$Revision$
$Date$
copyright — Copyright information about a document
               The Copyright element holds information about the 
               date(s) and holder(s) of a document copyright.  If an extended 
               block of text describing the copyright or other legal status
               is required, use LegalNotice.
               
            
               The Copyright element is confined to meta-information.
               For copyright statements in running text, see Trademark.
               
            
May be formatted inline or as a displayed block, depending on context. Sometimes suppressed.
A displayed copyright notice usually includes the copyright symbol, ©, as generated text and is formatted with commas separating multiple years. Additional generated text, such as the legend “All rights reserved,” may also be generated.
These elements contain copyright:
                  appendixinfo, articleinfo, biblioentry, bibliographyinfo, bibliomixed, bibliomset, biblioset, blockinfo, bookinfo, chapterinfo, glossaryinfo, indexinfo, objectinfo, partinfo, prefaceinfo, refentryinfo, referenceinfo, refsect1info, refsect2info, refsect3info, refsectioninfo, refsynopsisdivinfo, sect1info, sect2info, sect3info, sect4info, sect5info, sectioninfo, setindexinfo, setinfo, sidebarinfo.
               
<!DOCTYPE copyright PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
          "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
<copyright>
  <year>1996</year>
  <year>1997</year>
  <holder>O'Reilly & Associates, Inc.</holder>
</copyright>For additional examples, see also
               bibliography, biblioset, bookinfo.