1<?xml version="1.0"?> 2<doc> 3 <foo att1="c" att2="ok"> 4 <foo att1="b" att2="ok"> 5 <foo att1="a" att2="no"> 6 <baz att1="wrong"/> 7 </foo> 8 </foo> 9 <foo att1="d" att2="ok"> 10 <foo att1="b" att2="ok"> 11 <baz att1="wrong"/> 12 </foo> 13 </foo> 14 <foo att1="b" att2="no"> 15 <foo att1="ok" att2="b"> 16 <baz att1="wrong"/> 17 </foo> 18 </foo> 19 </foo> 20</doc> 21