On Tue, Dec 24, 2013 at 4:30 PM, Dmitry Pavlov <dpav...@ipa.nw.ru> wrote:
> Hello,
>
> It seems that ~r formatting function, when given a negative
> number and a #:min-width argument, does not treat the "-"
> character as part of the number bound by #:min-width,
> and moreover, it detaches the "-" from the number:

Use srfi/48,  instead.

Also look at this previous discussion:
https://groups.google.com/forum/#!topic/racket-users/l5-WYsCnSJc
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