NPF on 8.1 and pcap-filter expressions

[Frank Kardel <kardel%netbsd.org@localhost>]

I just tripped over:

  pass in final pcap-filter "ip multicast or ip6 multicast"

flawlessly compiles ... but:

  pass in final pcap-filter "ip broadcast"

gives in "npf validate"

/etc/npf.conf:xx:9: invalid pcap-filter(7) syntax

although man 7 pcap-filter says otherwise and tcpdump gladly accepts ip 
broadcast.

What needs to be fixed?

Frank