Interesting fact:
I got to the party late for the second fight, and wasn't in the area where the fighting was. (For those who don't know, the doors to the area under attack are sealed...so if you warp in to the Homepoint, you can't access the fight unless the doors are breached.)
Now, once those doors are closed, you can't tab and target anyone on the other side...but I had a couple party members fighting close to the door, and I could heal them through the door by typing /ma "Cure IV" < name>. I could Refresh them, too.
Kept a couple people alive that way, didn't come even close to dying (since the wall was never breached), but I did get 400 odd XP and some Imperial Standing points after the victory. Not quite the full points, but that may have been because I wasn't there the whole time, rather than because I wasn't under direct attack.
I would assume this would work for non-party-members, too, as long as they were within casting range.
Edit: Erm, nvm. It's been pointed out to me that it *is* possible to get into the battle zone, I just missed it. Oh well, it's still good to know.
Edited, Thu May 11 15:57:49 2006 by ShabetRDM