<dependency>
<groupId>org.xwiki.rendering</groupId>
<artifactId>xwiki-rendering-syntax-xwiki21</artifactId>
<version>15.6</version>
</dependency>
@Grapes(
@Grab(group='org.xwiki.rendering', module='xwiki-rendering-syntax-xwiki21', version='15.6')
)
<dependency org="org.xwiki.rendering" name="xwiki-rendering-syntax-xwiki21" rev="15.6" />