
Appendix A
Extensible Markup Language XML
The Extensible Markup Language XML is a fundamental data format for the
World Wide Web which is widely in use. It is recommended by the World
Wide Web Consortium (W3C) for data exchange and electronic publishing.
In this appendix we briefly review those parts of the XML specification which
we need in this book, and a little bit more in order to convey an intuition
about XML. It is not a complete introduction: For an in-depth study, se e the
documents provided by the W3C,
1
or any of the numerous books on XML
and XML Schema which you can find in your bookshop or your library.
A.1 XML in a Nutshell
XML is a markup language. ...