Metasyntactic Variable: Difference between revisions
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In computing and technology contexts, these words are commonly found in source code and are intended to be modified or substituted before real-world usage. The words '''foo''' and '''bar''' are good examples as they are used in over 330 [[w:Internet Engineering Task Force|Internet Engineering Task Force]] [[w:Request for Comments|Requests for Comments]], the documents which define foundational internet technologies like HTTP (websites), TCP/IP, and email protocols. Metasyntactic variables are used to name entities such as variables, functions, and commands whose exact identity is unimportant and serve only to demonstrate a concept, which is useful for teaching programming. A short examination of Metasyntactic Variables as used in computing can be found [https://blog.codinghorror.com/variable-foo-and-other-programming-oddities/ at the ''Coding Horror'' blog].
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