'org.zkoss.calendar:calendar:2.1.0'
<dependency>
<groupId>org.zkoss.calendar</groupId>
<artifactId>calendar</artifactId>
<version>2.1.0</version>
</dependency>
<dependency org="org.zkoss.calendar" name="calendar" rev="2.1.0"/>
"org.zkoss.calendar", "calendar", "2.1.0"