[racket-dev] workaround for 5.3.6 require for-label problem?

I think the error message you're seeing is probably unrelated. That was a
bug inside check syntax that should only affect it.

Robby


On Fri, Sep 27, 2013 at 8:01 PM, John Clements <clements at brinckerhoff.org>wrote:

> I'm noticing that with version 5.3.6 of DrRacket, a package install of
> "rsound" hangs during the evaluation of rsound.scrbl.  My guess is that
> this could be related to the syntax-check error that I get when opening
> rsound.scrbl in version 5.3.6.  After some work, I discovered that the
> problem seems to be the use of require (for-syntax ...), and that in fact
> this setup:
>
> f.rkt:
> #lang racket
>
> (require (for-label "g.rkt"))
>
> g.rkt:
> #lang racket
>
>
> ... causes the problem. Specifically, I get the error "+: contract
> violation expected: number? given: #f argument position: 1st other
> arguments...: 0" in the check-syntax message area when f.rkt is open.
>
> I'm guessing this is a bug that's been fixed.  In the meantime, though,
> I'm trying to allow my students to see the package docs for rsound.
> Questions:
>
> 1) Is this in fact a bug that's been fixed?
> 2) Could this actually related to the doc build hang?
> 3) Is there a simple workaround?
>
> Many thanks in advance for any help!
>
> Best,
>
> John
>
>
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>   Racket Developers list:
>   http://lists.racket-lang.org/dev
>
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