Add ':extend' attribute to faces and themes

* etc/themes/wombat-theme.el:
* etc/themes/wheatgrass-theme.el:
* etc/themes/tsdh-light-theme.el:
* etc/themes/tsdh-dark-theme.el:
* etc/themes/tango-theme.el:
* etc/themes/tango-dark-theme.el:
* etc/themes/misterioso-theme.el:
* etc/themes/manoj-dark-theme.el:
* etc/themes/light-blue-theme.el:
* etc/themes/leuven-theme.el:
* etc/themes/dichromacy-theme.el:
* etc/themes/deeper-blue-theme.el:
* etc/themes/adwaita-theme.el: Add ':extend' attribute to all
faces that are by default defined with it.

* lisp/vc/smerge-mode.el (smerge-upper, smerge-lower)
(smerge-base):
* lisp/vc/log-view.el (log-view-file, log-view-message):
* 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):
* lisp/vc/diff-mode.el (diff-header, diff-file-header)
(diff-removed, diff-added): Make sure all definitions of faces
have the same value of the ':extend' property, otherwise
customizing background color or underline etc. attributes of
these faces on some displays will produce effects different
from other displays.

17 files changed, 84 insertions, 84 deletions

diff --git a/etc/themes/adwaita-theme.el b/etc/themes/adwaita-theme.el
index 73ef7b6e9ee..3f29b9f061f 100644
--- a/etc/themes/adwaita-theme.el
+++ b/etc/themes/adwaita-theme.el
@@ -39,7 +39,7 @@ default look of the Gnome 3 desktop.")
    `(header-line ((,class (:foreground "#CCCCCC" :background "black"))))
 
    `(minibuffer-prompt ((,class (:foreground "#0084C8" :bold t))))
-   `(region ((,class (:foreground unspecified :background "#C2D5E9"))))
+   `(region ((,class (:foreground unspecified :background "#C2D5E9" :extend t))))
    `(dired-header ((,class (:bold t :foreground "#0084C8"))))
    `(widget-button ((,class (:bold t :foreground "#0084C8"))))
 
@@ -96,7 +96,7 @@ default look of the Gnome 3 desktop.")
    `(gnus-cite-1 ((,class (:foreground "#00578E"))))
    `(gnus-cite-2 ((,class (:foreground "#0084C8"))))
 
-   `(diff-added ((,class (:bold t :foreground "#4E9A06"))))
-   `(diff-removed ((,class (:bold t :foreground "#F5666D"))))))
+   `(diff-added ((,class (:bold t :foreground "#4E9A06" :extend t))))
+   `(diff-removed ((,class (:bold t :foreground "#F5666D" :extend t))))))
 
