Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] children: not-inline
  BlockContainer <html> at [0,0] [0+0+0 800 0+0+0] [0+0+0 43 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,13] [8+0+0 784 0+0+8] [8+0+0 17 0+0+13] children: not-inline
      BlockContainer <pre> at [9,14] [0+1+0 782 0+1+0] [13+1+0 15 0+1+13] children: inline
        InlineNode <span> at [9,14] [0+0+0 6.5 0+0+0] [0+0+0 15 0+0+0]
          frag 0 from TextNode start: 0, length: 1, rect: [9,14 6.5x15] baseline: 11.390625
              " "
          TextNode <#text> (not painted)
        TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x43]
    PaintableWithLines (BlockContainer<BODY>) [8,13 784x17]
      PaintableWithLines (BlockContainer<PRE>) [8,13 784x17]
        PaintableWithLines (InlineNode<SPAN>) [9,14 6.5x15]
          TextPaintable (TextNode<#text>)

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x43] [children: 0] (z-index: auto)
