bug#67012: 29.1; epa-sign-file pinentry loopback mode does not work with S/MIME

[Ulrich Mueller]

>>>>> On Sat, 25 Nov 2023, Michael Albinus wrote:

> I have no idea what I'm speaking about. However, on GNU ELPA there is
> the package pinentry 0.1 from Daiki Ueno <ueno@gnu.org>. Same is for
> Emacs 25. Shouldn't we advertise the GNU ELPA package?

I am aware that there's a package on ELPA, but looks like it's very
outdated.

> However, there are differences. [...]

There are quite a few differences, see full diff attached.

> Shouldn't we upgrade the GNU ELPA version?

Probably. Gentoo also has a (rather trivial) patch that fixes some
warnings with newer Emacs versions:
https://gitweb.gentoo.org/repo/gentoo.git/tree/app-emacs/pinentry/files/pinentry-emacs-29.patch

(I still don't entirely understand why pinentry.el was dropped from
Emacs proper, but I won't challenge the decision made in bug #27445.)

pinentry.el.diff
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