bug#60841: 30.0.50; kill-ring-save pauses despite region being highlighted

[Kévin Le Gouguec]

Eli Zaretskii <eliz@gnu.org> writes:

> Please add the xfaces.c change, and then this can go in (to the
> emacs-29 branch).

Done; see attached.

* lightly amended the commit message (added a third paragraph);
* tried to find an appropriate spot in NEWS;
* de-bumped the defcustom :version;
* ran a couple of sanity checks in *scratch* after applying this on top
  of 2023-01-30 "Update to Transient v0.3.7-196-gb91f509" (1684e254a3b).

  (face-differs-from-default-p 'default)
  nil
  (face-differs-from-default-p 'region)
  :background
  (set-face-attribute 'region nil :background 'unspecified)
  nil
  (face-differs-from-default-p 'region)
  nil
  ;; Tested all 3 function-item values of copy-region-blink-predicate.
  (set-face-attribute 'region nil :inverse-video t)
  nil
  (face-differs-from-default-p 'region)
  :inverse-video
  ;; Tested all 3 function-item values of copy-region-blink-predicate.

Let me know if anything is amiss.

0001-Avoid-spurious-pause-in-kill-ring-save-Bug-60841.patch
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