layer at (0,0) size 800x600
  LayoutView at (0,0) size 800x600
layer at (0,0) size 800x192
  LayoutBlockFlow {html} at (0,0) size 800x191.88
    LayoutBlockFlow {parsererror} at (16,16) size 768x139.88 [bgcolor=#FFDDDD] [border: (2px solid #CC7777)]
      LayoutBlockFlow {h3} at (18,20.72) size 732x23
        LayoutText {#text} at (0,0) size 324x22
          text run at (0,0) width 324: "This page contains the following errors:"
      LayoutBlockFlow {div} at (18,62.44) size 732x15
        LayoutText {#text} at (0,0) size 385x15
          text run at (0,0) width 385: "error on line 4 at column 13: Entity 'fnof' not defined"
          text run at (385,0) width 0: " "
      LayoutBlockFlow {h3} at (18,96.16) size 732x23
        LayoutText {#text} at (0,0) size 428x22
          text run at (0,0) width 428: "Below is a rendering of the page up to the first error."
    LayoutBlockFlow (anonymous) at (0,171.88) size 800x20
      LayoutInline {h1} at (0,0) size 0x0
        LayoutText {#text} at (0,0) size 0x0
      LayoutText {#text} at (0,0) size 0x0
      LayoutText {#text} at (0,0) size 0x0
      LayoutInline {p} at (0,0) size 465x19
        LayoutInline {font} at (0,0) size 465x19
          LayoutText {#text} at (0,0) size 465x19
            text run at (0,0) width 246: "This should be the only line on this page. "
            text run at (246,0) width 219: "You should see a parse error above."
      LayoutText {#text} at (0,0) size 0x0