layer at (0,0) size 800x600
  RenderCanvas at (0,0) size 800x600
layer at (0,0) size 800x122
  RenderBlock {HTML} at (0,0) size 800x122
    RenderBody {BODY} at (8,8) size 784x106
      RenderBlock (anonymous) at (0,0) size 784x18
        RenderInline {DIV} at (0,0) size 528x16 [color=#FFFFFF] [bgcolor=#FF0000]
          RenderText {TEXT} at (0,1) size 528x16
            text run at (0,1) width 528: "Ahem_font_required_for_this_test."
        RenderText {TEXT} at (0,0) size 0x0
      RenderBlock {P} at (0,34) size 784x18
        RenderText {TEXT} at (0,0) size 193x18
          text run at (0,0) width 193: "There should be no red below."
      RenderBlock {DIV} at (0,68) size 86x38 [bgcolor=#FF0000] [border: (3px solid #000000)]
        RenderBlock {P} at (3,3) size 80x0 [color=#00FF00]
          RenderText {TEXT} at (0,0) size 80x16
            text run at (0,0) width 80: "XXXXX"
        RenderBlock {P} at (3,19) size 80x16 [bgcolor=#00FF00]