Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!zaphod.mps.ohio-state.edu!samsung!uunet!auspex!guy
From: guy@auspex.auspex.com (Guy Harris)
Newsgroups: comp.sources.wanted
Subject: Re: X Windows ANSI Terminal Emulator?
Keywords: X11 R4, ANSI
Message-ID: <4180@auspex.auspex.com>
Date: 12 Oct 90 18:33:14 GMT
References: <1990Oct9.170022.4696@Solbourne.COM> <1990Oct10.174823.4933@odin.corp.sgi.com>
Organization: Auspex Systems, Santa Clara
Lines: 20

>The escape sequences in your message are ANSI color sequences.

Actually, I think that's "ISO 6429 color sequences"; my copy of ANSI
X3.24 doesn't list escape sequences to specify colors except in Appendix
H which mentiones ISO 6429.

It *also* indicates that <ESC>[39m is, at least in the ISO 6429 draft
the author of Appendix H had, "reserved for future standardization", and
that was one of the escape sequences used in the message.

Perhaps the final version of 6429 specified that it selects a graphics
character set, or made it available for private use.  Or, if it was still
reserved for future standardization, perhaps some bozo doing DOS
software thought "reserved for future standardization" meant "hey, have
fun, use this escape sequence for whatever you want, *we* don't plan to
use it for anything!" and used it for selecting a graphics character
set. 

Given that it was used before the big IMMMMMM...MM5 string, I suspect it
may well be selecting a graphics character set.