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bug#22025: Emacs 25 corrupts Emacs 24 .emacs.desktop.
From: |
Alan Mackenzie |
Subject: |
bug#22025: Emacs 25 corrupts Emacs 24 .emacs.desktop. |
Date: |
Fri, 27 Nov 2015 08:38:37 +0000 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
Hello, Emacs
Having recently saved a desktop in Emacs 24.5, run Emacs 25, allowing
desktop to load all ones files. Exit Emacs 25.
Start Emacs 24.5 again. The desktop fails to load. This is a Bad
Thing.
Diagnosis
---------
Emacs 25 has read a version 206 .desktop file, but written a version 208
file on termination. Emacs 24 cannot execute this version.
There was no yes-or-no-p asking "are you sure you want to convert your
desktop to a format incompatible with previous Emacs versions?".
Manually restoring a .desktop to version 206 is fraught with
difficulties, even for somebody (myself) who understands the issues
reasonably well, and has an old version of .desktop saved "just in
case".
Recommendation
--------------
Emacs 25, having loaded a version 206 .desktop, should save it in the
same format until the user has positively consented to it being
converted to version 208.
--
Alan Mackenzie (Nuremberg, Germany).
- bug#22025: Emacs 25 corrupts Emacs 24 .emacs.desktop.,
Alan Mackenzie <=