Just a quick suggestion for an rfc:// tag, to point to rfcs. Choose an archive (rfc.org.uk? the mit one?), and put in a twiddle to make any posts with rfc://2068 in the magick into http://www.rfc.org.uk/cgi-bin/lookup.cgi?rfc=2068 or whatever.
In reply to rfc://
by mischief