Way back in the Emerald Viewer days, like 2010, when I was only half as old as I am now… o.o Yeah, my wild and reckless youth… Emerald allowed gestures to be attached to any key. For my combat games that was a huge advantage. Well, it seems one can easily change which keys gestures can use in any viewer. This article is about how to do that.
Read the entire article and pay attention to the warning near the end.