Ensure applescript-mode installation to a TODO section

README.org

@@ -205,8 +205,7 @@ The [[info:emacs#Init File][init file (info)]] does not load the ~custom-file~ a
                                (marginalia . "gnu")
                                (vertico . "gnu")))
    '(package-selected-packages
-     '(applescript-mode   ; mode to edit AppleScript code
-       async              ; asynchroneous processing
+     '(async              ; asynchroneous processing
        auctex             ; Aalborg University Center TeX
        citar              ; bibliography handling
        citeproc           ; bibliography handling
@@ -784,6 +783,14 @@ may hang or die.
 2. [[https://www.hammerspoon.org/][Hammerspoon]]
 3. [[https://vritser.github.io/posts/capture-anywhere/][Emacs Capture Anywhere]]
 
+#+caption[Ensure =applescript-mode= installation]:
+#+caption: Ensure =applescript-mode= installation.
+#+name: lst:ensure-applescript-mode-installation
+#+begin_src emacs-lisp
+  (when (ensure-package-installation
+         'applescript-mode)) ; mode to edit AppleScript code
+#+end_src
+
 * Completion
 :PROPERTIES:
 :CUSTOM_ID: sec:completion