layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x600
  RenderBlock {HTML} at (0,0) size 800x600
    RenderBody {BODY} at (8,8) size 784x584
      RenderBlock {P} at (0,0) size 784x18
        RenderText {#text} at (0,0) size 54x18
          text run at (0,0) width 54: "Test for "
        RenderInline {A} at (0,0) size 61x18 [color=#0000EE]
          RenderText {#text} at (53,0) size 61x18
            text run at (53,0) width 61: "bug 3438"
        RenderText {#text} at (113,0) size 205x18
          text run at (113,0) width 205: ": rendering of 1x1 PNG images."
      RenderBlock {P} at (0,34) size 784x18
        RenderText {#text} at (0,0) size 288x18
          text run at (0,0) width 288: "The two squares should have the same color:"
      RenderBlock (anonymous) at (0,68) size 784x54
        RenderImage {IMG} at (0,0) size 50x50
        RenderText {#text} at (50,36) size 4x18
          text run at (50,36) width 4: " "
        RenderImage {IMG} at (54,0) size 50x50
        RenderText {#text} at (0,0) size 0x0