bug#42337: [PATCH] Use display-buffer to make the calc popup

[Lars Ingebrigtsen <larsi@gnus.org>]

Viktor Obeling <viktor@obeling.org> writes:

> * lisp/calc/calc.el (calc--popup-buffer, calc):
> Allows the user to more easily customize the buffer placement by
> using display-buffer-alist.

I'm not super-familiar with how display-buffer-alist etc works these
days, but as far as I can tell, the patch looks sensible to me.

However, it's more than 15 lines long (even though much of it is
rearranging line), so to apply it, we'd need an FSF copyright
assignment.  Would you be willing to sign that?

If so, here's the thing to get you started:

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-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no