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+0 100 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,8] [8+0+0 784 0+0+8] [8+0+0 84 0+0+8] children: not-inline
      BlockContainer <(anonymous)> at [8,8] [0+0+0 784 0+0+0] [0+0+0 16 0+0+0] children: inline
        InlineNode <span.a> at [10,8] [0+2+0 86.953125 0+2+0] [0+2+0 16 0+2+0]
          InlineNode <span.b> at [40,8] [0+0+30 26.953125 30+0+0] [0+0+0 16 0+0+0]
            frag 0 from TextNode start: 0, length: 3, rect: [40,8 26.953125x16] baseline: 12.796875
                "whf"
            TextNode <#text> (not painted)
        TextNode <#text> (not painted)
      BlockContainer <hr> at [9,33] [0+1+0 782 0+1+0] [8+1+0 0 0+1+8] [BFC] children: not-inline
      BlockContainer <(anonymous)> at [8,42] [0+0+0 784 0+0+0] [0+0+0 16 0+0+0] children: inline
        TextNode <#text> (not painted)
        InlineNode <span.a> at [10,42] [0+2+0 190.109375 0+2+0] [0+2+0 16 0+2+0]
          InlineNode <span.b> at [40,42] [0+0+30 130.109375 30+0+0] [0+0+0 16 0+0+0]
            frag 0 from TextNode start: 0, length: 2, rect: [40,42 20.515625x16] baseline: 12.796875
                "wh"
            frag 1 from TextNode start: 0, length: 1, rect: [163.671875,42 6.4375x16] baseline: 12.796875
                "f"
            TextNode <#text> (not painted)
            InlineNode <span.b> at [90.515625,42] [0+0+30 43.15625 30+0+0] [0+0+0 16 0+0+0]
              frag 0 from TextNode start: 0, length: 5, rect: [90.515625,42 43.15625x16] baseline: 12.796875
                  " foo "
              TextNode <#text> (not painted)
            TextNode <#text> (not painted)
        TextNode <#text> (not painted)
      BlockContainer <hr> at [9,67] [0+1+0 782 0+1+0] [8+1+0 0 0+1+8] [BFC] children: not-inline
      BlockContainer <(anonymous)> at [8,76] [0+0+0 784 0+0+0] [0+0+0 16 0+0+0] children: inline
        TextNode <#text> (not painted)
        InlineNode <span.a> at [10,76] [0+2+0 26.953125 0+2+0] [0+2+0 16 0+2+0]
          InlineNode <span.c> at [10,76] [0+0+0 26.953125 0+0+0] [0+0+30 16 30+0+0]
            frag 0 from TextNode start: 0, length: 3, rect: [10,76 26.953125x16] baseline: 12.796875
                "whf"
            TextNode <#text> (not painted)
        TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x100]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x84]
      PaintableWithLines (BlockContainer(anonymous)) [8,8 784x16]
        InlinePaintable (InlineNode<SPAN>.a) [8,6 90.953125x20]
          InlinePaintable (InlineNode<SPAN>.b) [10,8 86.953125x16]
      PaintableWithLines (BlockContainer<HR>) [8,32 784x2]
      PaintableWithLines (BlockContainer(anonymous)) [8,42 784x16]
        InlinePaintable (InlineNode<SPAN>.a) [8,40 194.109375x20]
          InlinePaintable (InlineNode<SPAN>.b) [10,42 190.109375x16]
            InlinePaintable (InlineNode<SPAN>.b) [60.515625,42 103.15625x16]
      PaintableWithLines (BlockContainer<HR>) [8,66 784x2]
      PaintableWithLines (BlockContainer(anonymous)) [8,76 784x16]
        InlinePaintable (InlineNode<SPAN>.a) [8,74 30.953125x20]
          InlinePaintable (InlineNode<SPAN>.c) [10,46 26.953125x76]

SC for Viewport<#document> [0,0 800x600] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x100] (z-index: auto)
