- use lutimes() and lchmod() in addition to lchown()
- add --norecurse as an undocumented synonym for --no-recursion
- add --fast-read as an undocumented nullop (this is _not_ necessary)
- pre-set --unlink-first
- add --unlink as an undocumented synonym for --unlink-first
- add --no-unlink-first to allow turning --unlink-first off
NetBSD's tar is based on GNU tar 1.11.2. This tar, 1.12, has much of the
functionality NetBSD has added over time, so only the above changes were
necessary.