Tommy Jollyboat writes:
> However, various functions within org-mode are still using
> ~string-to-char~ and giving inconsistent results, because numerical
> priorities are parsed wrongly, or sometimes return nil (or #10 to
> #64).
Confirmed.
> * SOLUTION
>
> If we agree that numeric priorities
(tested with Org 9.7.11, I've done my best to search archives and the
bug-tracker)
Back in 2020, commit #4f98694bf introduced numeric priorities,
allowing [#1] to [#64] as an alternative to [#A] to [#Z]. This is also
documented in the manual.
https://git.savannah.gnu.org/cgit/emacs/org-mode.git/c
