bug#23033: 24.5; Lock file uses the same extension as the file it's locking

[Andreas Schwab]

On Sep 26 2021, Eli Zaretskii wrote:

>> From: Stefan Kangas <stefan@marxist.se>
>> Date: Sun, 26 Sep 2021 00:17:24 -0700
>> Cc: Eli Zaretskii <eliz@gnu.org>, rgm@gnu.org, 23033@debbugs.gnu.org, 
>> mgsloan@gmail.com
>> 
>> > Perhaps they're combined auto-save and lock files?
>> 
>> Something like that would be my guess.  The name ".swp" suggests it's
>> got more to do with auto-saving.
>> 
>> But come to think of it, would it be possible for us to use one combined
>> file?
>
> That'd complicate Emacs in non-trivial ways.  Currently, the auto-save
> file is just a snapshot of the file's buffer, and the lock file is a
> specialized file whose content tells us who and when locked it.  To
> put both of these in the same file would mean the file will need
> parsing.  Does it really make sense to do that?

There is also auto-save-visited-mode, which would conflict with that.

Andreas.

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Andreas Schwab, schwab@linux-m68k.org
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