What is XML?

• Extensible Markup Language is a simplified subset of Standard Generalized Markup Language.

• Tags can be arbitrarily named, and can be used to encode semantic information about enclosed data.

• Documents can be well-formed, or optionally validated against Document Type Definitions.

• XML documents can be componentized, and be distributed across networks.

• Creates a self-describing, text-based framework around text and binary data

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