The problem with this is: 1. It's relatively hard to think it through to the point that you see and have the potential benefits in all cases(*). 2. All partici

The problem with this is: 1. It's relatively hard to think it through to the point that you see and have the potential benefits in all cases(*). 2. All participants and tools must fully support the solution. It needs a momentum it never got so the world settled on a simpler solution. (*) Tabs only and no hard wraps, only soft wraps.