GitLab

			of available physical memory, set default to 90%.
			[RT #38442]

                        all platforms.  [RT #32688]

			- add ddns-confgen command to generate
			  configuration text for named.conf
			- add zone option "ddns-autoconf yes;", which
			  causes named to generate a TSIG session key
			  and allow updates to the zone using that key
			- add '-l' (localhost) option to nsupdate, which
			  causes nsupdate to connect to a locally-running
			  named process using the session key generated
			  by named
			[RT #19284]

document "rndc -k"