layer at (0,0) size 800x600
  RenderCanvas at (0,0) size 800x600
layer at (0,0) size 800x600
  RenderBlock {HTML} at (0,0) size 800x600
    RenderBody {BODY} at (8,8) size 784x568
      RenderBlock (anonymous) at (0,0) size 784x56
        RenderText {TEXT} at (0,0) size 748x56
          text run at (0,0) width 748: "Test inserting paragraphs: should see an empty blue box above an empty line"
          text run at (0,28) width 237: "between \"foo\" and \"bar\""
      RenderBlock {DIV} at (0,56) size 784x36
      RenderBlock {P} at (0,116) size 784x56 [border: (2px solid #FF0000)]
        RenderText {TEXT} at (14,14) size 32x28
          text run at (14,14) width 32: "foo"
      RenderBlock {DIV} at (0,196) size 784x56 [border: (2px solid #0000FF)]
        RenderBR {BR} at (14,14) size 0x28
      RenderBlock (anonymous) at (0,252) size 784x28
        RenderBR {BR} at (0,0) size 0x28
      RenderBlock {P} at (0,304) size 784x56 [border: (2px solid #FF0000)]
        RenderText {TEXT} at (14,14) size 31x28
          text run at (14,14) width 31: "bar"
selection is CARET:
start:      position 0 of child 6 {BR} of root {BODY}
upstream:   position 0 of child 6 {BR} of root {BODY}
downstream: position 0 of child 6 {BR} of root {BODY}
