Download or read book Essential XML for Web Professionals written by Dan Livingston and published by . This book was released on 2002 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is an intermediate level book on XML that will be placed in the Essential Web Professionals series. XML is not a single, predefined markup language: it's a metalangue language for describing other languages. XML lets you define your own customized markup languages for different classes of document.