layer at (0,0) size 812x585
  RenderCanvas at (0,0) size 800x585
layer at (0,0) size 812x585
  RenderBlock {HTML} at (0,0) size 800x585
    RenderBody {BODY} at (64,64) size 748x457 [border: (50px solid #FF0000)]
      RenderBlock {DIV} at (74,74) size 600x0
      RenderBlock (anonymous) at (74,74) size 600x48
        RenderText {TEXT} at (0,10) size 54x48
          text run at (0,10) width 54: "Hello"
      RenderTable {TABLE} at (74,122) size 6x6
        RenderTableSection {TBODY} at (0,0) size 0x6
          RenderTableRow {TR} at (0,0) size 0x0
            RenderTableCell {TD} at (2,2) size 2x2 [r=0 c=0 rs=1 cs=1]
      RenderBlock (anonymous) at (74,128) size 600x48
        RenderBR {BR} at (0,10) size 0x48
selection is RANGE:
start:      position 1 of child 2 {TEXT} of root {BODY}
upstream:   position 0 of child 2 {TEXT} of root {BODY}
downstream: position 1 of child 2 {TEXT} of root {BODY}
end:        position 0 of child 4 {TEXT} of root {BODY}
upstream:   position 0 of child 4 {TEXT} of root {BODY}
downstream: position 0 of child 5 {BR} of root {BODY}