Contents What is Atom? About this document Sample feed Feed Elements Required Recommended Optional Entry Elements Required Recommended Optional Common Constructs Category Content Link Person Text Extending Atom See Also What is Atom? Atom is the name of an XML-based Web content and metadata syndication format, and an application-level protocol for publishing and editing Web resources belonging to periodically updated websites. All Atom feeds must be well-formed XML documents, and are identified with the application/atom+xml media type. About this document This document focuses on The Atom Syndication Format produced by the IETF AtomPub Working Group . In the event that this document differs from the Internet Draft, the Internet Draft is to be considered authoritative. General considerations: All elements described in this document must be in the http://www.w3.org/2005/Atom namespace. All timestamps in Atom must conform to RFC 3339 .…