bin/tests/zone2_test.c; it's obsolete and zone2_test.c is the only
place using it

Generate NOTIFY messages.

or vice versa, the resolver could catch an assertion or lose signature data,
respectively.

                        dns/rbt.h; it was needed only by compress.c and zt.c.

                        and dns_rbt_deletenode was added.

log messages

isc_textregion_t, isc_lex_t

we got an assertion failure

                        logged by any channel in the logging configuration
                        will not cause the log mutex to be locked.