bug#41572: 28.0.50; [PATCH] Support plain project marked with file .emacs-project

[Dmitry Gutov]

On 01/12/2022 08:02, Eli Zaretskii wrote:
> > Date: Wed, 30 Nov 2022 22:43:59 +0200
> > Cc:philipk@posteo.net,rudi@constantly.at,eric@ericabrahamsen.net,
> >   cjpeople2013@gmail.com,theo@thornhill.no,mardani29@yahoo.es,
> >   joaotavora@gmail.com,manuel.uberti@inventati.org,juri@linkov.net,
> >   salutis@me.com,arstoffel@gmail.com,41572@debbugs.gnu.org
> > From: Dmitry Gutov<dgutov@yandex.ru>
> >
> > > This is a significant change of the implementation of a public API.  Isn't
> > > it risky to make such changes on the release branch?
> > >
> > > But if you are okay with that, it's fine by me.
> > A little bit, yeah. But I've done some dogfooding, and we have a couple
> > of months before the release, right?
> Yes.  The question is, how much will this be used till then.

True enough.

I've updated the docs and NEWS in the meantime, this should help.

On the bright side, though, the new feature uses the same code path as 
the core functionality, so it's still indirectly tested by anyone using 
the built-in project support.