Media Type Specifications and Registration Procedures
= Media Type Specifications and Registration Procedures
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https://www.rfc-editor.org/rfc/rfc6838.html
RFC6838, January2013, BCP13. Sections4.2–4.3 give type/subtype naming and parameters. Institutional protocol specification; shared semantics and Content-Type usage in HTTP are covered separately by RFC9110 sections8.3 and12.