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 79.875 0+0+0] [BFC] children: not-inline
    BlockContainer <body> at [8,21.4375] [8+0+0 784 0+0+8] [8+0+0 37 0+0+21.4375] children: not-inline
      BlockContainer <(anonymous)> at [8,21.4375] [0+0+0 784 0+0+0] [0+0+0 0 0+0+0] children: inline
        InlineNode <a> at [8,21.4375] [0+0+0 0 0+0+0] [0+0+0 18 0+0+0]
          InlineNode <span#foo> at [8,21.4375] [0+0+0 0 0+0+0] [0+0+0 18 0+0+0]
      BlockContainer <(anonymous)> at [8,21.4375] [0+0+0 784 0+0+0] [0+0+0 37 0+0+0] children: not-inline continuation
        BlockContainer <h1> at [8,21.4375] [0+0+0 784 0+0+0] [21.4375+0+0 37 0+0+21.4375] children: inline
          frag 0 from TextNode start: 0, length: 4, rect: [8,21.4375 63.5625x37] baseline: 28.09375
              "test"
          TextNode <#text> (not painted)
      BlockContainer <(anonymous)> at [8,79.875] [0+0+0 784 0+0+0] [0+0+0 0 0+0+0] children: inline
        InlineNode <a> at [8,79.875] [0+0+0 0 0+0+0] [0+0+0 18 0+0+0] continuation
          TextNode <#text> (not painted)

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x79.875]
    PaintableWithLines (BlockContainer<BODY>) [8,21.4375 784x37]
      PaintableWithLines (BlockContainer(anonymous)) [8,21.4375 784x0]
        PaintableWithLines (InlineNode<A>) [8,21.4375 0x18]
          PaintableWithLines (InlineNode<SPAN>#foo) [8,21.4375 0x18]
      PaintableWithLines (BlockContainer(anonymous)) [8,21.4375 784x37]
        PaintableWithLines (BlockContainer<H1>) [8,21.4375 784x37]
          TextPaintable (TextNode<#text>)
      PaintableWithLines (BlockContainer(anonymous)) [8,79.875 784x0]
        PaintableWithLines (InlineNode<A>) [8,79.875 0x18]

SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto)
 SC for BlockContainer<HTML> [0,0 800x79.875] [children: 0] (z-index: auto)
