XML
Wed, Oct 15, 2003; by Geoffrey Wirth.
eXtensible Markup Language
XML Definition:
eXtensible Markup Language (XML) is a simple, very flexible text format derived from "SGML" (ISO 8879). Originally designed to meet the challenges of large-scale electronic publishing, XML is also playing an increasingly important role in the exchange of a wide variety of data on the Web and elsewhere.
XML is a markup language much like HTML. XML was designed to describe data. XML 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.
The main difference between XML and HTML:
XML was designed to carry data. XML is not a replacement for HTML.
XML and HTML were designed with different goals:
XML was designed to describe data and to focus on what data is. HTML was designed to display data and to focus on how data looks. HTML is about displaying information, while XML is about describing information.
XML is the basis of many other communication formats such as RDF and RSS
XML Tutorials:
W3schools offers an XML tutorial" with examples, code checker and more.
XML Articles:
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XML Tools:
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source= http://www.w3.org/XML/
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