The articleinfo, bookinfo, etc. elements
have all been renamed info.
The collabname, corpauthor,
corpcredit, and corpname elements have all been
replaced by orgname and updated content models for
author, editor, and othercredit.
The graphic, graphicco,
inlinegraphic, and mediaobjectco elements have
been removed in favor of mediaobject and
inlinemediaobject.
The isbn, issn, and pubsnumber
elements have all been replaced by biblioid.
The ulink tag has been replaced by ubiquitous
linking (linkend or
xlink:href on link).
The sgmltag element has been replaced by
tag.
The following elements have been removed:
action, beginpage, highlights, interface, invpartnumber, medialabel, modespec, structfield, structname.
HTML and CALS tables are now interpreted correctly