[plt-scheme] no prehistoric dates?

From: Matthew Flatt (mflatt at cs.utah.edu)
Date: Wed Feb 18 16:24:49 EST 2009

At Wed, 18 Feb 2009 13:22:33 -0800, YC wrote:
> make-date cannot handle negative years, i.e. no BC time.
> 
> > (make-date 0 0 0 1 1 -1 0 0 #f 0)
> make-date: expected argument of type <nonnegative exact integer>; given
> -1
> 
> Is there a reason for such restriction?

None that I can see, so I'll change the `date' structure type to allow
it.



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