Documentation conventions
RFC 3, “Documentation conventions”, is an Unknown document published in April 1969 by S.D. Crocker. It has been obsoleted by RFC 10 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
What “Unknown” means
The standards-track status of this early RFC was never formally classified.
The canonical text of RFC 3 is hosted at rfc-editor.org. Available in TXT,HTML.