<published>The <published> element contains information about
the person or organization publishing the book, the dates when it
was started and completed, and any special restrictions associated
with it.
See appendix for information about this element in OASIS document type shells.
- topic/data bookmap/published
See the example in publisherinformation.
The following attributes are available on this element: Data element attributes group, Link relationship attribute group, Universal attribute group, and outputclass.