Viewport <#document> at (0,0) content-size 800x600 children: not-inline
BlockContainer <html> at (0,0) content-size 800x33 [BFC] children: not-inline
BlockContainer <body> at (8,8) content-size 784x17 children: not-inline
Box <div.grid> at (8,8) content-size 784x17 [GFC] children: not-inline
BlockContainer <div> at (8,8) content-size 367x17 [BFC] children: inline
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"a"
TextNode <#text>
BlockContainer <div> at (425,8) content-size 367x17 [BFC] children: inline
frag 0 from TextNode start: 0, length: 1, rect: [425,8 9.46875x17] baseline: 13.296875
"b"
TextNode <#text>
ViewportPaintable (Viewport<#document>) [0,0 800x600]
PaintableWithLines (BlockContainer<HTML>) [0,0 800x33]
PaintableWithLines (BlockContainer<BODY>) [8,8 784x17]
PaintableBox (Box<DIV>.grid) [8,8 784x17]
PaintableWithLines (BlockContainer<DIV>) [8,8 367x17]
TextPaintable (TextNode<#text>)
PaintableWithLines (BlockContainer<DIV>) [425,8 367x17]
TextPaintable (TextNode<#text>)