bug#6723: 24.0.50; gnupg support is no longer able to create .gpg files from scratch

[Romain Francoise]

Stefano Zacchiroli <zack@upsilon.cc> writes:

> Starting from recent Emacs snapshots, I'm no longer able to create
> encrypted .gpg files on the fly, using Emacs GPG support. I used to do
> `C-x C-f something.txt.gpg' where something.txt.gpg is a non-existent
> file, followed by `C-j' to confirm the creation of the file. That now
> fails with the message reported in recent messages below, i.e.:

>   epa-file--find-file-not-found-function: Opening input file: Can't decrypt, 
> ((exit))

This is probably caused by the following change:

2010-07-08  Daiki Ueno  <ueno@unixuser.org>

        * epa-file.el (epa-file-error, epa-file--find-file-not-found-function)
        (epa-file-insert-file-contents): Hack to prevent
        find-file from opening empty buffer when decryptin failed
        (bug#6568).