(hs-minor-mode-hook): Include `:version' in defcustom form.

diff --git a/lisp/progmodes/hideshow.el b/lisp/progmodes/hideshow.el
index 08d5a725310b307d41648b0fe21c92a9149d1b23..b4be14e7ba23cd4081e53d319373eeef1b7b3f36 100644 (file)
--- a/lisp/progmodes/hideshow.el
+++ b/lisp/progmodes/hideshow.el
@@ -204,7 +204,8 @@
 (defcustom hs-minor-mode-hook nil
   "*Hook called when hideshow minor mode is activated or deactivated."
   :type 'hook
-  :group 'hideshow)
+  :group 'hideshow
+  :version "21.1")
 
 (defcustom hs-isearch-open 'block
   "*What kind of hidden blocks to open when doing `isearch'.