... Also, with C-stick set to tilt, mashing diagonal-right with Marth (ain't confirmed it with anyone else, too lazy) while in the air can result in him usin' his double jump prior to usin' a U-air. wtfglitch?
I tried this before and that is exactly the reason I don't use it. It does it for all characters
It is a particular angle that the c-stick is in that causes it if I remember correctly