<?xml version="1.0" encoding="UTF-8"?>
<eml:eml packageId="test.1.4" system="KNB" 
         xmlns:eml="eml://ecoinformatics.org/eml-2.1.1" 
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
         xsi:schemaLocation="eml://ecoinformatics.org/eml-2.1.1 eml.xsd">
  <dataset id="a">
    <title>Sample datset Description</title>
    <creator id="23445" scope="document">
      <individualName>
        <surName>Smith</surName>
      </individualName>
    </creator>
    <contact id="b">
      <individualName>
        <surName>Johnson</surName>
      </individualName>
    </contact>
    <!-- this file is invalid because contact has both an id and a reference -->
    <contact id="c">
      <references>23445</references>
    </contact>
  </dataset>
</eml:eml>