* Improve support for CAA records. (CAA was previously rendered as a
"generic" rdata type.)
* Bug fix for NSEC/NSEC3/CSYNC: do not output empty rrtype bitmaps
per RFC6840 section 6.4.
* Fix parsing of A6 records that ommit and address portion. Correct
parsing of A6 records with prefix length 0. Correct handling of
A6 address bytes. The address bytes of an A6 record are an address
suffix relative to the prefix represented by the domain name, and
so must be copied to and from the lower order bytes of the internal
address representation. These A6 code updates were for the purposes
of clearing "round trip" test errors in the existing code base.
(A6 is deprecated and was moved to historic status.)
* Fix bug in IPv6 prefix length processing in
_wdns_str_to_rdata_ubuf().
* Add support for SVCB and HTTPS resource record types. This is based
on an Internet-Draft but is widely used in the real world.
https://datatracker.ietf.org/doc/html/draft-ietf-dnsop-svcb-https-08
Bump PORTREVISION of dependent ports due to shared library version
change.
Sponsored by: DomainTools
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