The NetBSD Foundation states "Third parties are encouraged to change the
license on any files which have a 4-clause license contributed to the
NetBSD Foundation to a 2-clause license."
This change removes clauses 3 and 4 from copyright / license blocks that
list The NetBSD Foundation as the only copyright holder.
Sponsored by: The FreeBSD Foundation
match our import of the (un)vis(3) APIs.
This adds support for multibyte encoding and the -h and -m flags which
support HTTP and MIME encoding respectively.
PR: bin/175418
Obtained from: NetBSD