* Unicast responses/queries
* Legacy unicast
+* remove expression "rrset" from source files
+
+* add SRV and TXT records referenced from PTR records automatically to packet
+* add A and AAAA records referenced from SRV records automatically to packet
+
+* make flx_server_add_text() and flx_server_add_service() variadic functions
+
+* name compression
+
+* respect escaping in name serialization
+
done:
* really send goodbye packets
* refresh subscribed records only