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 784x578
      RenderBlock {DIV} at (0,0) size 784x0
        RenderInline {SPAN} at (0,0) size 0x0
        RenderInline {SPAN} at (0,0) size 0x0
        RenderInline {SPAN} at (0,0) size 0x0
        RenderInline {SPAN} at (0,0) size 0x0
        RenderInline {SPAN} at (0,0) size 0x0
        RenderInline {SPAN} at (0,0) size 0x0
        RenderInline {SPAN} at (0,0) size 0x0
        RenderInline {SPAN} at (0,0) size 0x0
        RenderText {TEXT} at (0,0) size 0x0
      RenderBlock {DIV} at (0,0) size 784x76
        RenderBlock {P} at (0,0) size 784x16
          RenderInline {B} at (0,0) size 272x16
            RenderText {TEXT} at (0,0) size 272x16
              text run at (0,0) width 272: "Expect ref node 'D'; pointer after"
          RenderText {TEXT} at (272,0) size 184x16
            text run at (272,0) width 184: ": A B C [D] * E F G H I"
        RenderBlock {P} at (0,30) size 784x16
          RenderText {TEXT} at (0,0) size 120x16
            text run at (0,0) width 120: "remove node 'D'"
        RenderBlock {P} at (0,60) size 784x16
          RenderInline {B} at (0,0) size 272x16
            RenderText {TEXT} at (0,0) size 272x16
              text run at (0,0) width 272: "Expect ref node 'C'; pointer after"
          RenderText {TEXT} at (272,0) size 168x16
            text run at (272,0) width 168: ": A B [C] * E F G H I"