 ;;; adwaita-theme.el  ends here
diff --git a/etc/themes/deeper-blue-theme.el b/etc/themes/deeper-blue-theme.el
index d04a270ba5e..d50a641930a 100644
--- a/etc/themes/deeper-blue-theme.el
+++ b/etc/themes/deeper-blue-theme.el
@@ -43,9 +43,9 @@
    ;; `(diff-added ((,class (nil))))
    ;; `(diff-changed ((,class (nil))))
    `(diff-context ((,class (:foreground "seashell4"))))
-   `(diff-file-header ((,class (:background "grey60"))))
+   `(diff-file-header ((,class (:background "grey60" :extend t))))
    `(diff-function ((,class (:inherit diff-header))))
-   `(diff-header ((,class (:background "grey45"))))
+   `(diff-header ((,class (:background "grey45" :extend t))))
    `(diff-hunk-header ((,class (:inherit diff-header))))
    `(diff-index ((,class (:inherit diff-file-header))))
    `(diff-indicator-added ((,class (:foreground "white" :background "darkolivegreen"))))
@@ -54,12 +54,12 @@
    `(diff-refine-change ((,class (:background "skyblue4"))))
    ;; `(diff-removed ((,class (nil))))
    `(dired-marked ((,class (:background "dodgerblue3" :foreground "white"))))
-   `(ediff-current-diff-A ((,class (:background "green4" :foreground "white"))))
-   `(ediff-current-diff-B ((,class (:background "darkorange3" :foreground "white"))))
-   `(ediff-even-diff-B ((,class (:background "Grey50" :foreground "White"))))
+   `(ediff-current-diff-A ((,class (:background "green4" :foreground "white" :extend t))))
+   `(ediff-current-diff-B ((,class (:background "darkorange3" :foreground "white" :extend t))))
+   `(ediff-even-diff-B ((,class (:background "Grey50" :foreground "White" :extend t))))
    `(ediff-fine-diff-A ((,class (:background "skyblue4" :foreground "white"))))
    `(ediff-fine-diff-B ((,class (:background "cyan4" :foreground "white"))))
-   `(ediff-odd-diff-A ((,class (:background "Grey50" :foreground "White"))))
+   `(ediff-odd-diff-A ((,class (:background "Grey50" :foreground "White" :extend t))))
    `(error ((,class (:foreground "red"))))
    `(flymake-errline ((,class (:background nil :underline "red"))))
    `(flymake-warnline ((,class (:background nil :underline "magenta3"))))
@@ -102,7 +102,7 @@
    `(outline-4 ((,class (:foreground "turquoise2"))))
    `(outline-5 ((,class (:foreground "aquamarine1"))))
    `(primary-selection ((,class (:background "blue3"))))
-   `(region ((,class (:background "#103050"))))
+   `(region ((,class (:background "#103050" :extend t))))
    `(show-paren-match-face ((,class (:background "dodgerblue1" :foreground "white"))))
    `(show-paren-mismatch-face ((,class (:background "red1" :foreground "white"))))
    `(success ((,class (:foreground "SeaGreen2"))))
diff --git a/etc/themes/dichromacy-theme.el b/etc/themes/dichromacy-theme.el
index b361fe5c509..d585752ea4c 100644
--- a/etc/themes/dichromacy-theme.el
+++ b/etc/themes/dichromacy-theme.el
@@ -46,8 +46,8 @@ Ansi-Color faces are included.")
    ;; Highlighting faces
    `(fringe ((,class (:background "#f7f7f7"))))
    `(highlight ((,class (:foreground ,blue :background "#e5e5e5"))))
-   `(region ((,class (:foreground unspecified :background ,yellow))))
-   `(secondary-selection ((,class (:background "#e5e5e5"))))
+   `(region ((,class (:foreground unspecified :background ,yellow :extend t))))
+   `(secondary-selection ((,class (:background "#e5e5e5" :extend t))))
    `(isearch ((,class (:foreground "white" :background ,vermillion))))
    `(lazy-highlight ((,class (:foreground "white" :background ,redpurple))))
    `(trailing-whitespace ((,class (:background ,vermillion))))
diff --git a/etc/themes/leuven-theme.el b/etc/themes/leuven-theme.el
index d544f28da79..677d91c5b74 100644
--- a/etc/themes/leuven-theme.el
+++ b/etc/themes/leuven-theme.el
@@ -48,12 +48,12 @@ Semantic, and Ansi-Color faces are included -- and much more...")
       (code-block '(:foreground "#000088" :background "#FFFFE0"))
       (code-inline '(:foreground "#006400" :background "#FDFFF7"))
       (column '(:height 1.0 :weight normal :slant normal :underline nil :strike-through nil :foreground "#E6AD4F" :background "#FFF2DE"))
-      (diff-added '(:foreground "#008000" :background "#DDFFDD"))
+      (diff-added '(:foreground "#008000" :background "#DDFFDD" :extend t))
       (diff-changed '(:foreground "#0000FF" :background "#DDDDFF"))
-      (diff-header '(:foreground "#800000" :background "#FFFFAF"))
+      (diff-header '(:foreground "#800000" :background "#FFFFAF" :extend t))
       (diff-hunk-header '(:foreground "#990099" :background "#FFEEFF"))
       (diff-none '(:foreground "gray33"))
-      (diff-removed '(:foreground "#A60000" :background "#FFDDDD"))
+      (diff-removed '(:foreground "#A60000" :background "#FFDDDD" :extend t))
       (directory '(:weight bold :foreground "blue" :background "#FFFFD2"))
       (highlight-line '(:background "#FFFFD7")) ; #F5F5F5
       (highlight-line-gnus '(:background "#DAEAFC")) ; defined in `gnus-leuven.el'
@@ -76,7 +76,7 @@ Semantic, and Ansi-Color faces are included -- and much more...")
       (ol8 '(:height 1.0 :weight bold :slant italic :foreground "#FD8008"))
       (paren-matched '(:background "#99CCFF"))
       (paren-unmatched '(:underline "red" :foreground nil :background "#FFDCDC"))
-      (region '(:background "#ABDFFA"))
+      (region '(:background "#ABDFFA" :extend t))
       (shadow '(:foreground "#7F7F7F"))
       (string '(:foreground "#008000")) ; or #D0372D
       (subject '(:family "Sans Serif" :weight bold :foreground "black"))
@@ -243,15 +243,15 @@ Semantic, and Ansi-Color faces are included -- and much more...")
    `(smerge-refined-change ((,class (:background "#AAAAFF"))))
 
    ;; Ediff
-   `(ediff-current-diff-A ((,class (:foreground "gray33" :background "#FFDDDD"))))
-   `(ediff-current-diff-B ((,class (:foreground "gray33" :background "#DDFFDD"))))
-   `(ediff-current-diff-C ((,class (:foreground "black" :background "cyan"))))
-   `(ediff-even-diff-A ((,class (:foreground "black" :background "light grey"))))
-   `(ediff-even-diff-B ((,class (:foreground "black" :background "light grey"))))
+   `(ediff-current-diff-A ((,class (:foreground "gray33" :background "#FFDDDD" :extend t))))
+   `(ediff-current-diff-B ((,class (:foreground "gray33" :background "#DDFFDD" :extend t))))
+   `(ediff-current-diff-C ((,class (:foreground "black" :background "cyan" :extend t))))
+   `(ediff-even-diff-A ((,class (:foreground "black" :background "light grey" :extend t))))
+   `(ediff-even-diff-B ((,class (:foreground "black" :background "light grey" :extend t))))
    `(ediff-fine-diff-A ((,class (:foreground "#A60000" :background "#FFAAAA"))))
    `(ediff-fine-diff-B ((,class (:foreground "#008000" :background "#55FF55"))))
-   `(ediff-odd-diff-A ((,class (:foreground "black" :background "light grey"))))
-   `(ediff-odd-diff-B ((,class (:foreground "black" :background "light grey"))))
+   `(ediff-odd-diff-A ((,class (:foreground "black" :background "light grey" :extend t))))
+   `(ediff-odd-diff-B ((,class (:foreground "black" :background "light grey" :extend t))))
 
