val make_function_obsolete : Symbol.t -> current:Symbol.t option -> since:string -> unit(describe-function 'make-obsolete)
Note: this does not define a function alias. See Defun.define_obsolete_alias.
val make_variable_obsolete : Symbol.t -> current:Symbol.t option -> since:string -> unit(describe-function 'make-obsolete-variable)
Note: this does not define a variable alias. See Defvar.define_obsolete_alias.