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          text run at (0,0) width 591: "This tests to make sure that a br isn't inserted into a tab span during an InsertLineBreak operation. "
          text run at (591,0) width 172: "You can test for its existence"
          text run at (0,20) width 357: "with the DOM inspector or you can look at the render tree."
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            text run at (32,20) width 20: "bar"
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