Re: Redifine make-backup-file-name has no effect

[Richard Stallman]

    > Thanks, Jan.  Alas, I'm not sure what the right fix is here because
    > I'm not sure from the docs if a make-backup-file-name-function is
    > supposed to return a file name including versions or not.

Definitely not.   (The documentation of make-backup-file-name
says this clearly.)

                                                                 There are
    > indirect hints that it might have to return file names with versions,

Where are those "hints"?  We need to fix that text not to give
this implication.

    > --- 2411,2417 ----
    >       (if handler
    >           (funcall handler 'find-backup-file-name fn)
    >         (if (or (eq version-control 'never)
    > +               (not (null make-backup-file-name-function))
    >                 ;; We don't support numbered backups on plain MS-DOS
    >                 ;; when long file names are unavailable.
    >                 (and (eq system-type 'ms-dos)

That change is not correct--please don't install it.