[TUHS] Unix tools to aid in the production of Internet RFCs?

[Random832]

On Thu, Aug 27, 2020, at 13:51, Tony Finch wrote:
> Yes, very Not Unix. As Dan wondered, the best list for this question is
> internet-history, I think :-)
> 
> The Network Information Center was at SRI, and they used the ARC NLS: Doug
> Englebart's Augmentation Research Center oN-Line System [1] but I get the
> impression that by the 1990s nroff on Unix was the main tool for producing
> RFCs.

Was there a particular set of macros used? custom macros? ms? or does raw "nroff" have an easy way to produce those page headers and other things used in RFCs?