bug#55140: 27.1; Feature request: allow customize holidays list

[Lars Ingebrigtsen]

José Júnior <jjnilton@gmail.com> writes:

> Hi, the feature request is an option in customize to allow adding/hiding 
> holiday-lists.
>
> Currently, the lists are hard coded here:
> https://git.savannah.gnu.org/cgit/emacs.git/tree/lisp/calendar/holidays.el#n437
>  and
> seems that the only way to customize would be overriding/wrapping the 
> function.
>
> This change would make it easier to create custom user-defined independent
> holiday lists, like seeing holidays of multiple regions, or religions, or 
> anything, not
> only the ones that comes with emacs.

I've now separated that out into its own function, `holiday-lists', in
Emacs 29, so that you can add/alter the results with `add-function' or
advice.

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