Erik T. Ray has worked for O'Reilly and Associates as a software developer and XML specialist since 1995. He helped to establish a complete publishing solution using DocBook-XML and Perl to produce books in print, on CD-ROM, and for the new Safari web library of books. As the author of the O'Reilly best seller Learning XML and numerous articles to technical journals, Erik is known for his clear and entertaining writing style. When not hammering out code, he enjoys playing card games, reading about hemorrhagic fevers, practicing Buddhist meditation, and collecting toys. He lives in Saugus, MA with his wife Jeannine and 7 parrots. Jason McIntosh is formerly a member of the O'Reilly & Associates Tools Group, where he performed Perl and XML hacking daily, writing programs to help manage the company's bestiary of books as DocBook XML. He is currently a freelance writer/hacker, and the creator of ComicsML, an XML-based markup language for online comics.

• Preface 1. Perl and XML Why Use Perl with XML? XML Is Simple with XML::Simple XML Processors A Myriad of Modules Keep in Mind... XML Gotchas 2. An XML Recap A Brief History of XML Markup, Elements, and Structure Namespaces Spacing Entities Unicode, Character Sets, and Encodings The XML Declaration Processing Instructions and Other Markup Free-Form XML and Well-Formed Documents Declaring Elements and Attributes Schemas Transformations 3. XML Basics: Reading and Writing XML Parsers XML::Parser Stream-Based Versus Tree-Based Processing Putting Parsers to Work XML::LibXML XML::XPath Document Validation XML::Writer Character Sets and Encodings 4. Event Streams Working with Streams Events and Handlers The Parser as Commodity Stream Applications XML::PYX XML::Parser 5. SAX SAX Event Handlers DTD Handlers External Entity Resolution Drivers for Non-XML Sources A Handler Base Class XML::Handler::YAWriter as a Base Handler Class XML::SAX: The Second Generation 6. Tree Processing XML Trees XML::Simple XML::Parser's Tree Mode XML::SimpleObject XML::TreeBuilder XML::Grove 7. DOM DOM and Perl DOM Class Interface Reference XML::DOM XML::LibXML 8. Beyond Trees: XPath, XSLT, and More Tree Climbers XPath XSLT Optimized Tree Processing 9. RSS, SOAP, and Other XML Applications XML Modules XML::RSS XML Programming Tools SOAP::Lite 10. Coding Strategies Perl and XML Namespaces Subclassing Converting XML to HTML with XSLT A Comics Index Index