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layer at (0,0) size 800x600
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    RenderBody {BODY} at (8,8) size 784x576
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          text run at (0,0) width 731: "This text should be green if the resolution scaling factor is 1.0, purple if the scaling factor is 1.5, red if the"
          text run at (0,21) width 290: "scaling factor is 2.0, and black otherwise."