Subject: 25.2; diff.el suggest save old,new files on revert

From: Kevin Ryde <[email-masked]>
Date: Mon, 08 Jan 2018 17:29:57 +1100

As an idea for a feature, in an M-x diff of two files, it'd be good if
"g" revert-buffer offered to save changes made in buffers visiting those
files.  I'd have in mind `save-some-buffers' so you have the choice to
save or not one or both.

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In GNU Emacs 25.2.1 (i686-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2017-09-12, modified by Debian built on x86-ubc-01