to automatically watch everything in /etc except for specifically excluded
files.

sendmail listen to requests on port 25, just process the queue every
30 minutes to take care of any unsent mail. OK millert@.

mistaken assumption.  Noted by dynamo@ime.net.  Fixed by moving the
check for meta character expansion to be inside the two for loops.
They are expanded by simple assignment.

Probably just paranoia (since /var/tmp/vi.recover is created the
first time the machine is booted) but it can't hurt.

to read from them (this is a user-writable directory so it is
possible to play games).  Fixes a possible DOS noted by dynamo@ime.net.
If it's not a regular file, we delete it.

bridgename.* files; all documented in new hostname.if(5) and
bridgename.if(5) man pages

don't want them fetched from YP, it will find them in the current directory.

/var/spool/lock becomes uucp.dialer, mode 1775, and serial devices
become uucp.dialer, mode 660.
(A couple of "dead" MAKEDEVs have been updated because they conformed the
the old permission scheme, while others have not because they didn't.)

is useful for laptops with different ethernet cards etc.)

problem noted by hugh@openbsd.org whereby a user could create the
well-known /tmp/_motd file and use chflags to make it unremovable.
Then at the next reboot the user's /tmp/_motd would end up in the
system motd.

"The mailwrapper program is designed to replace /usr/sbin/sendmail and to
invoke an appropriate MTA instead of sendmail(8) based on configuration
information placed in /etc/mailer.conf. This permits the administrator to
configure which MTA is to be invoked on the system at run time."
OK deraadt, millert