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XML - Source and Code System
Extensible Markup Language (XML) is a set of rules for encoding documents in machine-readable form. It is defined in the XML 1.0 Specificationproduced by the W3C, and several other related specifications, all gratis open standards. XML’s design goals emphasize simplicity, generality, and usability over the Internet. It is a textual data format with strong support via Unicode for the languages of