layer at (0,0) size 800x600
  LayoutView at (0,0) size 800x600
layer at (0,0) size 800x600
  LayoutBlockFlow {HTML} at (0,0) size 800x600
    LayoutBlockFlow {BODY} at (8,8) size 504x584 [border: (2px solid #000000)]
      LayoutBlockFlow {DIV} at (18,2) size 204x580 [border: (2px solid #800000)]
        LayoutBlockFlow (floating) {DIV} at (2,478) size 100x100 [bgcolor=#00FF00]
        LayoutText {#text} at (2,2) size 35x466
          text run at (2,2) width 286: "Here is some text in a vertical-rl block flow. "
          text run at (2,287) width 180: "The block direction is right-"
          text run at (20,2) width 44: "to-left."
        LayoutBR {BR} at (34,45) size 0x1
        LayoutText {#text} at (38,2) size 17x208
          text run at (38,2) width 208: "This line should also be vertical."