From 57bb675cde25bc1b54d8eb8716b0024d5c1d5687 Mon Sep 17 00:00:00 2001
From: Lars Ingebrigtsen <larsi@gnus.org>
Date: Fri, 26 Nov 2021 15:26:14 +0100
Subject: [PATCH] Add new face `gnus-header'

* lisp/gnus/gnus-art.el (gnus-header): New face.
(gnus-header-from, gnus-header-subject, gnus-header-newsgroups)
(gnus-header-name, gnus-header-content): Inherit from this new face.
---
 etc/NEWS              |  4 ++++
 lisp/gnus/gnus-art.el | 36 +++++++++++++++++++++++-------------
 2 files changed, 27 insertions(+), 13 deletions(-)

diff --git a/etc/NEWS b/etc/NEWS
index b23c63c990c..87a7a43a5ed 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -348,6 +348,10 @@ the common "utm_" trackers from URLs.
 
 ** Gnus
 
+---
+*** New face 'gnus-header'.
+All other 'gnus-header-*' faces inherit from this face now.
+
 +++
 *** New user option 'gnus-treat-emojize-symbols'.
 If non-nil, symbols that have an emoji representation will be
diff --git a/lisp/gnus/gnus-art.el b/lisp/gnus/gnus-art.el
index 9594c32e816..9a56e3a9013 100644
--- a/lisp/gnus/gnus-art.el
+++ b/lisp/gnus/gnus-art.el
@@ -768,28 +768,37 @@ Obsolete; use the face `gnus-signature' for customizations instead."
   :group 'gnus-article-highlight
   :group 'gnus-article-signature)
 
+(defface gnus-header
+  '((t nil))
+  "Base face used for all Gnus header faces.
+All the other `gnus-header-' faces inherit from this face."
+  :version "29.1"
+  :group 'gnus-article-headers
+  :group 'gnus-article-highlight)
+
 (defface gnus-header-from
   '((((class color)
       (background dark))
-     (:foreground "PaleGreen1"))
+     (:foreground "PaleGreen1" :inherit gnus-header))
     (((class color)
       (background light))
-     (:foreground "red3"))
+     (:foreground "red3" :inherit gnus-header))
     (t
-     (:italic t)))
+     (:italic t :inherit gnus-header)))
   "Face used for displaying from headers."
+  :version "29.1"
   :group 'gnus-article-headers
   :group 'gnus-article-highlight)
 
 (defface gnus-header-subject
   '((((class color)
       (background dark))
-     (:foreground "SeaGreen1"))
+     (:foreground "SeaGreen1" :inherit gnus-header))
     (((class color)
       (background light))
-     (:foreground "red4"))
+     (:foreground "red4" :inherit gnus-header))
     (t
-     (:bold t :italic t)))
+     (:bold t :italic t :inherit gnus-header)))
   "Face used for displaying subject headers."
   :group 'gnus-article-headers
   :group 'gnus-article-highlight)
@@ -797,7 +806,7 @@ Obsolete; use the face `gnus-signature' for customizations instead."
 (defface gnus-header-newsgroups
   '((((class color)
       (background dark))
-     (:foreground "yellow" :italic t))
+     (:foreground "yellow" :italic t :inherit gnus-header))
     (((class color)
       (background light))
      (:foreground "MidnightBlue" :italic t))
@@ -812,12 +821,12 @@ articles."
 (defface gnus-header-name
   '((((class color)
       (background dark))
-     (:foreground "SpringGreen2"))
+     (:foreground "SpringGreen2" :inherit gnus-header))
     (((class color)
       (background light))
-     (:foreground "maroon"))
+     (:foreground "maroon" :inherit gnus-header))
     (t
-     (:bold t)))
+     (:bold t :inherit gnus-header)))
   "Face used for displaying header names."
   :group 'gnus-article-headers
   :group 'gnus-article-highlight)
@@ -825,12 +834,13 @@ articles."
 (defface gnus-header-content
   '((((class color)
       (background dark))
-     (:foreground "SpringGreen1" :italic t))
+     (:foreground "SpringGreen1" :italic t :inherit gnus-header))
     (((class color)
       (background light))
-     (:foreground "indianred4" :italic t))
+     (:foreground "indianred4" :italic t :inherit gnus-header))
     (t
-     (:italic t)))  "Face used for displaying header content."
+     (:italic t :inherit gnus-header)))
+  "Face used for displaying header content."
   :group 'gnus-article-headers
   :group 'gnus-article-highlight)
 
-- 
2.39.5