This book is for serious software developers who are comfortable with technical terms. Right from the start, address book XML as data format and not the mechanism of presentation. It is the belief of the author who handcoding XML by humans will disappear as XML becomes more low-level standard for providing communication between applications. The whole book revolves around the XML Information Set (InfoSet), an XML specification that the authors think underexamined by lovers of XML mostly. In a discussion of XML as an improvement over the standard component model, the authors stated that, "as the software industry looks to XML as a solution to all problems short world hunger, there is a tendency to reinvent the automobile and highway system in the process of reinventing the wheel . 'Casual XML implementers should seek guidance introduction, but the developer tools will find this title quite insightful in their charted course XML. Plain Topics covered: XML Information Set (InfoSet) Simple API for XML Version 2 (SAX2) Document Object Model Level 2 (DOML2) Apache Xerces XML XPath Xpointer Xinclude xbase Microsoft XML Schemas XSLT XML as a technology-integration software