bug#26233: 26.0.50; [PATCH] Improve documentation for display-buffer-alist

[Eli Zaretskii]

> From: Jens Lechtenboerger <lechten@wi.uni-muenster.de>
> Cc: <drew.adams@oracle.com>,  <26233@debbugs.gnu.org>
> Date: Sat, 25 Mar 2017 15:58:51 +0100
> 
> > Those variables were obsoleted in Emacs 24.3, which was released 4
> > years ago.  Isn't it too late to strongly object now to their
> > deprecation?  That ship sailed long ago.
> 
> I see it this way: The departure of that ship was announced long
> ago, for those knowing where to look; however, it did not sail yet.
> I've got several settings for special-display variables in my init
> file (predating 24.3, I don't know since when).  They still work
> today, and they work without any user visible warning.

AFAIU, you describe how deprecated variables work.  The complaint was
about announcing the departure, not about the departure itself (which
didn't yet happen).  "the ship" I alluded to was the announcement.