Question

What is markup language and why XML comes under this category ?

Answer 1

markup language is a computer language that uses tags to define elements present within tags.

Since XML(Extensible Markup Language) can be used to make wide variety of document types.

Answer 2

Extensible Markup Language (XML) is a simple, very flexible text format derived from SGML (ISO 8879). XML documents fall into two broad categories: data-centric and document-centric. Data-centric documents are those where XML is used as a data transport.

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