Function: custom-prompt-customize-unsaved-options
custom-prompt-customize-unsaved-options is an autoloaded and
byte-compiled function defined in cus-edit.el.gz.
Signature
(custom-prompt-customize-unsaved-options)
Documentation
Prompt user to customize any unsaved customization options.
Return nil if user chooses to customize, for use in
kill-emacs-query-functions.
Probably introduced at or before Emacs version 25.1.
Source Code
;; Defined in /usr/src/emacs/lisp/cus-edit.el.gz
;;;###autoload
(defun custom-prompt-customize-unsaved-options ()
"Prompt user to customize any unsaved customization options.
Return nil if user chooses to customize, for use in
`kill-emacs-query-functions'."
(not (and (custom-unsaved-options)
(yes-or-no-p
"Some customized options have not been saved; Examine? ")
(progn (customize-unsaved) t))))