    ;; Flyspell
 ;; (when (version< emacs-version "24.XXX")
@@ -462,7 +462,7 @@ Semantic, and Ansi-Color faces are included -- and much more...")
    `(info-xref-visited ((,class (:underline t :foreground "magenta4")))) ; previously visited cross-references
    `(light-symbol-face ((,class (:background "#FFFFA0"))))
    `(linum ((,class (:inherit (default shadow) :foreground "#9A9A9A" :background "#EDEDED"))))
-   `(log-view-file ((,class (:foreground "#0000CC" :background "#EAF2F5"))))
+   `(log-view-file ((,class (:foreground "#0000CC" :background "#EAF2F5" :extend t))))
    `(lui-button-face ((,class ,link)))
    `(lui-highlight-face ((,class (:box '(:line-width 1 :color "#CC0000") :foreground "#CC0000" :background "#FFFF88")))) ; my nickname
    `(lui-time-stamp-face ((,class (:foreground "purple"))))
diff --git a/etc/themes/light-blue-theme.el b/etc/themes/light-blue-theme.el
index 3060dcf09c7..e6d4a3a4b57 100644
--- a/etc/themes/light-blue-theme.el
+++ b/etc/themes/light-blue-theme.el
@@ -36,8 +36,8 @@
    `(fringe ((,class (:background "gray85"))))
    ;; Highlighting faces
    `(highlight ((,class (:background "cyan"))))
-   `(region ((,class (:background "MediumAquamarine"))))
-   `(secondary-selection ((,class (:background "white" :foreground "black"))))
+   `(region ((,class (:background "MediumAquamarine" :extend t))))
+   `(secondary-selection ((,class (:background "white" :foreground "black" :extend t))))
    `(isearch ((,class (:background "green" :foreground "Black"))))
    `(lazy-highlight ((,class (:background "dark turquoise"))))
    `(query-replace ((,class (:inherit isearch :background "white" :foreground "black"))))
diff --git a/etc/themes/manoj-dark-theme.el b/etc/themes/manoj-dark-theme.el
index 20e04cb7543..1313caa3c6e 100644
--- a/etc/themes/manoj-dark-theme.el
+++ b/etc/themes/manoj-dark-theme.el
@@ -435,11 +435,11 @@ jarring angry fruit salad look to reduce eye fatigue.")
  '(diary-button ((t (:background "lightgrey" :foreground "black"  :box (:line-width 2 :style released-button)))))
  '(diary-face ((t (:foreground "IndianRed"))))
  '(diary-time ((t (:foreground "LightGoldenrod"))))
- '(diff-added ((t (:foreground "Green"))))
+ '(diff-added ((t (:foreground "Green" :extend t))))
  '(diff-added-face ((t (:foreground "Green"))))
  '(diff-changed-face ((t (:foreground "Khaki"))))
  '(diff-context-face ((t (:foreground "grey70"))))
- '(diff-file-header ((t (:bold t :background "grey20"  :foreground "ivory1" :weight bold))))
+ '(diff-file-header ((t (:bold t :background "grey20"  :foreground "ivory1" :weight bold :extend t))))
  '(diff-file-header-face ((t (:bold t :background "grey20" :foreground "ivory1" :weight bold))))
  '(diff-function-face ((t (:foreground "SpringGreen1"))))
  '(diff-header-face ((t (:background "SlateBlue4"))))
@@ -448,7 +448,7 @@ jarring angry fruit salad look to reduce eye fatigue.")
  '(diff-index-face ((t (:bold t :weight bold :background "SteelBlue4" :foreground "linen" ))))
  '(diff-nonexistent ((t (:bold t :weight bold :background "Black" :foreground "Wheat1"))))
  '(diff-nonexistent-face ((t (:bold t :weight bold :background "Black" :foreground "Wheat1"))))
- '(diff-removed ((t (:foreground "salmon1"))))
+ '(diff-removed ((t (:foreground "salmon1" :extend t))))
  '(diff-removed-face ((t (:foreground "salmon1"))))
  '(diff-refine-change-face ((t (:background "MidnightBlue"))))
  '(diff-refine-change      ((t (:background "MidnightBlue"))))
@@ -511,7 +511,7 @@ jarring angry fruit salad look to reduce eye fatigue.")
  '(header-line ((t (:box (:line-width -1 :color "grey20" :style released-button) :background "grey20" :foreground "grey90"  :height 0.9))))
  '(help-argument-name ((t (:italic t :slant italic))))
  '(highlight ((t (:background "gray10" :foreground "Old Lace"))))
- '(hl-line  ((t (:background "grey10" :foreground "Old Lace"))))
+ '(hl-line  ((t (:background "grey10" :foreground "Old Lace" :extend t))))
  '(gnus-mouse-face ((t (:background "darkseagreen2" :foreground "blue"))))
  '(erc-button-mouse-face ((t (:background "darkseagreen2" :foreground "blue"))))
  '(align-highlight-change-face  ((t (:background "darkseagreen2" :foreground "blue"))))
