Latest version of org.zkoss.zk:zk
https://javadoc.io/doc/org.zkoss.zk/zk
Current version 9.6.0
https://javadoc.io/doc/org.zkoss.zk/zk/9.6.0
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.zkoss.zk/zk/9.6.0/package-list