The MIME Multipart/Related Content-type
This document defines the Multipart/Related content-type and provides examples of its use. [STANDARDS-TRACK]
Replaces RFC 1872: The MIME Multipart/Related Content-type, RFC 2112: The MIME Multipart/Related Content-type.
Normative requirements
This document does not use the RFC 2119 keywords. It states its requirements in ordinary prose, which is why nothing is listed here rather than because nothing was found.