>> 	hmm, opinion varies... what should I do?  I see very few commits
>> 	in obsolete.* after they were created (never, or only once).
>> 	http://cvsweb.netbsd.org/bsdweb.cgi/basesrc/distrib/sets/lists/base/
>If you remove sysctl from /usr/sbin it should be but in the obsolete
>list, so that sysinst will be able to remove it on upgrade. Otherwise,
>on upgrade from 1.4.x->1.5 a 1.4 sysctl will be left in /usr/sbin which 
>is bad.
>If you make a symlink in /usr/sbin then the old sysctl will be remplaced
>by the symlink when sysinst unpacks the sets.

	Thanks for comment.  The current tree does not keep symlink from
	/usr/sbin/sysctl to /sbin, so I'd need to add a line into obsolete.mi.
	I will add one.

itojun