1<element name="path" xmlns="http://relaxng.org/ns/structure/1.0"
2         datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">
3  <list>
4    <oneOrMore>
5      <data type="double"/>
6      <data type="double"/>
7    </oneOrMore>
8  </list>
9</element>
10