I'm sorry, I don't have the spec handy right now.
Are you trying to understand how @XmlElementRef work?
Yes. But also, it seems to me that the spec is garbled here.
Your use of this web site or any of its content or software indicates your agreement to be bound by these Terms of Participation.
Copyright © 2014, Oracle and/or its affiliates. All rights reserved. Oracle and Java are registered trademarks of Oracle and/or its affiliates. Other names may be trademarks of their respective owners.