doc-rfc-old-std 20170121-1ubuntu1 (arm64 binary) in ubuntu bionic

 RFC (Request for Comments) documents are a series of technical and
 organizational notes about the Internet. They are edited by the
 Internet Engineering Task Force (IETF).
 .
 This package includes the following categories:
 .
  * Obsoleted Standards
  * Obsoleted Draft Standards
  * Obsoleted Proposed Standards