layer at (0,0) size 800x600
  LayoutView at (0,0) size 800x600
layer at (631,0) size 169x600
  LayoutBlockFlow {HTML} at (0,0) size 169x600
    LayoutBlockFlow {BODY} at (8,8) size 153x584
      LayoutText {#text} at (1,0) size 41x383
        text run at (1,0) width 383: "This is the first line of text."
      LayoutBR {BR} at (1,383) size 41x0
      LayoutImage {IMG} at (93,0) size 50x20 [bgcolor=#008000]
      LayoutText {#text} at (111,20) size 41x370
        text run at (111,20) width 370: " This is the second line of "
      LayoutImage {IMG} at (43,390) size 100x20 [bgcolor=#800080]
      LayoutText {#text} at (111,410) size 41x72
        text run at (111,410) width 72: " text."
selection start: position 1 of child 0 {#text} of body
selection end:   position 1 of child 3 {IMG} of body
