layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x50
  RenderBlock {test} at (0,0) size 800x50
    RenderBlock {p} at (0,16) size 800x18
      RenderInline {a} at (0,0) size 258x18 [color=#0000EE] [bgcolor=#00FF00]
        RenderText {#text} at (0,0) size 258x18
          text run at (0,0) width 258: "This link should have green background."
      RenderText {#text} at (258,0) size 152x18
        text run at (258,0) width 152: " (Don't follow this link.)"