daffodil-core/src/test/resources/test/BF000.xml

<root xmlns="http://www.example.org/example1" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:dfdl="http://www.ogf.org/dfdl/dfdl-1.0">
  <seq>
    <x>x0</x>
    <x>x1</x>
    <x>x2</x>
    <x>x3</x>
    <y>y0</y>
    <y>y1</y>
    <y>y2</y>
    <y>y3</y>
  </seq>
</root>