Explain XML in detail.

XML (Extensible Markup Language) in Detail

XML (Extensible Markup Language) is a widely used markup language that defines rules for encoding documents in a format that is both human-readable and machine-readable. It is a flexible text format derived from SGML (Standard Generalized Markup Language) and is commonly used for data representation and exchange between different systems. XML plays a crucial role in web applications, serving as a foundation for data storage, configuration files, web services, and more.

Characteristics of XML

1. Self-Descriptive – XML documents are self-descriptive because they contain both data and metadata in the form of tags.
2. Hierarchical Structure – XML uses a tree-like structure, where elements are nested within other elements.
3. Platform-Independent – XML is platform-neutral, making it ideal for data exchange between different systems.
4. Extensible – Unlike HTML, XML allows users to create their own tags according to their needs.
5. Strict Syntax Rules – XML requires proper nesting and closure of elements, making it well-structured and error-free.
6. Supports Unicode – It supports multiple languages and character sets, making it globally applicable.
7. Readable by Both Humans and Machines – XML is designed to be easy to understand for developers while ______ _____ _____ _______ ____ ________ ____ _______ __________ ______.
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