Latest version of org.zkoss.zk:zk
https://javadoc.io/doc/org.zkoss.zk/zk
Current version 8.0.0-RC
https://javadoc.io/doc/org.zkoss.zk/zk/8.0.0-RC
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.zkoss.zk/zk/8.0.0-RC/package-list