(require-final-newline): Fix custom :type.

diff --git a/lisp/files.el b/lisp/files.el
index 85fe7c24d78fce951d6557744af6d43ceb9bc083..93ca1c7d275696da3574ce70f6c2b8093f19037d 100644 (file)
--- a/lisp/files.el
+++ b/lisp/files.el
@@ -220,7 +220,9 @@ Includes the new backup.  Must be > 0"
   "*Value of t says silently ensure a file ends in a newline when it is saved.
 Non-nil but not t says ask user whether to add a newline when there isn't one.
 nil means don't add newlines."
-  :type 'boolean
+  :type '(choice (const :tag "Off" nil)
+                (const :tag "Add" t)
+                (sexp :tag "Ask" :format "%t\n" ask))
   :group 'editing-basics)
 
 (defcustom auto-save-default t