1<?xml version="1.0"?>
2<grammar xmlns="http://relaxng.org/ns/structure/1.0"
3datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">
4  <start>
5    <element name="test">
6    <data type="token">
7    <param name="pattern">[a-z]+</param>
8    </data>
9    </element>
10  </start>
11</grammar>
12