Introduction
Welcome to XPath, the XML-related specification that lets you locate data in XML documents. XPath is becoming more and more important as XML develops, and there's more need to work with the data in XML documents in detailed ways.
In this book, we're going to examine both XPath 1.0 and 2.0 to see what makes them tick, and we're going to emphasize seeing everything at work in dozens of examples.
What's in This Book?
This book is intended to cover all of XPath 1.0 and the current working draft of XPath 2.0. XPath 1.0 is an established recommendation from the World Wide Web Consortium (W3C), and as of this writing, XPath 2.0 is in W3C working draft form. We're going to work from the most basic to the fairly advanced in both these specifications. ...
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