Add ':extend t' face attribute to diff faces (bug#37774)

* lisp/vc/diff-mode.el (diff-header, diff-file-header)
(diff-removed, diff-added): Add ':extend t' face attribute.

* lisp/vc/ediff-init.el (ediff-current-diff-A)
(ediff-current-diff-B, ediff-current-diff-C)
(ediff-current-diff-Ancestor, ediff-even-diff-A)
(ediff-even-diff-B, ediff-even-diff-C, ediff-even-diff-Ancestor)
(ediff-odd-diff-A, ediff-odd-diff-B, ediff-odd-diff-C)
(ediff-odd-diff-Ancestor): Add ':extend t' face attribute.

* lisp/vc/smerge-mode.el (smerge-upper, smerge-lower)
(smerge-base, smerge-markers): Add ':extend t' face attribute.

* lisp/vc/log-view.el (log-view-file, log-view-message):
Add ':extend t' face attribute.

* lisp/faces.el (secondary-selection): Add ':extend t' face attribute.
(line-number-major-tick, line-number-minor-tick):
Change :foreground to :background.

6 files changed, 79 insertions, 79 deletions

diff --git a/etc/NEWS b/etc/NEWS
index fd46360ed23..6ed3fd46085 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -391,9 +391,9 @@ to 'completion-styles' or 'completion-category-overrides' to use it.
 ** New face attribute ':extend' to control face extension at EOL.
 The new face attribute ':extend' controls whether to use the face for
 displaying the empty space beyond end of line (EOL) till the edge of
-the window.  By default, this attribute is non-nil only for 'region'
-and 'hl-line' faces; any other face that crosses end of line will not
-affect the display of the empty space at EOL.
+the window.  By default, this attribute is non-nil only for 'region',
+'secondary-selection', 'hl-line' and diff faces; any other face that
+crosses end of line will not affect the display of the empty space at EOL.
 
 ** Connection-local variables
 
diff --git a/lisp/faces.el b/lisp/faces.el
index 36fc69895dd..2779197804b 100644
--- a/lisp/faces.el
+++ b/lisp/faces.el
@@ -2365,15 +2365,15 @@ If you set `term-file-prefix' to nil, this function does nothing."
 
 (defface secondary-selection
   '((((class color) (min-colors 88) (background light))
-     :background "yellow1")
+     :background "yellow1" :extend t)
     (((class color) (min-colors 88) (background dark))
-     :background "SkyBlue4")
+     :background "SkyBlue4" :extend t)
     (((class color) (min-colors 16) (background light))
-     :background "yellow")
+     :background "yellow" :extend t)
     (((class color) (min-colors 16) (background dark))
-     :background "SkyBlue4")
+     :background "SkyBlue4" :extend t)
     (((class color) (min-colors 8))
-     :background "cyan" :foreground "black")
+     :background "cyan" :foreground "black" :extend t)
     (t :inverse-video t))
   "Basic face for displaying the secondary selection."
   :group 'basic-faces)
@@ -2419,9 +2419,9 @@ unwanted effects."
 
 (defface line-number-major-tick
   '((((class color grayscale) (background light))
-     :foreground "grey55" :bold t)
+     :background "grey85" :bold t)
     (((class color grayscale) (background dark))
-     :foreground "grey75" :bold t)
+     :background "grey75" :bold t)
     (t :inherit line-number))
   "Face for highlighting \"major ticks\" (as in a ruler).
 When `display-line-numbers-major-tick' is positive, highlight
@@ -2440,9 +2440,9 @@ unwanted effects."
 
 (defface line-number-minor-tick
   '((((class color grayscale) (background light))
-     :foreground "grey65" :bold t)
+     :background "grey95" :bold t)
     (((class color grayscale) (background dark))
-     :foreground "grey55" :bold t)
+     :background "grey55" :bold t)
     (t :inherit line-number))
   "Face for highlighting \"minor ticks\" (as in a ruler).
 When `display-line-numbers-minor-tick' is positive, highlight
diff --git a/lisp/vc/diff-mode.el b/lisp/vc/diff-mode.el
index c86f15cee00..dfac1cca808 100644
--- a/lisp/vc/diff-mode.el
+++ b/lisp/vc/diff-mode.el
@@ -298,9 +298,9 @@ well."
 
 (defface diff-header
   '((((class color) (min-colors 88) (background light))
-     :background "grey85")
+     :background "grey85" :extend t)
     (((class color) (min-colors 88) (background dark))
-     :background "grey45")
+     :background "grey45" :extend t)
     (((class color))
      :foreground "blue1" :weight bold)
     (t :weight bold))
@@ -308,9 +308,9 @@ well."
 
