--- /dev/null
+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 784x584
+ RenderBlock (floating) {DIV} at (0,0) size 50x400 [bgcolor=#008000]
+ RenderFieldSet {FIELDSET} at (50,0) size 730x53 [border: (2px groove #C0C0C0)]
+ RenderLegend {LEGEND} at (14,0) size 80x18
+ RenderText {#text} at (2,0) size 76x18
+ text run at (2,0) width 76: "Hello world"
+ RenderBlock (anonymous) at (14,23) size 702x18
+ RenderText {#text} at (0,0) size 139x18
+ text run at (0,0) width 139: "Some fieldset content."