bug#3789: 23.0.95; confusion with EasyPG/vc interaction

[Dan Nicolaescu]

Jay Berkenbilt <ejb@ql.org> writes:

  > If you have a .gpg file that is encrypted using a key that you don't
  > have in your keyring, EasyPG reports
  > 
  > File exists, but cannot be read
  > 
  > and gives you an empty buffer.  This is probably reasonable behavior,
  > though I would be happier if it handled it in the same way as a file
  > that you really don't have read permission on, since this reduces the
  > likelihood of clobbering it making the buffer writable and saving.  Not
  > a big deal.
  > 
  > If, however, that file is checked into RCS, EasyPG asks
  > 
  > File whatever.gpg was lost; check out from version control? (yes or no)
  > 
  > and then falls back to
  > 
  > File exists, but cannot be read.
  > 
  > This is pretty easy to reproduce.  Create a file and encrypt it using a
  > public key for which you don't have a private key.  Now kill the buffer
  > and, outside of emacs, do
  > 
  > mkdir RCS
  > ci -u file.gpg
  > 
  > Now, back in emacs, do C-x C-f on the file, and observe the behavior I
  > have described.
  > 
  > All this can be reproduced with emacs 23.0.95 run as emacs -q.

In 23.2 this problem will not exist anymore because vc will not try to
do this: "check out from version control? (yes or no)"