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Article #189755

Re: command idea

#189755
From: John Hagerman
Date: Sat, 10 Nov 1990 19:31
25 lines
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jwz@lucid.com (Jamie Zawinski) writes:

   roland@AI.MIT.EDU (Roland McGrath) wrote:

   > That sounds odd.  Emacs's redisplay is pretty smart.  Does it know what
   > speed you're at?  Try "stty 1200" before starting Emacs.

   Been there, done that.  (baud-rate) returns 1200.  I'm going through a
   terminal concentrator, but that shouldn't matter if emacs is pushing
   characters exactly at the speed of the line, which it doesn't seem to be
   doing.  Gosmacs does much better in this respect, and if it wasn't for
   the lawyers, I'd say there was some code ripe for the picking :-)

The notion of "pushing characters exactly at the speed of the line"
doesn't make sense; transmission of characters is entirely up to the
terminal driver.  I've been in Gosling's redisplay code; it doesn't do
anything fancy to send the characters out at any particular rate.  It
does, however, add NUL characters to add the delays specified by the
termcap entry, as any termcap-conscious program must.

I suspect that buffering in your terminal concentrator is the problem.

- John
--
hagerman@ece.cmu.edu
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References: <9011100445.AA02007@albert.ai.mit.edu> <JWZ.90Nov9224044@kolyma.lucid.com>

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From: hagerman@ece.cmu.edu (John Hagerman)
Newsgroups: gnu.emacs.help
Subject: Re: command idea
Message-ID: <HAGERMAN.90Nov10143147@rx7.ece.cmu.edu>
Date: 10 Nov 90 19:31:47 GMT
References: <9011100445.AA02007@albert.ai.mit.edu>
 <JWZ.90Nov9224044@kolyma.lucid.com>
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Organization: Carnegie Mellon University
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Posted: Sat Nov 10 20:31:47 1990
In-Reply-To: jwz@lucid.com's message of 10 Nov 90 06:40:44 GMT