@@ -601,7 +601,7 @@ jarring angry fruit salad look to reduce eye fatigue.")
  '(paren-mismatch-face ((t (:bold t :background "white" :foreground "red"))))
  '(paren-no-match-face ((t (:bold t :background "white" :foreground "red"))))
  '(query-replace ((t (:foreground "brown4" :background "palevioletred2"))))
- '(region ((t (:background "blue3"))))
+ '(region ((t (:background "blue3" :extend t))))
  '(realgud-overlay-arrow1        ((t (:foreground "medium sea green"))))
  '(realgud-overlay-arrow2        ((t (:foreground "white"))))
  '(realgud-overlay-arrow3        ((t (:foreground "indian red"))))
@@ -613,7 +613,7 @@ jarring angry fruit salad look to reduce eye fatigue.")
  '(realgud-line-number           ((t (:foreground "yellow"))))
  '(realgud-backtrace-number      ((t (:foreground "yellow" :weight bold))))
  '(scroll-bar ((t (:background "grey75" :foreground "WhiteSmoke"))))
- '(secondary-selection ((t (:background "SkyBlue4"))))
+ '(secondary-selection ((t (:background "SkyBlue4" :extend t))))
  '(semantic-dirty-token-face ((t (:background "lightyellow"))))
  '(semantic-highlight-edits-face ((t (:background "gray20"))))
  '(semantic-unmatched-syntax-face ((t (:underline "red"))))
@@ -631,10 +631,10 @@ jarring angry fruit salad look to reduce eye fatigue.")
  '(show-paren-match ((t (:background "steelblue3"))))
  '(show-paren-match-face ((t (:background "steelblue3"))))
  '(show-paren-mismatch ((t (:background "purple" :foreground "white"))))
- '(smerge-base ((t (:foreground "orange"))))
- '(smerge-markers ((t (:background "grey30"))))
- '(smerge-mine ((t (:foreground "cyan"))))
- '(smerge-other ((t (:foreground "lightgreen"))))
+ '(smerge-base ((t (:foreground "orange" :extend t))))
+ '(smerge-markers ((t (:background "grey30" :extend t))))
+ '(smerge-mine ((t (:foreground "cyan" :extend t))))
+ '(smerge-other ((t (:foreground "lightgreen" :extend t))))
  '(smerge-refined-change ((t (:background "blue4"))))
  '(speedbar-button-face ((t (:foreground "green3"))))
  '(speedbar-directory-face ((t (:foreground "light blue"))))
diff --git a/etc/themes/misterioso-theme.el b/etc/themes/misterioso-theme.el
index 727270c27f5..c7e1dc983fb 100644
--- a/etc/themes/misterioso-theme.el
+++ b/etc/themes/misterioso-theme.el
@@ -37,7 +37,7 @@
    ;; Highlighting faces
    `(fringe ((,class (:background "#2e3748"))))
    `(highlight ((,class (:background "#338f86" :foreground "#e1e1e0"))))
-   `(region ((,class (:background "#2d4948" :foreground "#e1e1e0"))))
+   `(region ((,class (:background "#2d4948" :foreground "#e1e1e0" :extend t))))
    `(isearch ((,class (:background "#fcffad" :foreground "#000000"))))
    `(lazy-highlight ((,class (:background "#338f86"))))
    `(trailing-whitespace ((,class (:background "#ff4242"))))
diff --git a/etc/themes/tango-dark-theme.el b/etc/themes/tango-dark-theme.el
index 91256208a3f..d2fdff8e091 100644
--- a/etc/themes/tango-dark-theme.el
+++ b/etc/themes/tango-dark-theme.el
@@ -61,8 +61,8 @@ Semantic, and Ansi-Color faces are included.")
    ;; Highlighting faces
    `(fringe ((,class (:background ,alum-7))))
    `(highlight ((,class (:foreground ,alum-6 :background "#c0c000"))))
-   `(region ((,class (:background ,alum-5))))
-   `(secondary-selection ((,class (:background ,blue-3))))
+   `(region ((,class (:background ,alum-5 :extend t))))
+   `(secondary-selection ((,class (:background ,blue-3 :extend t))))
    `(isearch ((,class (:foreground ,alum-1 :background ,orange-3))))
    `(lazy-highlight ((,class (:background ,choc-3))))
    `(trailing-whitespace ((,class (:background ,red-3))))
@@ -130,14 +130,14 @@ Semantic, and Ansi-Color faces are included.")
    ;; SMerge faces
    `(smerge-refined-change ((,class (:background ,blue-3))))
    ;; Ediff faces
-   `(ediff-current-diff-A ((,class (:background ,alum-5))))
+   `(ediff-current-diff-A ((,class (:background ,alum-5 :extend t))))
    `(ediff-fine-diff-A ((,class (:background ,blue-3))))
-   `(ediff-even-diff-A ((,class (:background ,alum-5.5))))
-   `(ediff-odd-diff-A ((,class (:background ,alum-5.5))))
-   `(ediff-current-diff-B ((,class (:background ,alum-5))))
+   `(ediff-even-diff-A ((,class (:background ,alum-5.5 :extend t))))
+   `(ediff-odd-diff-A ((,class (:background ,alum-5.5 :extend t))))
