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layer at (0,0) size 800x45
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    RenderBody {BODY} at (8,14) size 784x17
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          RenderText {TEXT} at (0,0) size 278x17
            text run at (0,0) width 278: "This link should have green background."
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          text run at (278,0) width 160: " (Don't follow this link.)"
