layer at (0,0) size 800x600
  RenderCanvas at (0,0) size 800x600
layer at (0,0) size 800x600
  RenderBlock {HTML} at (0,0) size 800x600
    RenderBody {BODY} at (8,8) size 784x584
      RenderBlock {DIV} at (0,0) size 784x246 [border: (2px solid #FF0000)]
        RenderInline {SPAN} at (0,0) size 181x137
          RenderText {TEXT} at (14,95) size 11x28
            text run at (14,95) width 11: "a"
          RenderImage {IMG} at (25,14) size 76x103
          RenderText {TEXT} at (101,95) size 46x28
            text run at (101,95) width 46: "new "
          RenderBR {BR} at (0,0) size 0x0
          RenderImage {IMG} at (14,123) size 76x103
          RenderText {TEXT} at (90,204) size 105x28
            text run at (90,204) width 105: " conceived"
        RenderText {TEXT} at (0,0) size 0x0
selection is CARET:
start:      position 0 of child 5 {IMG} of child 2 {SPAN} of root {DIV}
upstream:   position 1 of child 4 {BR} of child 2 {SPAN} of root {DIV}
downstream: position 0 of child 5 {IMG} of child 2 {SPAN} of root {DIV}