This is also an example from Andrew May out of his tasks.zip,
<target name="versionProduction">
<pvcsversion repository="/pvcs/proj1" pvcsproject="/" label="release2" promotionGroup="Production"/></target>
In the ant-dev-mailing list you will find an extension written by Andrew May for ANTS-optional PVCS-Task. His motivation, source-code and documentation can be found here: http://marc.theaimsgroup.com/?l=ant-dev&m=99667939904467&w=2