Proper use of face customization functions.

config.org

@@ -62,21 +62,26 @@ Now the font proper selection
       (variable-font (chicken/select-first-available-font '("PragmataPro Liga" "PragmataPro" "Segoe UI")))
       (unicode-font (chicken/select-first-available-font '("PragmataPro Liga" "PragmataPro" "Segoe UI")))
       (serif-font (chicken/select-first-available-font '("Iosevka Slab" "Courrier New" "Courrier New"))))
-  (setq doom-font (font-spec
-                   :family code-font
-                   :size base-size)
-        doom-variable-pitch-font (font-spec
-                                  :family variable-font
-                                  :size base-size)
-        doom-unicode-font (font-spec
-                           :family unicode-font
-                           :size base-size)
-        doom-big-font (font-spec
-                       :family code-font
-                       :size (* base-size 2))
-        doom-serif-font (font-spec
-                         :family serif-font
-                         :size base-size)))
+  (setq doom-font
+        (font-spec
+         :family code-font
+         :size base-size)
+        doom-variable-pitch-font
+        (font-spec
+         :family variable-font
+         :size base-size)
+        doom-unicode-font
+        (font-spec
+         :family unicode-font
+         :size base-size)
+        doom-big-font
+        (font-spec
+         :family code-font
+         :size (* base-size 2))
+        doom-serif-font
+        (font-spec
+         :family serif-font
+         :size base-size)))
 #+END_SRC
 
 A note about the serif font: I can't set the styling set for a given font on
@@ -98,7 +103,8 @@ dividers (located in the ~window-divider~ group) are inheriting from the
 ~vertical-border~ face, so editing the later allows me to quickly change the
 border color if needed.
 #+BEGIN_SRC emacs-lisp :tangle no
-(set-face-attribute 'vertical-border nil :foreground "red")
+(custom-set-faces!
+  '(vertical-border :foreground "red"))
 #+END_SRC
 *** STRT Doom Modeline
 I'm trying to slightly tweak the modeline to show some info like the word count
@@ -128,7 +134,8 @@ visual noise.
 I like my line numbers in italic, for no sensible reason. It just looks good to
 me.
 #+begin_src emacs-lisp
-(set-face-italic 'line-number t)
+(custom-set-faces!
+ '(line-number :slant italic))
 #+end_src
 * Python
 ** Python-x