When you're in the trade chan and someone /w's you with somethign you need, but their name is too damn long, or you just don't feel like typing it. Well, if noone has msg'd you after that person sent you his msg, all you have to do is type /r and then a response!
holy shit! your back from the dead! welcome back man, im trying to get a few people to c if they can get ne 1 to make a plugin for c3po with ingame /r command