layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x600
  RenderBlock {HTML} at (0,0) size 800x600
    RenderBody {BODY} at (8,8) size 784x576
      RenderBlock (anonymous) at (0,0) size 784x40
        RenderText {#text} at (0,0) size 232x19
          text run at (0,0) width 232: "This is a initial test for simple ruby. "
        RenderBR {BR} at (231,15) size 1x0
        RenderBR {BR} at (0,20) size 0x19
      RenderBlock {P} at (0,56) size 784x31
        RenderText {#text} at (0,11) size 164x19
          text run at (0,11) width 164: "Ruby is often used in the "
        RenderRuby (inline) {RUBY} at (0,0) size 120x19
          RenderRubyRun (anonymous) at (163,11) size 120x20
            RenderRubyText {RT} at (0,-11) size 119x12
              RenderText {#text} at (43,0) size 33x11
                text run at (43,0) width 33: "Nihongo"
            RenderRubyBase (anonymous) at (0,0) size 119x20
              RenderText {#text} at (0,0) size 119x19
                text run at (0,0) width 119: "Japanese language"
        RenderText {#text} at (282,11) size 5x19
          text run at (282,11) width 5: "."