#36 What is XML?
Extensible Markup Language is a meta format.
Extensible Markup Language (XML) is a data-interchange format that can be used as a meta file format: A format for defining other file formats. Commonly used in Web services for transmitting the results of API calls, it also underlies everything from Microsoft Office's file formats to RSS, the format of podcast feeds. You use XML based file formats every day, even if you don't know it. In this episode we dive into how XML works, what it looks like, and how it's used by programmers, programs, and everyday users.
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