(whitespace): Add :version to defgroup.

diff --git a/lisp/whitespace.el b/lisp/whitespace.el
index 2b1385bf439d02b3a4167e14b8b17a57006a7e07..a10687b405daba30e20d415ce6387ebf3d60577c 100644 (file)
--- a/lisp/whitespace.el
+++ b/lisp/whitespace.el
@@ -87,6 +87,7 @@ don't define defcustom"
   "Check for and fix five different types of whitespaces in source code."
   ;; Since XEmacs doesn't have a 'convenience group, use the next best group
   ;; which is 'editing?
+  :version "21.1"
   :group (if whitespace-running-emacs 'convenience 'editing))
 
 (defcustom whitespace-check-leading-whitespace t