[BCP39]    Best Current Practice 39,
              <https://www.rfc-editor.org/info/bcp39>.
              At the time of writing, this BCP comprises the following:

              IAB and B. Carpenter, Ed., "Charter of the Internet
              Architecture Board (IAB)", BCP 39, RFC 2850,
              DOI 10.17487/RFC2850, May 2000,
              <https://www.rfc-editor.org/info/rfc2850>.

              Carpenter, B., Ed., "IAB Charter Update for RFC Editor
              Model", BCP 39, RFC 9283, DOI 10.17487/RFC9283, June 2022,
              <https://www.rfc-editor.org/info/rfc9283>.