+   `(ediff-current-diff-B ((,class (:background ,alum-5 :extend t))))
    `(ediff-fine-diff-B ((,class (:background ,choc-3))))
-   `(ediff-even-diff-B ((,class (:background ,alum-5.5))))
-   `(ediff-odd-diff-B ((,class (:background ,alum-5.5))))
+   `(ediff-even-diff-B ((,class (:background ,alum-5.5 :extend t))))
+   `(ediff-odd-diff-B ((,class (:background ,alum-5.5 :extend t))))
    ;; Flyspell faces
    `(flyspell-duplicate ((,class (:underline ,orange-1))))
    `(flyspell-incorrect ((,class (:underline ,red-1))))
diff --git a/etc/themes/tango-theme.el b/etc/themes/tango-theme.el
index 12d4db3fe7c..c832192968a 100644
--- a/etc/themes/tango-theme.el
+++ b/etc/themes/tango-theme.el
@@ -53,8 +53,8 @@ Semantic, and Ansi-Color faces are included.")
    ;; Highlighting faces
    `(fringe ((,class (:background ,alum-2))))
    `(highlight ((,class (:background ,alum-3))))
-   `(region ((,class (:background ,alum-3))))
-   `(secondary-selection ((,class (:background ,blue-0))))
+   `(region ((,class (:background ,alum-3 :extend t))))
+   `(secondary-selection ((,class (:background ,blue-0 :extend t))))
    `(isearch ((,class (:foreground "#ffffff" :background ,orange-3))))
    `(lazy-highlight ((,class (:background ,choc-1))))
    `(trailing-whitespace ((,class (:background ,red-1))))
@@ -117,9 +117,9 @@ Semantic, and Ansi-Color faces are included.")
    ;; SMerge
    `(smerge-refined-change ((,class (:background ,plum-1))))
    ;; Ediff
-   `(ediff-current-diff-A ((,class (:background ,blue-1))))
+   `(ediff-current-diff-A ((,class (:background ,blue-1 :extend t))))
    `(ediff-fine-diff-A ((,class (:background ,plum-1))))
-   `(ediff-current-diff-B ((,class (:background ,butter-1))))
+   `(ediff-current-diff-B ((,class (:background ,butter-1 :extend t))))
    `(ediff-fine-diff-B ((,class (:background ,orange-1))))
    ;; Flyspell
    `(flyspell-duplicate ((,class (:underline ,orange-1))))
diff --git a/etc/themes/tsdh-dark-theme.el b/etc/themes/tsdh-dark-theme.el
index 5482ced6b29..bd0564a21dc 100644
--- a/etc/themes/tsdh-dark-theme.el
+++ b/etc/themes/tsdh-dark-theme.el
@@ -26,12 +26,12 @@
  'tsdh-dark
  '(aw-leading-char-face ((t (:background "gray30" :foreground "red" :weight bold))))
  '(default ((t (:background "gray20" :foreground "white smoke"))))
- '(diff-added ((t (:inherit diff-changed :background "dark green"))) t)
+ '(diff-added ((t (:inherit diff-changed :background "dark green" :extend t))) t)
  '(diff-changed ((t (:background "midnight blue"))) t)
  '(diff-indicator-added ((t (:inherit diff-indicator-changed))) t)
  '(diff-indicator-changed ((t (:weight bold))) t)
  '(diff-indicator-removed ((t (:inherit diff-indicator-changed))) t)
- '(diff-removed ((t (:inherit diff-changed :background "dark red"))) t)
+ '(diff-removed ((t (:inherit diff-changed :background "dark red" :extend t))) t)
  '(dired-directory ((t (:foreground "DodgerBlue" :weight bold))))
  '(error ((t (:foreground "deep pink" :weight bold))))
  '(eshell-prompt ((t (:inherit font-lock-function-name-face :weight bold))))
@@ -69,7 +69,7 @@
  '(header-line ((t (:inverse-video t :box (:line-width -1 :color "red" :style released-button)))))
  '(helm-header ((t (:background "DeepSkyBlue4" :weight bold))))
  '(highlight ((t (:background "sea green"))))
- '(hl-line ((t (:background "grey25"))))
+ '(hl-line ((t (:background "grey25" :extend t))))
  '(hl-paren-face ((t (:weight bold))) t)
  '(icomplete-first-match ((t (:foreground "deep sky blue" :weight bold))))
  '(ido-first-match ((t (:foreground "turquoise" :weight bold))))
@@ -132,9 +132,9 @@
  '(rcirc-other-nick ((t (:foreground "dodger blue"))) t)
  '(rcirc-track-keyword ((t (:foreground "DodgerBlue" :weight bold))) t)
  '(rcirc-track-nick ((t (:background "yellow" :foreground "DodgerBlue" :weight bold))) t)
- '(region ((t (:background "SeaGreen4"))))
+ '(region ((t (:background "SeaGreen4" :extend t))))
  '(scroll-bar ((t (:background "gray20" :foreground "dark turquoise"))))
- '(secondary-selection ((t (:background "#333366" :foreground "#f6f3e8"))))
+ '(secondary-selection ((t (:background "#333366" :foreground "#f6f3e8" :extend t))))
  '(show-paren-match ((t (:background "DeepSkyBlue4"))))
