diff -u plugin.old plugin.jelly
— plugin.old
+++ plugin.jelly
@@ -367,5 +367,16 @@
<attainGoal name="multiproject:goal"/>

</goal>
+
+ <!-==================================================================->
+ <!-- Deploy site documentation -->
+ <!-==================================================================->
+ <goal name="multiproject:site-deploy"
+ prereqs="multiproject:site"
+ description="Deploy site documentation" >
+
+ <attainGoal name="site:${maven.site.deploy.method}deploy"/>
+
+ </goal>

</project>