One problem is that we can't insert a frame into the middle of the continuation chain. So if you need to split one line into two, the continuation frame for each later line N+1 becomes the continuation for line N (which requires reflow of course).
Should only be O(N) per split though.
One problem is that we can't insert a frame into the middle of the continuation chain. So if you need to split one line into two, the continuation frame for each later line N+1 becomes the continuation for line N (which requires reflow of course).
Should only be O(N) per split though.