New version of nsdiff

[Tony Finch]

The "nsdiff" program examines old and new versions of a DNS zone and
outputs the differences as a script for use by BIND's nsupdate program.
It allows you to continue to manually maintain flat text master files as
before, and feed the changes you make into named's easy dynamic DNSSEC
support.

This version fixes the handling of TTL changes, and adds support for using
TSIG when fetching the old version of the zone (e.g. to support views).
It now has documentation.

http://www-uxsup.csx.cam.ac.uk/~fanf2/hermes/conf/bind/bin/nsdiff

Tony.
-- 
f.anthony.n.finch  <dot at dotat.at>  http://dotat.at/
Sole, Lundy, Fastnet: West or northwest, backing southwest, 3 or 4, increasing
5 to 7 later. Slight or moderate, occasionally rough later. Mainly fair. Good.