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			enabliing named to defer the decision of whether to
			allow a dynamic update to an external daemon.
			(Contributed by Andrew Tridgell.) [RT #22758]

                        [RT #22766]

			can be switched on by setting "dnssec-validation auto;"
			in the named.conf options. [RT #21727]

			 - nsupdate can now get the default realm from
			   the user's Kerberos principal
			 - corrected gsstest compilation flags
			 - improved documentation
			 - fixed some NULL dereferences
			[RT #22795]