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layer at (0,0) size 800x600
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    RenderBody {BODY} at (8,8) size 784x576
      RenderBlock {P} at (0,0) size 784x36
        RenderText {#text} at (0,0) size 780x36
          text run at (0,0) width 321: "This tests that edited whitespaces aren't all nbsps. "
          text run at (320,0) width 460: "When the region becomes non-editable, Hello and World should still be"
          text run at (0,18) width 118: "on different lines. "
          text run at (117,18) width 594: "This demonstrates a bug: the div's focus halo doesn't go away when it becomes non-editable."
      RenderBlock {DIV} at (0,52) size 62x38 [border: (1px solid #000000)]
        RenderText {#text} at (1,1) size 56x36
          text run at (1,1) width 56: " Hello    "
          text run at (1,19) width 44: "World "
      RenderBlock {OL} at (0,106) size 784x0
caret: position 17 of child 0 {#text} of child 2 {DIV} of body