 (defface diff-file-header
   '((((class color) (min-colors 88) (background light))
-     :background "grey75" :weight bold)
+     :background "grey75" :weight bold :extend t)
     (((class color) (min-colors 88) (background dark))
-     :background "grey60" :weight bold)
+     :background "grey60" :weight bold :extend t)
     (((class color))
      :foreground "cyan" :weight bold)
     (t :weight bold))                   ; :height 1.3
@@ -328,11 +328,11 @@ well."
   '((default
      :inherit diff-changed)
     (((class color) (min-colors 257) (background light))
-     :background "#ffeeee")
+     :background "#ffeeee" :extend t)
     (((class color) (min-colors 88) (background light))
-     :background "#ffdddd")
+     :background "#ffdddd" :extend t)
     (((class color) (min-colors 88) (background dark))
-     :background "#553333")
+     :background "#553333" :extend t)
     (((class color))
      :foreground "red"))
   "`diff-mode' face used to highlight removed lines.")
@@ -341,11 +341,11 @@ well."
   '((default
      :inherit diff-changed)
     (((class color) (min-colors 257) (background light))
-     :background "#eeffee")
+     :background "#eeffee" :extend t)
     (((class color) (min-colors 88) (background light))
-     :background "#ddffdd")
+     :background "#ddffdd" :extend t)
     (((class color) (min-colors 88) (background dark))
-     :background "#335533")
+     :background "#335533" :extend t)
     (((class color))
      :foreground "green"))
   "`diff-mode' face used to highlight added lines.")
diff --git a/lisp/vc/ediff-init.el b/lisp/vc/ediff-init.el
index 9e4d08d70c8..ca7f4eb8a22 100644
--- a/lisp/vc/ediff-init.el
+++ b/lisp/vc/ediff-init.el
@@ -806,13 +806,13 @@ to temp files in buffer jobs and when Ediff needs to find fine differences."
 
 (defface ediff-current-diff-A
   '((((class color) (min-colors 88) (background light))
-     :background "#ffdddd")
+     :background "#ffdddd" :extend t)
     (((class color) (min-colors 88) (background dark))
-     :background "#553333")
+     :background "#553333" :extend t)
     (((class color) (min-colors 16))
-     (:foreground "firebrick" :background "pale green"))
+     (:foreground "firebrick" :background "pale green" :extend t))
     (((class color))
-     (:foreground "blue3" :background "yellow3"))
+     (:foreground "blue3" :background "yellow3" :extend t))
     (t (:inverse-video t)))
   "Face for highlighting the selected difference in buffer A."
   :group 'ediff-highlighting)
@@ -827,14 +827,14 @@ this variable represents.")
 
 (defface ediff-current-diff-B
   '((((class color) (min-colors 88) (background light))
-     :background "#ddffdd")
+     :background "#ddffdd" :extend t)
     (((class color) (min-colors 88) (background dark))
-     :background "#335533")
+     :background "#335533" :extend t)
     (((class color) (min-colors 16))
-     (:foreground "DarkOrchid" :background "Yellow"))
+     (:foreground "DarkOrchid" :background "Yellow" :extend t))
     (((class color))
      (:foreground "magenta3" :background "yellow3"
-                  :weight bold))
+                  :weight bold :extend t))
     (t (:inverse-video t)))
   "Face for highlighting the selected difference in buffer B."
   :group 'ediff-highlighting)
@@ -849,13 +849,13 @@ this variable represents.")
 
 (defface ediff-current-diff-C
   '((((class color) (min-colors 88) (background light))
-     :background "#ffffaa")
+     :background "#ffffaa" :extend t)
     (((class color) (min-colors 88) (background dark))
-     :background "#888833")
+     :background "#888833" :extend t)
     (((class color) (min-colors 16))
-     (:foreground "Navy" :background "Pink"))
+     (:foreground "Navy" :background "Pink" :extend t))
     (((class color))
-     (:foreground "cyan3" :background "yellow3" :weight bold))
+     (:foreground "cyan3" :background "yellow3" :weight bold :extend t))
     (t (:inverse-video t)))
   "Face for highlighting the selected difference in buffer C."
   :group 'ediff-highlighting)
@@ -870,15 +870,15 @@ this variable represents.")
 
 (defface ediff-current-diff-Ancestor
   '((((class color) (min-colors 88) (background light))
-     :background "#cfdeee")
+     :background "#cfdeee" :extend t)
     (((class color) (min-colors 88) (background dark))
-     :background "#004151")
+     :background "#004151" :extend t)
     (((class color) (min-colors 16) (background light))
-     :background "#cfdeee")
+     :background "#cfdeee" :extend t)
     (((class color) (min-colors 16) (background dark))
-     :background "#004151")
+     :background "#004151" :extend t)
     (((class color))
-     (:foreground "black" :background "magenta3"))
+     (:foreground "black" :background "magenta3" :extend t))
     (t (:inverse-video t)))
   "Face for highlighting the selected difference in buffer Ancestor."
   :group 'ediff-highlighting)
@@ -993,14 +993,14 @@ this variable represents.")
 
