True, but default choice is SPAM WITH CSS REFLOWS, YAY!
EDIT: Another thing, there needs to be a font shape difference between input and output. Basically, you should be able to tell if something is input or output without looking into the arrows to the side.
EDIT: Another thing, there needs to be a font shape difference between input and output. Basically, you should be able to tell if something is input or output without looking into the arrows to the side.