> a de novo solution will necessarily need similar levels of work to get to a similar point That work does not need to be directly in the second system. If the

> a de novo solution will necessarily need similar levels of work to get to a similar point That work does not need to be directly in the second system. If the hard lessoned were learned in X by making mistakes much effort can be prevented by not making those mistakes and use something closer to the finished design of the first system... which is exactly what Wayland is.