layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 167x600
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    RenderBody {BODY} at (8,8) size 151x584
      RenderText {#text} at (1,0) size 40x391
        text run at (1,0) width 391: "This is the first line of text."
      RenderBR {BR} at (1,391) size 40x0
      RenderImage {IMG} at (50,0) size 50x20 [bgcolor=#008000]
      RenderText {#text} at (42,20) size 40x379
        text run at (42,20) width 379: " This is the second line of "
      RenderImage {IMG} at (50,399) size 100x20 [bgcolor=#800080]
      RenderText {#text} at (42,419) size 40x72
        text run at (42,419) width 72: " text."
caret: position 1 of child 0 {#text} of body