RFC Style Guide
This specification has been revised 4 times since RFC 825 (1982). Each document below formally obsoleted the one before it; the versions still in force are listed first.
Revision timeline
Current version — implement against this
Superseded versions — historical reference only
- RFC 825Request for comments on Requests For CommentsObsoletedNovember 1982replaced by RFC1111, RFC1543, RFC2223
- RFC 1111Request for comments on Request for Comments: Instructions to RFC authorsObsoletedAugust 1989informationalreplaced by RFC1543, RFC2223
- RFC 1543Instructions to RFC AuthorsObsoletedOctober 1993informationalreplaced by RFC2223
- RFC 2223Instructions to RFC AuthorsObsoletedOctober 1997informationalreplaced by RFC7322
This lineage is derived automatically from the “obsoletes” relationships recorded in the public RFC Editor index — no editorial judgement is applied to the ordering. The most recent document in the chain is RFC 7322 (September 2014).