Viewport <#document> at (0,0) content-size 800x600 children: not-inline
  BlockContainer <html> at (0,0) content-size 800x600 [BFC] children: not-inline
    BlockContainer <body> at (8,8) content-size 784x35.40625 children: inline
      line 0 width: 6.34375, height: 17.46875, bottom: 17.46875, baseline: 13.53125
        frag 0 from TextNode start: 0, length: 1, rect: [108,8 6.34375x17.46875]
          "1"
      line 1 width: 8.8125, height: 17.9375, bottom: 35.40625, baseline: 13.53125
        frag 0 from TextNode start: 0, length: 1, rect: [108,25 8.8125x17.46875]
          "2"
      BlockContainer <span.a> at (8,8) content-size 100x17.46875 floating [BFC] children: inline
        line 0 width: 14.265625, height: 17.46875, bottom: 17.46875, baseline: 13.53125
          frag 0 from TextNode start: 0, length: 1, rect: [8,8 14.265625x17.46875]
            "A"
        TextNode <#text>
      InlineNode <span>
        TextNode <#text>
      TextNode <#text>
      BreakNode <br>
      TextNode <#text>
      BlockContainer <span.a> at (8,25.46875) content-size 100x17.46875 floating [BFC] children: inline
        line 0 width: 9.34375, height: 17.46875, bottom: 17.46875, baseline: 13.53125
          frag 0 from TextNode start: 0, length: 1, rect: [8,25.46875 9.34375x17.46875]
            "B"
        TextNode <#text>
      InlineNode <span>
        TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x600]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x35.40625]
      PaintableWithLines (BlockContainer<SPAN>.a) [8,8 100x17.46875]
        TextPaintable (TextNode<#text>)
      InlinePaintable (InlineNode<SPAN>)
        TextPaintable (TextNode<#text>)
      PaintableWithLines (BlockContainer<SPAN>.a) [8,25.46875 100x17.46875]
        TextPaintable (TextNode<#text>)
      InlinePaintable (InlineNode<SPAN>)
        TextPaintable (TextNode<#text>)
