Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] [BFC] children: not-inline
  BlockContainer <html> at [0,0] [0+0+0 800 0+0+0] [0+0+0 16 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] [8+0+0 784 0+0+8] [8+0+0 0 0+0+8] children: inline
      BlockContainer <div#box> at [0,0] positioned [0+0+0 200 0+0+0] [0+0+0 30 30+0+0] [BFC] children: inline
        frag 0 from TextNode start: 0, length: 37, rect: [0,0 193.578125x10] baseline: 8
            "This paragraph is long enough that it"
        frag 1 from TextNode start: 38, length: 37, rect: [0,10 192.328125x10] baseline: 8
            "has to wrap onto several lines inside"
        frag 2 from TextNode start: 76, length: 21, rect: [0,20 111.390625x10] baseline: 8
            "the narrow fixed box."
        TextNode <#text> (not painted)
      TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x16]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x0]
      PaintableWithLines (BlockContainer<DIV>#box) [0,0 200x60]

SC for Viewport<#document> [0,0 800x600] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x16] (z-index: auto)
  SC for BlockContainer<DIV>#box [0,0 200x30] (z-index: auto)
