Re: Unbearably slow editing in .h files

[Richard Stallman]

    > I don't think add-log-current-defun is supposed to
    > refer to declarations in the first place.

    Why not.  When we make a change to (or add/remove) a declaration, we
    usually mention it in the ChangeLog, so C-x 4 a should ideally pick
    it up.

All else being equal, this feature would be good.  But I suspect it
may be hard, and I think it is not worth a lot of work.