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 32 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] [8+0+0 784 0+0+8] [8+0+0 16 0+0+8] children: inline
      InlineNode <pre> at [9,10] [0+1+0 16.15625 0+1+0] [13+1+0 13 0+1+13]
        frag 0 from TextNode start: 0, length: 3, rect: [9,10 16.15625x13] baseline: 10.390625
            " | "
        TextNode <#text> (not painted)
      TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x32]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x16]
      InlinePaintable (InlineNode<PRE>) [8,9 18.15625x15]

SC for Viewport<#document> [0,0 800x600] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x32] (z-index: auto)
