XML introduction

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  • XML stands for EXtensible Markup Language
  • XML is a markup language much like HTML
  • XML was designed to describe data
  • XML nodes (tags) are not predefined. You must define your own tags
  • XML uses a Document Type Definition (DTD) or an XML Schema to describe the data
  • XML with a DTD or XML Schema is designed to be self-descriptive
  • XML is a W3C Recommendation (www.w3.org)