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  RenderView at (0,0) size 800x600
layer at (0,0) size 800x34
  RenderBlock {html} at (0,0) size 800x34
    RenderBody {body} at (8,8) size 784x18
      RenderInline {testA} at (0,0) size 510x17 [bgcolor=#00FF00]
        RenderText {#text} at (0,0) size 510x17
          text run at (0,0) width 510: "This paragraph has no declared namespace and should have a green background."
      RenderText {#text} at (0,0) size 0x0