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 784x200 children: inline
      frag 0 from SVGSVGBox start: 0, length: 0, rect: [8,8 200x200] baseline: 200
      SVGSVGBox <svg#a> at (8,8) content-size 200x200 [SVG] children: inline
        TextNode <#text>
        SVGSVGBox <svg#b> at (8,8) content-size 200x200 [SVG] children: inline
          TextNode <#text>
          SVGSVGBox <svg#c> at (8,8) content-size 266.671875x266.671875 [SVG] children: inline
            TextNode <#text>
            SVGGeometryBox <rect> at (34.671875,34.671875) content-size 266.671875x266.671875 children: not-inline
            TextNode <#text>
            SVGGeometryBox <rect> at (34.671875,34.671875) content-size 133.328125x133.328125 children: not-inline
            TextNode <#text>
          TextNode <#text>
        TextNode <#text>
      TextNode <#text>

ViewportPaintable (Viewport<#document>) [0,0 800x600]
  PaintableWithLines (BlockContainer<HTML>) [0,0 800x600]
    PaintableWithLines (BlockContainer<BODY>) [8,8 784x200]
      SVGSVGPaintable (SVGSVGBox<svg>#a) [8,8 200x200]
        SVGSVGPaintable (SVGSVGBox<svg>#b) [8,8 200x200]
          SVGSVGPaintable (SVGSVGBox<svg>#c) [8,8 266.671875x266.671875]
            SVGPathPaintable (SVGGeometryBox<rect>) [34.671875,34.671875 266.671875x266.671875]
            SVGPathPaintable (SVGGeometryBox<rect>) [34.671875,34.671875 133.328125x133.328125]
