I do see it as a bug, since there is no way to say :
Indra's Staff +2 [DMG+6]
and
Indra's Staff +2[M Acc +6]
There should really be a way to have multiple pieces of augmented gear in your inventory at the same time, there is no way to swap items in and out of your sack or satchel based on what you're looking for in your macro