master e30c7f3 1/2: Adjust previous diff-changed-unspecified change

[Lars Ingebrigtsen]

branch: master
commit e30c7f314b67656c9a946b7a6bc045c5f76814d6
Author: Lars Ingebrigtsen <larsi@gnus.org>
Commit: Lars Ingebrigtsen <larsi@gnus.org>

    Adjust previous diff-changed-unspecified change
    
    * lisp/vc/diff-mode.el (diff-changed-unspecified): Adjust the
    definition to Emacs 28 (bug#26969).
---
 lisp/vc/diff-mode.el | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/lisp/vc/diff-mode.el b/lisp/vc/diff-mode.el
index 1d838e6..bb1c46c 100644
--- a/lisp/vc/diff-mode.el
+++ b/lisp/vc/diff-mode.el
@@ -358,12 +358,14 @@ well."
   "`diff-mode' face used to highlight added lines.")
 
 (defface diff-changed-unspecified
-  '((((class color) (min-colors 88) (background light))
-     :background "grey90")
+  '((default
+     :inherit diff-changed)
+    (((class color) (min-colors 88) (background light))
+     :background "grey90" :extend t)
     (((class color) (min-colors 88) (background dark))
-     :background "grey20")
+     :background "grey20" :extend t)
     (((class color))
-     :foreground "grey"))
+     :foreground "grey" :extend t))
   "`diff-mode' face used to highlight changed lines."
   :version "28.1")