Latest version of org.zkoss.zk:zk
https://javadoc.io/doc/org.zkoss.zk/zk
Current version 6.0.1
https://javadoc.io/doc/org.zkoss.zk/zk/6.0.1
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.zkoss.zk/zk/6.0.1/package-list