tests/conf/position/position102.xml

<?xml version="1.0"?>
<doc>
  <a mark="a1"/>
  <b mark="b1"/>
  <c mark="c1"/>
  <c mark="c2"/>
  <a mark="a2"/>
  <a mark="a3"/>
  <b mark="b2"/>
  <c mark="c3"/>
  <b mark="b3"/>
</doc>