This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.
Boy, I'm glad we're not using sup anymore. This update would have been
insane otherwise.
default, so there's no use in running it without any printer
definition in printcap. Also added a bunch of hints about the printer
setup, to guide the admin about the printer setup (handbook,
"apsfilter"), and a commented-out sample setup for a remote printer.
In the same line, add /var/spool/lpd/output to BSD.var.dist since it
is referred to by the "lp" entry in printcap.