 (defface ediff-even-diff-A
   `((((type pc))
-     (:foreground "green3" :background "light grey"))
+     (:foreground "green3" :background "light grey" :extend t))
     (((class color) (min-colors 88))
-     (:background "light grey"))
+     (:background "light grey" :extend t))
     (((class color) (min-colors 16))
-     (:foreground "Black" :background "light grey"))
+     (:foreground "Black" :background "light grey" :extend t))
     (((class color))
      (:foreground "red3" :background "light grey"
-                  :weight bold))
+                  :weight bold :extend t))
     (t (:italic t :stipple ,stipple-pixmap)))
   "Face for highlighting even-numbered non-current differences in buffer A."
   :group 'ediff-highlighting)
@@ -1015,11 +1015,11 @@ this variable represents.")
 
 (defface ediff-even-diff-B
   `((((class color) (min-colors 88))
-     (:background "Grey"))
+     (:background "Grey" :extend t))
     (((class color) (min-colors 16))
-     (:foreground "White" :background "Grey"))
+     (:foreground "White" :background "Grey" :extend t))
     (((class color))
-     (:foreground "blue3" :background "Grey" :weight bold))
+     (:foreground "blue3" :background "Grey" :weight bold :extend t))
     (t (:italic t :stipple ,stipple-pixmap)))
   "Face for highlighting even-numbered non-current differences in buffer B."
   :group 'ediff-highlighting)
@@ -1034,14 +1034,14 @@ this variable represents.")
 
 (defface ediff-even-diff-C
   `((((type pc))
-     (:foreground "yellow3" :background "light grey"))
+     (:foreground "yellow3" :background "light grey" :extend t))
     (((class color) (min-colors 88))
-     (:background "light grey"))
+     (:background "light grey" :extend t))
     (((class color) (min-colors 16))
-     (:foreground "Black" :background "light grey"))
+     (:foreground "Black" :background "light grey" :extend t))
     (((class color))
      (:foreground "yellow3" :background "light grey"
-                  :weight bold))
+                  :weight bold :extend t))
     (t (:italic t :stipple ,stipple-pixmap)))
   "Face for highlighting even-numbered non-current differences in buffer C."
   :group 'ediff-highlighting)
@@ -1056,14 +1056,14 @@ this variable represents.")
 
 (defface ediff-even-diff-Ancestor
   `((((type pc))
-     (:foreground "cyan3" :background "light grey"))
+     (:foreground "cyan3" :background "light grey" :extend t))
     (((class color) (min-colors 88))
-     (:background "Grey"))
+     (:background "Grey" :extend t))
     (((class color) (min-colors 16))
-     (:foreground "White" :background "Grey"))
+     (:foreground "White" :background "Grey" :extend t))
     (((class color))
      (:foreground "cyan3" :background "light grey"
-                  :weight bold))
+                  :weight bold :extend t))
     (t (:italic t :stipple ,stipple-pixmap)))
   "Face for highlighting even-numbered non-current differences in the ancestor buffer."
   :group 'ediff-highlighting)
@@ -1085,13 +1085,13 @@ this variable represents.")
 
 (defface ediff-odd-diff-A
   '((((type pc))
-     (:foreground "green3" :background "gray40"))
+     (:foreground "green3" :background "gray40" :extend t))
     (((class color) (min-colors 88))
-     (:background "Grey"))
+     (:background "Grey" :extend t))
     (((class color) (min-colors 16))
-     (:foreground "White" :background "Grey"))
+     (:foreground "White" :background "Grey" :extend t))
     (((class color))
-     (:foreground "red3" :background "black" :weight bold))
+     (:foreground "red3" :background "black" :weight bold :extend t))
     (t (:italic t :stipple "gray1")))
   "Face for highlighting odd-numbered non-current differences in buffer A."
   :group 'ediff-highlighting)
@@ -1107,13 +1107,13 @@ this variable represents.")
 
 (defface ediff-odd-diff-B
   '((((type pc))
-     (:foreground "White" :background "gray40"))
+     (:foreground "White" :background "gray40" :extend t))
     (((class color) (min-colors 88))
-     (:background "light grey"))
+     (:background "light grey" :extend t))
     (((class color) (min-colors 16))
-     (:foreground "Black" :background "light grey"))
+     (:foreground "Black" :background "light grey" :extend t))
     (((class color))
-     (:foreground "cyan3" :background "black" :weight bold))
+     (:foreground "cyan3" :background "black" :weight bold :extend t))
     (t (:italic t :stipple "gray1")))
   "Face for highlighting odd-numbered non-current differences in buffer B."
   :group 'ediff-highlighting)
@@ -1128,13 +1128,13 @@ this variable represents.")
 