  '(show-paren-mismatch ((t (:background "dark magenta"))))
  '(swiper-match-face-1 ((t (:background "gray35"))))
diff --git a/etc/themes/tsdh-light-theme.el b/etc/themes/tsdh-light-theme.el
index 8e6a79f8e36..efc49c1a216 100644
--- a/etc/themes/tsdh-light-theme.el
+++ b/etc/themes/tsdh-light-theme.el
@@ -29,12 +29,12 @@ Used and created by Tassilo Horn.")
  '(Info-quoted ((t (:underline "gray40" :weight bold))))
  '(aw-leading-char-face ((t (:background "red" :foreground "white" :weight bold))))
  '(default ((t (:background "white" :foreground "black"))))
- '(diff-added ((t (:inherit diff-changed :background "light green"))))
+ '(diff-added ((t (:inherit diff-changed :background "light green" :extend t))))
  '(diff-changed ((t (:background "light steel blue"))))
  '(diff-indicator-added ((t (:inherit diff-indicator-changed))))
  '(diff-indicator-changed ((t (:weight bold))))
  '(diff-indicator-removed ((t (:inherit diff-indicator-changed))))
- '(diff-removed ((t (:inherit diff-changed :background "sandy brown"))))
+ '(diff-removed ((t (:inherit diff-changed :background "sandy brown" :extend t))))
  '(dired-directory ((t (:inherit font-lock-function-name-face :weight bold))))
  '(font-lock-builtin-face ((t (:foreground "#e44649"))))
  '(font-lock-comment-delimiter-face ((t (:inherit font-lock-comment-face :weight bold))))
@@ -62,7 +62,7 @@ Used and created by Tassilo Horn.")
  '(gnus-group-news-2-empty ((t (:foreground "tomato3"))))
  '(gnus-group-news-3 ((t (:inherit gnus-group-news-3-empty :weight bold))))
  '(gnus-group-news-3-empty ((t (:foreground "tomato2")))) '(header-line ((t (:inherit mode-line :inverse-video t))))
- '(hl-line ((t (:background "#f0f0f1"))))
+ '(hl-line ((t (:background "#f0f0f1" :extend t))))
  '(hl-paren-face ((t (:weight bold))) t)
  '(minibuffer-prompt ((t (:foreground "#0184bc" :box (:line-width -1 :style released-button) :weight bold))))
  '(mode-line ((t (:background "#f0f0f1" :box (:line-width 1 :color "#383a42")))))
diff --git a/etc/themes/wheatgrass-theme.el b/etc/themes/wheatgrass-theme.el
index 640343a33bc..2628b68ff06 100644
--- a/etc/themes/wheatgrass-theme.el
+++ b/etc/themes/wheatgrass-theme.el
@@ -40,8 +40,8 @@ of green, brown, and blue.")
    `(compilation-info ((,class (:foreground "ForestGreen"))))
    ;; Highlighting faces
    `(highlight ((,class (:foreground "white" :background "dark green"))))
-   `(region ((,class (:foreground "white" :background "dark green"))))
-   `(secondary-selection ((,class (:background "dark slate gray"))))
+   `(region ((,class (:foreground "white" :background "dark green" :extend t))))
+   `(secondary-selection ((,class (:background "dark slate gray" :extend t))))
    `(isearch ((,class (:foreground "white" :background "dark goldenrod"))))
    `(lazy-highlight ((,class (:background "gray25"))))
    ;; Font lock faces
diff --git a/etc/themes/wombat-theme.el b/etc/themes/wombat-theme.el
index c56700ffd9a..0a5e87ac585 100644
--- a/etc/themes/wombat-theme.el
+++ b/etc/themes/wombat-theme.el
@@ -36,8 +36,8 @@ are included.")
    `(fringe ((,class (:background "#303030"))))
    `(highlight ((,class (:background "#454545" :foreground "#ffffff"
                          :underline t))))
-   `(region ((,class (:background "#444444" :foreground "#f6f3e8"))))
-   `(secondary-selection ((,class (:background "#333366" :foreground "#f6f3e8"))))
+   `(region ((,class (:background "#444444" :foreground "#f6f3e8" :extend t))))
+   `(secondary-selection ((,class (:background "#333366" :foreground "#f6f3e8" :extend t))))
    `(isearch ((,class (:background "#343434" :foreground "#857b6f"))))
    `(lazy-highlight ((,class (:background "#384048" :foreground "#a0a8b0"))))
    ;; Mode line faces
diff --git a/lisp/vc/diff-mode.el b/lisp/vc/diff-mode.el
index dfac1cca808..08998fbc776 100644
--- a/lisp/vc/diff-mode.el
+++ b/lisp/vc/diff-mode.el
@@ -302,8 +302,8 @@ well."
     (((class color) (min-colors 88) (background dark))
      :background "grey45" :extend t)
     (((class color))
-     :foreground "blue1" :weight bold)
-    (t :weight bold))
+     :foreground "blue1" :weight bold :extend t)
+    (t :weight bold :extend t))
   "`diff-mode' face inherited by hunk and index header faces.")
 
