Latest version of org.zkoss.zk:zul
https://javadoc.io/doc/org.zkoss.zk/zul
Current version 10.0.0-Beta
https://javadoc.io/doc/org.zkoss.zk/zul/10.0.0-Beta
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/org.zkoss.zk/zul/10.0.0-Beta/package-list