping-modbeg (define doc "")
expr1 ...)]))
However, it complains that `set!` isn't defined. I thought it would be
defined since my module provides `racket/base`.
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