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

[Eli Zaretskii]

> Date: Mon, 28 Nov 2022 14:30:15 +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>
> 
> > If this type of project doesn't have to be "backed by a VCS", then what does
> > distinguish it from other types of projects?
> 
> It difficult to come up with a name using a principle like that when the 
> preceding effort was made to be able to accommodate the projects of 
> different users with new usage patterns.
> 
> It is "VC aware" or maybe "VC friendly", and it works with projects in 
> the shape of directory trees. But both characterizations can apply to 
> e.g. Projectile as well. Except the latter is probably more flexible, 
> and our backend is probably faster, especially over Tramp.
> 
> But if we just compare with the other builtin ('transient'), then its 
> VC awareness is probably the key thing. And the customization options it 
> has (which 'transient' doesn't).

AFAIU, the 'transient' builtin also works with projects whose shape is a
directory tree, right?  If so, how is 'transient' different from the
'VC-aware' type?