On 2021-10-17, at 14:47, John C Klensin <john-ietf@xxxxxxx> wrote: > > FWIW, I have no idea whether permission was obtained to extract > and reproduce material from X3.4-1968 to act as the basis for > RFC 20 or whether the conclusion at the time was that it was not > necessary. (Random fuzzy recollection: I seem to remember that what made me start campaigning for RFC 20 to be a STD was that I wanted to stop people from referencing X3.4 just in order to avoid a downref.) We should do this more often. Grüße, Carsten
