layer at (0,0) size 800x600
  RenderView 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 {P} at (0,0) size 784x18
        RenderInline {A} at (0,0) size 149x18 [color=#0000EE]
          RenderText {#text} at (0,0) size 149x18
            text run at (0,0) width 149: "rdar://problem/6983207"
        RenderText {#text} at (149,0) size 396x18
          text run at (149,0) width 396: "Should not leave blue box behind after moving to the top right."
layer at (8,42) size 502x102
  RenderBlock (relative positioned) {DIV} at (0,34) size 502x102 [border: (1px solid #000000)]
layer at (259,43) size 250x100
  RenderBlock (positioned) {DIV} at (251,1) size 250x100 [bgcolor=#0000FF]
layer at (9,43) size 50x50
  RenderBlock (positioned) {DIV} at (1,1) size 50x50 [bgcolor=#000000]