With argument SINCE-VERSION (a string), customize all settings
that were added or redefined since that version."
- (interactive "sCustomize options changed, since version (default all versions): ")
+ (interactive
+ (list
+ (read-from-minibuffer
+ (format "Customize options changed, since version (default %s): "
+ customize-changed-options-previous-release))))
(if (equal since-version "")
(setq since-version nil)
(unless (condition-case nil