<summary>The <summary> element contains a text summary
associated with a book event (such as <approved> or <reviewed>)
or with the list of copyrights for the book.
See appendix for information about this element in OASIS document type shells.
- topic/ph bookmap/summary
<bookchangehistory>
<edited>
<person>Joe T. Editor</person>
<revisionid>1</revisionid>
<completed><year>2008</year><month>03</month><day>15</day></completed>
<summary>Added several new topics</summary>
</edited>
<edited>
<person>Joe T. Editor</person>
<revisionid>2</revisionid>
<completed><year>2008</year><month>10</month><day>13</day></completed>
<summary>Fixed a few typos</summary>
</edited>
</bookchangehistory>The following attributes
are available on this element: Universal attribute group,
outputclass, and @keyref.