libopc/third_party/libxml2-2.7.7/test/relaxng/tutor7_1.rng

<element name="vector" xmlns="http://relaxng.org/ns/structure/1.0"
         datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">
  <list>
    <data type="float"/>
    <data type="float"/>
  </list>
</element>