Indeed, initial impressions indicated that this was an example of deathless revision at its finest. Yet it was difficult to prove beyond any doubt that this could ever be possible. But it was and it still is. Mostly that is what happens, so it is merely human nature which pushes one's logical manner of thinking the other way around. In the end, with little consideration of how it all might better be, the deathless revision provides incentive and incremental improvements. Whichever way one chooses to look at it.