bug#22025: Emacs 25 corrupts Emacs 24 .emacs.desktop.

[Alan Mackenzie]

Hello, Eli.

On Fri, Nov 27, 2015 at 12:23:10PM +0200, Eli Zaretskii wrote:
> > Date: Fri, 27 Nov 2015 09:47:18 +0000
> > Cc: 22025@debbugs.gnu.org
> > From: Alan Mackenzie <acm@muc.de>

> > > This would be a nice enhancement, but it certainly isn't a bug in my
> > > book.

> > I couldn't disagree more.  Users should be free to update to Emacs 25,
> > but it shouldn't be for us to force them.

> ??? How's this forcing an upgrade?  The issue won't exist until the
> user, out of their free will, starts Emacs 25.

Because people will "just try out" Emacs 25.  That's what I always do
with new Emacsen.  Then before deciding to upgrade, they find that their
.emacs.desktop won't work in their accustomed setups any longer (which
is a horrible surprise), effectively forcing them to upgrade.

[ .... ]

-- 
Alan Mackenzie (Nuremberg, Germany).