>IMHO a `clean' solution to this problem means either separate files,
>or a way to robustly mark `stanzas', to slurp out a given (modified)
>stanza from an old rc.conf, and drop the modified stanza in as a
>replacement for the same `stanza' in a updated rc.conf from a newer
>distribution (while leaving other stanzas unmodified)....

That's why the SysV method is so tolerable - because you *can* update one
thing and not be updating another, and because it gives you a bit more room
to split out configuration files.  At least damage is localized.  :)

-s