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layer at (0,0) size 800x600
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    RenderBody {BODY} at (8,8) size 784x584
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      RenderText {#text} at (0,0) size 0x0
layer at (12,11) size 145x4 scrollHeight 15
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caret: position 0 of child 0 {DIV} of {#document-fragment} of child 1 {INPUT} of body