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                        gai_strerror(). [RT #679]

have the notion that there can be both a search list and a default
domain at the same time.  The resolv.conf "domain" directive is now
used only if there is no "search" directive, and is treated exacly
like a one-element searchlist. The "+domain" option of dig and the
"set domain" command of nslookup are now merely ways of overriding the
resolv.conf search list.  Parents of the name given in the "domain"
directive are still not searched; this is considered a feature and is
consistent with lwres, but different from the BIND 8 resolver. The
"+defname" option to "dig" is now deprecated and treated as a synonym
for "+search"

                        options from resolv.conf, and it (and host) should use
                        the search list items first. [RT #405, #630]

(which coincidentally had the same size as the right one)

                        TCP.

                        [RT574]

 653.   [bug]           +defname option in dig was reversed in sense.  [RT549]

and should be avoided

typo fix.

sure where to find a machine without v4 networking.

                        is now implemented.  Responses to queries without
                        this bit set will not contain any DNSSEC records.

names out of message_parse when PRESERVE_ORDER is set.

                        DNS_RDATA_UPDATE flag.

 531.   [func]          Rdata really should be initalized before being
                        assigned to (dns_rdata_fromwire(), dns_rdata_fromtext(),
                        dns_rdata_clone(), dns_rdata_fromregion()),
                        check that it is.

a common place.

More ISC_LINK_INIT's added where needed.

Fix hex_dump()

dig's code, but never made it down to the mainline.  These are fixes to some
potential bugs Brian noticed.

Remove -w option; default xfr's to +nocomments, +noquestion.  Remove wiring
around repeated comment printing, so xfr's with +comments will cause
comment headers to be printed per packet, producing same result as -w
gave.