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000039_news@columbia.edu _Thu Mar 22 18:51:44 2001.msg
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From: fdc@columbia.edu (Frank da Cruz)
Subject: Re: Terminal emulation problems (or, curses! foiled again)
Date: 22 Mar 2001 23:27:04 GMT
Organization: Columbia University
Message-ID: <99e1o8$hmd$1@newsmaster.cc.columbia.edu>
To: kermit.misc@columbia.edu
In article <20010322181012.A26265@jpradley.jpr.com>,
Jean-Pierre Radley <jpr@jpr.com> wrote:
: Frank da Cruz propounded (on Thu, Mar 22, 2001 at 06:19:49PM +0000):
: | In article <904.480T782T10084139@sky.bus.com>,
: | Charlie Gibbs <cgibbs@sky.bus.com> wrote:
: | : I have a number of programs I've written under 3.2v4.2, which are
: | : running on many sites, including 5.0.5 ...
: | :
: | It's most likely not a problem with curses, but with the terminal
: | emulator on the end-user's desk. Some are better than others.
: | Also, obviously, the emulation selection has to match what curses
: | thinks it is, which is not always straightforward. In particular,
: | you should be aware that "ansi" means SCOANSI to the SCO host,
: | but it means BBS ANSI (an entirely different scheme) to the emulator.
: | To get a match, the emulator must be set to SCOANSI, and the SCO host
: | set to ANSI. Or else pick something less confusing, like vt220.
:
: Except, Frank, that in OSR 5.0.6, scoansi != ansi. They're different.
:
That's good news -- I asked them to do this years ago (thanks, SCO).
But of course the drawback is that now "ansi" means something different
depending on which OSR5 version it is. Progress doesn't come cheap!
At least now, Telnet clients whose emulation is set to SCOANSI, and which
report their terminal type automatically to the Telnet server, will not
result any rude surprises when logging into OSR5.0.6 (as they do now with
earlier OSR5 versions). Ditto for plain (BBS) ANSI.
Did a similar change happen in any other SCO operating systems?
(I'm including the Kermit newsgroup in this reply because this discussion
will be of some interest there.)
- Frank