 (defface diff-file-header
@@ -312,8 +312,8 @@ well."
     (((class color) (min-colors 88) (background dark))
      :background "grey60" :weight bold :extend t)
     (((class color))
-     :foreground "cyan" :weight bold)
-    (t :weight bold))                   ; :height 1.3
+     :foreground "cyan" :weight bold :extend t)
+    (t :weight bold :extend t))                 ; :height 1.3
   "`diff-mode' face used to highlight file header lines.")
 
 (defface diff-index
@@ -334,7 +334,7 @@ well."
     (((class color) (min-colors 88) (background dark))
      :background "#553333" :extend t)
     (((class color))
-     :foreground "red"))
+     :foreground "red" :extend t))
   "`diff-mode' face used to highlight removed lines.")
 
 (defface diff-added
@@ -347,7 +347,7 @@ well."
     (((class color) (min-colors 88) (background dark))
      :background "#335533" :extend t)
     (((class color))
-     :foreground "green"))
+     :foreground "green" :extend t))
   "`diff-mode' face used to highlight added lines.")
 
 (defface diff-changed
diff --git a/lisp/vc/ediff-init.el b/lisp/vc/ediff-init.el
index ca7f4eb8a22..a9cbf40c5e3 100644
--- a/lisp/vc/ediff-init.el
+++ b/lisp/vc/ediff-init.el
@@ -813,7 +813,7 @@ to temp files in buffer jobs and when Ediff needs to find fine differences."
      (:foreground "firebrick" :background "pale green" :extend t))
     (((class color))
      (:foreground "blue3" :background "yellow3" :extend t))
-    (t (:inverse-video t)))
+    (t (:inverse-video t :extend t)))
   "Face for highlighting the selected difference in buffer A."
   :group 'ediff-highlighting)
 ;; An internal variable.  Ediff takes the face from here.  When unhighlighting,
@@ -835,7 +835,7 @@ this variable represents.")
     (((class color))
      (:foreground "magenta3" :background "yellow3"
                   :weight bold :extend t))
-    (t (:inverse-video t)))
+    (t (:inverse-video t :extend t)))
   "Face for highlighting the selected difference in buffer B."
   :group 'ediff-highlighting)
 ;; An internal variable.  Ediff takes the face from here.  When unhighlighting,
@@ -856,7 +856,7 @@ this variable represents.")
      (:foreground "Navy" :background "Pink" :extend t))
     (((class color))
      (:foreground "cyan3" :background "yellow3" :weight bold :extend t))
-    (t (:inverse-video t)))
+    (t (:inverse-video t :extend t)))
   "Face for highlighting the selected difference in buffer C."
   :group 'ediff-highlighting)
 ;; An internal variable.  Ediff takes the face from here.  When unhighlighting,
@@ -879,7 +879,7 @@ this variable represents.")
      :background "#004151" :extend t)
     (((class color))
      (:foreground "black" :background "magenta3" :extend t))
-    (t (:inverse-video t)))
+    (t (:inverse-video t :extend t)))
   "Face for highlighting the selected difference in buffer Ancestor."
   :group 'ediff-highlighting)
 ;; An internal variable.  Ediff takes the face from here.  When unhighlighting,
@@ -1001,7 +1001,7 @@ this variable represents.")
     (((class color))
      (:foreground "red3" :background "light grey"
                   :weight bold :extend t))
-    (t (:italic t :stipple ,stipple-pixmap)))
+    (t (:italic t :stipple ,stipple-pixmap :extend t)))
   "Face for highlighting even-numbered non-current differences in buffer A."
   :group 'ediff-highlighting)
 ;; An internal variable.  Ediff takes the face from here.  When unhighlighting,
@@ -1020,7 +1020,7 @@ this variable represents.")
      (:foreground "White" :background "Grey" :extend t))
     (((class color))
      (:foreground "blue3" :background "Grey" :weight bold :extend t))
-    (t (:italic t :stipple ,stipple-pixmap)))
+    (t (:italic t :stipple ,stipple-pixmap :extend t)))
   "Face for highlighting even-numbered non-current differences in buffer B."
   :group 'ediff-highlighting)
 ;; An internal variable.  Ediff takes the face from here.  When unhighlighting,
@@ -1042,7 +1042,7 @@ this variable represents.")
     (((class color))
      (:foreground "yellow3" :background "light grey"
                   :weight bold :extend t))
-    (t (:italic t :stipple ,stipple-pixmap)))
+    (t (:italic t :stipple ,stipple-pixmap :extend t)))
   "Face for highlighting even-numbered non-current differences in buffer C."
   :group 'ediff-highlighting)
 ;; An internal variable.  Ediff takes the face from here.  When unhighlighting,
@@ -1064,7 +1064,7 @@ this variable represents.")
     (((class color))
      (:foreground "cyan3" :background "light grey"
                   :weight bold :extend t))
-    (t (:italic t :stipple ,stipple-pixmap)))
+    (t (:italic t :stipple ,stipple-pixmap :extend t)))
   "Face for highlighting even-numbered non-current differences in the ancestor buffer."
   :group 'ediff-highlighting)
 ;; An internal variable.  Ediff takes the face from here.  When unhighlighting,
@@ -1092,7 +1092,7 @@ this variable represents.")
      (:foreground "White" :background "Grey" :extend t))
     (((class color))
      (:foreground "red3" :background "black" :weight bold :extend t))
-    (t (:italic t :stipple "gray1")))
+    (t (:italic t :stipple "gray1" :extend t)))
   "Face for highlighting odd-numbered non-current differences in buffer A."
   :group 'ediff-highlighting)
 ;; An internal variable.  Ediff takes the face from here.  When unhighlighting,
@@ -1114,7 +1114,7 @@ this variable represents.")
      (:foreground "Black" :background "light grey" :extend t))
     (((class color))
      (:foreground "cyan3" :background "black" :weight bold :extend t))
-    (t (:italic t :stipple "gray1")))
+    (t (:italic t :stipple "gray1" :extend t)))
   "Face for highlighting odd-numbered non-current differences in buffer B."
   :group 'ediff-highlighting)
 ;; An internal variable.  Ediff takes the face from here.  When unhighlighting,
@@ -1135,7 +1135,7 @@ this variable represents.")
      (:foreground "White" :background "Grey" :extend t))
     (((class color))
      (:foreground "yellow3" :background "black" :weight bold :extend t))
-    (t (:italic t :stipple "gray1")))
+    (t (:italic t :stipple "gray1" :extend t)))
   "Face for highlighting odd-numbered non-current differences in buffer C."
   :group 'ediff-highlighting)
 ;; An internal variable.  Ediff takes the face from here.  When unhighlighting,
@@ -1154,7 +1154,7 @@ this variable represents.")
      (:foreground "cyan3" :background "gray40" :extend t))
     (((class color))
      (:foreground "green3" :background "black" :weight bold :extend t))
-    (t (:italic t :stipple "gray1")))
+    (t (:italic t :stipple "gray1" :extend t)))
   "Face for highlighting odd-numbered non-current differences in the ancestor buffer."
   :group 'ediff-highlighting)
 ;; An internal variable.  Ediff takes the face from here.  When unhighlighting,
diff --git a/lisp/vc/log-view.el b/lisp/vc/log-view.el
index 054c2b91340..31d833c6f39 100644
--- a/lisp/vc/log-view.el
+++ b/lisp/vc/log-view.el
@@ -197,14 +197,14 @@ If it is nil, `log-view-toggle-entry-display' does nothing.")
 (defface log-view-file
   '((((class color) (background light))
      (:background "grey70" :weight bold :extend t))
-    (t (:weight bold)))
+    (t (:weight bold :extend t)))
   "Face for the file header line in `log-view-mode'."
   :group 'log-view)
 
