linux-kernel - Re: UTF-8 and Alt key in the console

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Message-ID: <alpine.LNX.1.10.0803290143180.18418@fbirervta.pbzchgretzou.qr>
Date:	Sat, 29 Mar 2008 01:44:37 +0100 (CET)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	"H. Peter Anvin" <hpa@...or.com>
cc:	"John T." <j.thomast@...oo.com>, linux-kernel@...r.kernel.org
Subject: Re: UTF-8 and Alt key in the console


On Saturday 2008-03-29 01:23, H. Peter Anvin wrote:
>>  And while we are at it, I'd suggest a whole new set of escape
>>  codes, the current sequences are particularly... bad for
>>  stream synchronization. Right now one has to parse strings for
>>  end-of-escape.. which is awkward. I'd just be able to
>>  strchr(s, '^]') for example and know when the escape code
>>  ends. (Compat should of course be honored where necessary.)
>
> I think it would be a major lose to move away from ISO 6429 format; the format 
> is self-terminating and really isn't all that complex.

What do you mean by self-terminating? There is no easy
synchronization like in UTF-8, given you are anywhere inside
a text stream, how do you know (a) you are already in an
escape sequence and (b) how to figure out the rebegin of
normal text.
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