Re: master 4803fba487 1/2: 'C-x v v' on a diff buffer commits it as a patch (bug#52349)

[Alfred M. Szmidt]

   > From: Stefan Monnier <monnier@iro.umontreal.ca>
   > Cc: "Alfred M. Szmidt" <ams@gnu.org>,  eliz@gnu.org,  larsi@gnus.org,
   >  juri@jurta.org,  emacs-devel@gnu.org
   > Date: Tue, 30 Aug 2022 11:16:17 -0400
   > 
   > > I can look into adapting this approach for other VCS if nobody beats me 
to
   > > it. As long as we fundamentally agree on the behavior.
   > 
   > Fine by me.  I'll just mention that I think we should be careful to make
   > sure no info is lost if Emacs crashes in the middle of the operation.

   Emacs never crashes.

:-)

But why is it important that no info is lost during a crash? *vc-diff*
buffers, and in general any non-file associated buffer is always lost
in the case of a crash.