bug#17970: log-edit creates unwanted ChangeLog buffers

[Eli Zaretskii]

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: Glenn Morris <rgm@gnu.org>,  17970@debbugs.gnu.org
> Date: Wed, 09 Jul 2014 23:09:02 -0400
> 
> You misunderstand the purpose of log-edit-changelog-entries

No, I don't misunderstand.

> So if the file doesn't exist, there's nothing to get from it and we
> might as well not visit the file.

What if I already did "C-x 4 a", which visited a non-existing
ChangeLog, and wrote my entry, but didn't yet save that buffer?