1 layer at (0,0) size 800x600
2 RenderCanvas at (0,0) size 800x600
3 layer at (0,0) size 800x600
4 RenderBlock {HTML} at (0,0) size 800x600
5 RenderBody {BODY} at (8,8) size 784x584
6 RenderBlock {DIV} at (0,0) size 784x56 [border: (2px solid #FF0000)]
7 RenderInline {SPAN} at (0,0) size 56x28
8 RenderText {TEXT} at (14,14) size 56x28
9 text run at (14,14) width 56: " foo"
10 RenderText {TEXT} at (0,0) size 0x0
12 start: position 4 of child 1 {TEXT} of child 1 {SPAN} of root {DIV}
13 upstream: position 4 of child 1 {TEXT} of child 1 {SPAN} of root {DIV}
14 downstream: position 4 of child 1 {TEXT} of child 1 {SPAN} of root {DIV}