Subject: bug#44727: 28.0.50; [PATCH] Clarify that 'diff-error' face is part of Emacs 28.1

From: Protesilaos Stavrou <[email-masked]>
Date: Wed, 18 Nov 2020 23:22:28 +0200

The NEWS mentions 'diff-error' as a new face, but its specification does
not provide a version number.  The attached patch does that.

-- 
Protesilaos Stavrou
protesilaos.com
>From 4c634917ed02e0b4e7c4a5d86179db35750135c4 Mon Sep 17 00:00:00 2001
From: Protesilaos Stavrou <[email-masked]>
Date: Wed, 18 Nov 2020 23:14:39 +0200
Subject: [PATCH] Clarify that 'diff-error' is part of Emacs 28.1

---
 lisp/vc/diff-mode.el | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lisp/vc/diff-mode.el b/lisp/vc/diff-mode.el
index 5aeb8feb99..0a90613604 100644
--- a/lisp/vc/diff-mode.el
+++ b/lisp/vc/diff-mode.el
@@ -403,7 +403,8 @@ well."
   '((((class color))
      :foreground "red" :background "black" :weight bold)
     (t :weight bold))
-  "`diff-mode' face for error messages from diff.")
+  "`diff-mode' face for error messages from diff."
+  :version "28.1")
 
 (defconst diff-yank-handler '(diff-yank-function))
 (defun diff-yank-function (text)
-- 
2.29.2