of queueing them up.

not matched, instead of LDAP_NO_SUCH_ATTRIBUTE

	if -f but no -F, just read config file
	if -f and -F, convert config file to config dir
	else, try reading config dir
	if no config dir, try config filE

refactor ABI for arbitrary attribute/entry/callback registration; propagate pointers to Operation and SlapReply structures to entry create/update/modify callbacks; cleanup