Re: sort-first arg to map-keymap

[Richard Stallman]

    As best as I can tell, it comes from emacs-lisp/lucid.el which is a brittle
    package which tries to provide very coarse XEmacs compatibility; but
    XEmacs's `map-keymap' function doesn't behave like ours anyway (it doesn't
    apply the function to the keymap's parents, for one thing), and lucid.el has
    never been very highly used, so it seems better to keep its brittle code in
    lucid.el than to move it to subr.el.

You may be right, but why change this now?