.Dd January 3, 2022 .Dt RFC 1 .Os . .Sh NAME .Nm rfc , .Nm rfctags .Nd view IETF RFCs . .Sh SYNOPSIS .Nm rfc .Op Ar number .Nm rfc .Fl b Ar number .Nm rfctags .Op Ar . .Sh DESCRIPTION The .Nm rfc utility displays an IETF RFC by number, or the RFC index if no number is specified. The RFC is displayed in the .Ev PAGER with a tags file generated by .Nm rfctags . The .Fl b option outputs an .Xr mdoc 7 bibliographic block. . .Pp The .Nm rfctags utility generates tags for RFC text file section numbers, section names and bracketed references. . .Sh ENVIRONMENT .Bl -tag -width Ds .It Ev PAGER The program used to display RFCs. It must accept the .Fl T flag for specifying the path of the tags file. The default is .Ev PAGER=less . .El . .Sh SEE ALSO .Xr ctags 1 , .Xr less 1 . .Sh AUTHORS .An June Bug Aq Mt june@causal.agency