 (defface ediff-odd-diff-C
   '((((type pc))
-     (:foreground "yellow3" :background "gray40"))
+     (:foreground "yellow3" :background "gray40" :extend t))
     (((class color) (min-colors 88))
-     (:background "Grey"))
+     (:background "Grey" :extend t))
     (((class color) (min-colors 16))
-     (:foreground "White" :background "Grey"))
+     (:foreground "White" :background "Grey" :extend t))
     (((class color))
-     (:foreground "yellow3" :background "black" :weight bold))
+     (:foreground "yellow3" :background "black" :weight bold :extend t))
     (t (:italic t :stipple "gray1")))
   "Face for highlighting odd-numbered non-current differences in buffer C."
   :group 'ediff-highlighting)
@@ -1149,11 +1149,11 @@ this variable represents.")
 
 (defface ediff-odd-diff-Ancestor
   '((((class color) (min-colors 88))
-     (:background "gray40"))
+     (:background "gray40" :extend t))
     (((class color) (min-colors 16))
-     (:foreground "cyan3" :background "gray40"))
+     (:foreground "cyan3" :background "gray40" :extend t))
     (((class color))
-     (:foreground "green3" :background "black" :weight bold))
+     (:foreground "green3" :background "black" :weight bold :extend t))
     (t (:italic t :stipple "gray1")))
   "Face for highlighting odd-numbered non-current differences in the ancestor buffer."
   :group 'ediff-highlighting)
diff --git a/lisp/vc/log-view.el b/lisp/vc/log-view.el
index 3389264ce6e..054c2b91340 100644
--- a/lisp/vc/log-view.el
+++ b/lisp/vc/log-view.el
@@ -196,14 +196,14 @@ If it is nil, `log-view-toggle-entry-display' does nothing.")
 
 (defface log-view-file
   '((((class color) (background light))
-     (:background "grey70" :weight bold))
+     (:background "grey70" :weight bold :extend t))
     (t (:weight bold)))
   "Face for the file header line in `log-view-mode'."
   :group 'log-view)
 
 (defface log-view-message
   '((((class color) (background light))
-     (:background "grey85"))
+     (:background "grey85" :extend t))
     (t (:weight bold)))
   "Face for the message header line in `log-view-mode'."
   :group 'log-view)
diff --git a/lisp/vc/smerge-mode.el b/lisp/vc/smerge-mode.el
index f032b084167..6d2d3f8d42f 100644
--- a/lisp/vc/smerge-mode.el
+++ b/lisp/vc/smerge-mode.el
@@ -77,9 +77,9 @@ Used in `smerge-diff-base-upper' and related functions."
 
 (defface smerge-upper
   '((((class color) (min-colors 88) (background light))
-     :background "#ffdddd")
+     :background "#ffdddd" :extend t)
     (((class color) (min-colors 88) (background dark))
-     :background "#553333")
+     :background "#553333" :extend t)
     (((class color))
      :foreground "red"))
   "Face for the `upper' version of a conflict.")
@@ -88,9 +88,9 @@ Used in `smerge-diff-base-upper' and related functions."
 
 (defface smerge-lower
   '((((class color) (min-colors 88) (background light))
-     :background "#ddffdd")
+     :background "#ddffdd" :extend t)
     (((class color) (min-colors 88) (background dark))
-     :background "#335533")
+     :background "#335533" :extend t)
     (((class color))
      :foreground "green"))
   "Face for the `lower' version of a conflict.")
@@ -99,9 +99,9 @@ Used in `smerge-diff-base-upper' and related functions."
 
 (defface smerge-base
   '((((class color) (min-colors 88) (background light))
-     :background "#ffffaa")
+     :background "#ffffaa" :extend t)
     (((class color) (min-colors 88) (background dark))
-     :background "#888833")
+     :background "#888833" :extend t)
     (((class color))
      :foreground "yellow"))
   "Face for the base code.")
@@ -109,9 +109,9 @@ Used in `smerge-diff-base-upper' and related functions."
 
 (defface smerge-markers
   '((((background light))
-     (:background "grey85"))
+     (:background "grey85" :extend t))
     (((background dark))
-     (:background "grey30")))
+     (:background "grey30" :extend t)))
   "Face for the conflict markers.")
 (defvar smerge-markers-face 'smerge-markers)