Configure the pacfiles package

It helps a lot during big Arch upgrades.

configuration.org

@@ -2160,6 +2160,13 @@ Then configure ~real-auto-save-mode~
   (text-mode . gpolonkai/dont-autosave-remote))
 #+END_SRC
 
+** Help merging ~pacsave~ and ~pacnew~ files
+
+#+BEGIN_SRC emacs-lisp
+(use-package pacfiles-mode
+  :commands pacfiles)
+#+END_SRC
+
 * Make programming a bit easier
 
 ** Electric case