defcustom-mh
defcustom-mh is a Lisp macro in `mh-e.el
'.
(defcustom-mh SYMBOL VALUE DOC &rest ARGS)
Declare SYMBOL as a customizable variable that defaults to VALUE.
See documentation for `defcustom' for a description of the arguments
SYMBOL, VALUE, DOC and ARGS.
This macro is used by Emacs versions that lack the :package-version
keyword, introduced in Emacs 22.