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layer at (0,0) size 800x600
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        RenderText {#text} at (0,0) size 188x15
          text run at (0,0) width 188: "This text should be Arial bold."
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        RenderInline {SPAN} at (0,0) size 192x15
          RenderInline {DIV} at (0,0) size 192x15
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              text run at (188,0) width 192: " This text should be Arial bold."
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caret: position 32 of child 0 {#text} of child 0 {DIV} of child 1 {SPAN} of child 0 {SPAN} of child 0 {BODY} of child 0 {HTML} of document
