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layer at (0,0) size 800x116
  RenderBlock {HTML} at (0,0) size 800x116
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      RenderBlock (anonymous) at (0,0) size 784x19
        RenderInline {DIV} at (0,0) size 462x16 [color=#FFFFFF] [bgcolor=#FF0000]
          RenderText {#text} at (0,2) size 462x16
            text run at (0,2) width 462: "Ahem_font_required_for_this_test."
        RenderText {#text} at (0,0) size 0x0
      RenderBlock {P} at (0,33) size 784x19
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          text run at (0,0) width 194: "There should be no red below."
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            text run at (0,-1) width 70: "XXXXX"
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