1<doc xml:base="one/two"> 2 <elem xml:base="http://example.org/one/two"> 3 http://example.org/one/two 4 </elem> 5 <elem xml:base="two2"> 6 ents/one/two2 7 </elem> 8 <elem xml:base="../one2/two"> 9 ents/one2/two 10 </elem> 11 <elem xml:base="../../../docs/one/two/three/four"> 12 docs/one/two/three/four 13 </elem> 14</doc> 15