I found the following new telnet options:

Option			Code	RFC				Author
------			----	---				------

3270-Regime	 	29	1041 - Telnet 3270 Regime	Rekhter

X.3-PAD		 	30	1053 - X.3 PAD Option		Levy, Jacobson

NAWS		 	31	1073 - Telnet Window Size	Waitzman

Terminal-Speed	 	32	1079 - Telnet Terminal Speed Opt.  Hendrick

Toggle-Flow-Control	33	1080 - Telnet Remote Flow Control  Hendrick

LINEMODE	 	34	1116 - Telnet Linemode Option	Borman

X-Display-Location	35	1096 - Telnet Under X-Window	Marcy


In addition, RFC 1043 (Telnet Data Entry Terminal Option DODIIS) updates
the DET option (code 20) given in RFC 732.