ay/saxon/index.html">SAXON from Michael Kay</a> (version 6.4.2)</li><li><a href="http://xml.apache.org/xalan-j">Xalan-J from Apache</a> (version 2.4.D1)</li><li><a href="http://4Suite.org">4XSLT, from 4Suite.</a> (version 0.12.0a3)</li><li><a href="http://xmlsoft.org/XSLT/">libxslt from Daniel Veillard et al.</a> (version 1.0.19)</li></ul><p>
                  Implementations of <code>date:year</code> are available in the following languages:
               </p><ul><li><a href="date.year.function.xsl">EXSLT