Peter Ring wrote: > > DocBook 4.2 is a bit easier to customize for certain purposes. > The parameter entities that are used for local costumization has > been cleaned up a bit. For me this meant that adding an XInclude > element at appropriate places were much easier. > > BTW, don't assume that higher version number implies bigger > or more complex DTD. The complete list of changes since 4.1.2 > is here > > > http://www.oasis-open.org/committees/docbook/specs/cs-docbook-docbook-4.2.ht > ml > > In many ways just a bug-fix release. The most interesting > addition, IMHO, is better support for metadata, > > http://lists.oasis-open.org/archives/docbook-tc/200202/msg00005.html > > And if you are interested in RELAX NG and W3C XML Schema, > experimental versions are now available for DocBook 4.2: > > http://www.oasis-open.org/committees/docbook/relaxng/1.0a1/index.shtml > http://www.oasis-open.org/committees/docbook/xmlschema/1.0b1/index.shtml
Thanks for this summary and for the pointers.

