This appendix contains all the information you are ever going to need about the combat log and combat-related functions. You can probably find all the information presented here on the Internet (for example on WoWWiki), but it is scattered. It can be useful to have all the combat-related events and units in a single place.
The two combat log events
COMBAT_LOG_EVENT_UNFILTERED have the same arguments; the only difference is that the unfiltered event is called for all combat log events, while the normal event is fired only for events that pass through your currently ...