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layer at (0,0) size 800x600
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        RenderInline {SPAN} at (0,0) size 368x18
          RenderText {#text} at (0,0) size 368x18
            text run at (0,0) width 368: "This test passes if the caret is at the start of the second line."
        RenderText {#text} at (0,0) size 0x0
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        RenderText {#text} at (1,1) size 11x18
          text run at (1,1) width 7: "a"
          text run at (8,1) width 4: " "
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caret: position 2 of child 0 {#text} of child 2 {DIV} of body