Smiley abbreviation, common in DotA map from Warcraft 3 TFT. Its the shortest form of a full :-) smiley, just showing the mouth. Together with the : after the name of the chatter it is an entire : ) smily, showing happyness. Not used in Text, the entire message just consists of a ). See also (
<after killing a Hero but still in battle>
i> is a saluting person (a bit similar to :>, but clearer, as :> is mostly used as a smily). The i is the body of a stick figure with a head over it, the > is the arm.
Whenn someone does a good job for the team, you might say:
$YourNic: well done i>