<bookeventtype>
The <bookeventtype> element indicates the specific nature of a <bookevent>,
         such as updated, indexed, or deprecated. The required @name attribute indicates the
         event's type. 
      
      Content models
See appendix for information about this element in OASIS document type shells.
Inheritance
- topic/data bookmap/bookeventtype
Example
See the example in <bookchangehistory>.
Attributes
The following attributes are available on this element: Data element attributes group, Link relationship attribute group, Universal attribute group, and @outputclass.