mh-make-obsolete-variable

mh-make-obsolete-variable is a Lisp macro in `mh-compat.el'.

(mh-make-obsolete-variable OBSOLETE-NAME CURRENT-NAME &optional WHEN ACCESS-TYPE)

Make the byte-compiler warn that OBSOLETE-NAME is obsolete.
See documentation for `make-obsolete-variable' for a description
of the arguments OBSOLETE-NAME, CURRENT-NAME, and perhaps WHEN
and ACCESS-TYPE. This macro is used by XEmacs that lacks WHEN and
ACCESS-TYPE arguments and by Emacs versions that lack ACCESS-TYPE,
introduced in Emacs 24.