 (defface log-view-message
   '((((class color) (background light))
      (:background "grey85" :extend t))
-    (t (:weight bold)))
+    (t (:weight bold :extend t)))
   "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 6d2d3f8d42f..cbd5e77120b 100644
--- a/lisp/vc/smerge-mode.el
+++ b/lisp/vc/smerge-mode.el
@@ -81,7 +81,7 @@ Used in `smerge-diff-base-upper' and related functions."
     (((class color) (min-colors 88) (background dark))
      :background "#553333" :extend t)
     (((class color))
-     :foreground "red"))
+     :foreground "red" :extend))
   "Face for the `upper' version of a conflict.")
 (define-obsolete-face-alias 'smerge-mine 'smerge-upper "26.1")
 (defvar smerge-upper-face 'smerge-upper)
@@ -92,7 +92,7 @@ Used in `smerge-diff-base-upper' and related functions."
     (((class color) (min-colors 88) (background dark))
      :background "#335533" :extend t)
     (((class color))
-     :foreground "green"))
+     :foreground "green" :extend))
   "Face for the `lower' version of a conflict.")
 (define-obsolete-face-alias 'smerge-other 'smerge-lower "26.1")
 (defvar smerge-lower-face 'smerge-lower)
@@ -103,7 +103,7 @@ Used in `smerge-diff-base-upper' and related functions."
     (((class color) (min-colors 88) (background dark))
      :background "#888833" :extend t)
     (((class color))
-     :foreground "yellow"))
+     :foreground "yellow" :extend t))
   "Face for the base code.")
 (defvar smerge-base-face 'smerge-base)