bug#43677: 27.1; Calc holidays off-by-one error, incorrect business day calculation

[Aaron Zeng]

Mattias, that patch seems to work well for me (I tested this by just
loading the lisp into an older version of emacs, since I don't have
experience compiling emacs from source).  I don't need business days
for BC dates.

Thanks all for the quick responses.

On Thu, Oct 1, 2020 at 6:19 AM Mattias Engdegård <mattiase@acm.org> wrote:
>
> Aaron, does this patch solve your problem?
>
> It turned out that the ability to select arbitrary holiday weekdays never 
> really worked correctly; the patch attempts to do something about that as 
> well.
>
> The business days code also doesn't work at all very well for BC dates, which 
> of course limits its applicability somewhat but perhaps not critically so. 
> Please tell me if that is something you need fixed.
>
>
>