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                        delay between sets of NOTIFY messages.

                        only refer to existing acls. [RT #13101]

                        non-terminal wildcard records.

  additional sections for a (DNS) cached response can also be stored
  in the additional cache. [RT #13339]

  incrementing the reference counter to the entry.  Otherwise, the
  entry could leak when dns_acache_setentry() fails.  This must be
  corrected in some way if not by this change. [RT #13339]

			an internal cache framework for additional section
			content to improve response performance.  Several
			configuration options were provided to control the
			behavior.