bug#13522: 24.2; save-buffer removes edited file under some conditions

[Vincent Lefevre]

On 2013-01-24 15:28:27 -0500, Glenn Morris wrote:
> Vincent Lefevre wrote:
> > 1. Create a file with: printf "\x80" > file
> > 2. Open the file under X Window with: emacs -Q file
> > 3. Modify the file e.g. by adding a space.
> > 4. Type C-x C-s
> >    At this point, Emacs asks the user to select a coding system.
> > 5. Type C-c in the terminal to kill Emacs.
> >
> > The result is that the file "file" is no longer there!

Same problem with the official GNU Emacs 24.2.1 (not Debian's).

> I can't reproduce this with 24.2.
> Here I have both "file" and "#file", no "file~".

I have "file~" and "#file#" (with 2 # characters).

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