Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x39 [BFC] children: not-inline
    BlockContainer <body> at (8,8) content-size 784x23 children: inline
      frag 0 from TextNode start: 0, length: 1, rect: [20,12 8x17] baseline: 13.296875
          " "
      frag 1 from TextNode start: 0, length: 1, rect: [41,12 8x17] baseline: 13.296875
          " "
      InlineNode <span.a>
        frag 0 from TextNode start: 0, length: 1, rect: [8,8 12.4375x22] baseline: 17.140625
            "x"
        TextNode <#text>
      TextNode <#text>
      InlineNode <span.b>
        frag 0 from TextNode start: 0, length: 1, rect: [28,8 12.734375x23] baseline: 17.796875
            "x"
        TextNode <#text>
      TextNode <#text>
      InlineNode <span.c>
        frag 0 from TextNode start: 0, length: 1, rect: [49,8 13.03125x23] baseline: 17.953125
            "x"
        TextNode <#text>
      TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x39]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x23]
      PaintableWithLines (InlineNode<SPAN>.a)
        TextPaintable (TextNode<#text>)
      TextPaintable (TextNode<#text>)
      PaintableWithLines (InlineNode<SPAN>.b)
        TextPaintable (TextNode<#text>)
      TextPaintable (TextNode<#text>)
      PaintableWithLines (InlineNode<SPAN>.c)
        TextPaintable (TextNode<#text>)
