Update doc book reference page
<?xml version='1.0' encoding="UTF-8"?>
<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
<!ENTITY versionNumber "4.4.0">
- <!ENTITY copyrightYear "2007-2016">
+ <!ENTITY copyrightYear "2007-2020">
<!ENTITY copyrightHolder "The Querydsl Team">
]>
<book xmlns:xi="http://www.w3.org/2001/XInclude">
<firstname>Robert</firstname>
<surname>Bain</surname>
</author>
+ <author>
+ <firstname>Ido</firstname>
+ <surname>Salomon</surname>
+ </author>
+ <author>
+ <firstname>Jan-Willem</firstname>
+ <surname>Gmelig Meyling</surname>
+ </author>
</authorgroup>
<mediaobject>
<imageobject role="fo">
