Subject: bug#12747: 23.4; diff-auto-refine-mode process only last hunk in diff (must ALL).

From: Noam Postavsky <[email-masked]>
Date: Thu, 12 Jul 2018 21:47:51 -0400

Stefan Monnier <[email-masked]> writes:

> Sounds good, yes (tho I'm surprised it'd make much of a difference,
> when your /tmp is on some kind of tmpfs).  If you can add a URL
> pointing to the discussion where they found the noticable performance
> difference, that'd be even better.

Pushed to master.

[1: 01dbf2a347]: 2018-07-12 21:45:31 -0400
  Speed up smerge-refine-regions by avoiding fsync
  https://git.savannah.gnu.org/cgit/emacs.git/commit/?id=01dbf2a347944497fdcf2ec156f4605020d7ba2a