linux-kernel - Re: [REVERT Request] VT Breakage

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Message-ID: <48F51A7D.3040700@zytor.com>
Date:	Tue, 14 Oct 2008 15:17:33 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Chris Adams <cmadams@...aay.net>
CC:	linux-kernel@...r.kernel.org
Subject: Re: [REVERT Request] VT Breakage

Chris Adams wrote:
> Once upon a time, H. Peter Anvin <hpa@...or.com> said:
>> VT220 was monochrome, too.  You needed to go to the VT241 before you got 
>> color in the DEC terminal range (and even it didn't support color text 
>> via the SGR sequence (CSI m), according to the manual -- even the VT510 
>> manual doesn't document colored text via SGR.)
> 
> The VT510 is also monochrome (I'm sitting here typing on one).

Indeed it is.  The color version is the VT525.

I haven't found the technical manual for VT525, but the user manual 
mentions as one of options in the configuration menu:

"Erase text to the text background color (PC style)"
"Erase text to the screen background color (VT style)"

However, to a very large degree this is all moot.  We have done it one 
way for 17 years, and that is the terminal emulation that is expected 
when $TERM is "linux".  Realistically, if we want to introduce a new 
xterm-compatible mode it needs to be just that, a mode; and then we can 
set TERM to "xterm".

	-hpa
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