bug#39960: 28.0.50; Incompatible change to sql-add-product in Emacs 27

[Philipp Stephani]

Am Mo., 23. März 2020 um 02:20 Uhr schrieb Michael Mauger
<mmauger@protonmail.com>:
>
> ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
> On Friday, March 13, 2020 5:53 AM, Eli Zaretskii <eliz@gnu.org> wrote:
>
> > Ping!
> >
> > > Date: Sat, 07 Mar 2020 09:43:39 +0200
> > > From: Eli Zaretskii eliz@gnu.org
> > > Cc: 39960@debbugs.gnu.org
> > >
> > > > From: Philipp p.stephani2@gmail.com
> > > > Date: Fri, 06 Mar 2020 23:39:16 +0100
> > > > In Emacs 26, sql-add-product has the signature
> > > > (sql-add-product PRODUCT DISPLAY &rest PLIST)
> > > > However, in the Emacs 27 pretest the signature is now
> > > > (sql-add-product PRODUCT DISPLAY &optional PLIST)
> > > > Note the change from &rest to &optional. This is a breaking change that
> > > > breaks all users of sql-add-product. I've found quite a few uses of the
> > > > old signature in the wild,
> > >
> > > Thanks for reporting this.
> > > Michael, could you please look into this ASAP? TIA.
> > > Btw, this change of a public API is not in NEWS, AFAICT; if we decide
> > > eventually on keeping the change, we should announce it in NEWS.
>
> Sorry for the delay. The massive switch to WFH and illness concerns at home
> interfered. All are fine, and I actually do get work done occasionally.

No worries, and good to hear that!

>
> I've got the following patch to make. I assume it needs to be made to the
> emacs-27 branch and corresponding patches made to master as well. If I
> should only commit to master (same change is needed there) for cherry-picking
> for emacs-27, let me know.

Thanks for the patch! I noticed that it made it to master as commit
82a632edc8b80bf16d9b9f205474bf9724b084c0, but not to emacs-27, are you
still planning to backport it?