Re: Revised ISO 2022 explanation

From: Lisa Moore (lisam@us.ibm.com)
Date: Fri Nov 07 1997 - 13:17:35 EST


John,

I think I detect a couple of typos:

>27 40 F Set G0 to the 94-character set F
>27 41 F Set G1 to the 94-character set F
>27 42 F Set G2 to the 94-character set F
>27 43 F Set G3 to the 94-character set F
>27 45 F Set G1 to the 96-character set F
>27 46 F Set G3 to the 96-character set F
>27 47 F Set G3 to the 96-character set F
***** there are two G3s and no G2s described...
>27 36 F Set G0 to the 94 x 94 character set F,
                     provided F is 64, 65, or 66
>27 36 40 F Set G0 to the 94 x 94 character set F,
                     provided F is not 64, 65, or 66
>27 36 41 F Set G1 to the 94 x 94 character set F
>27 36 42 F Set G3 to the 94 x 94 character set F
>27 36 43 F Set G3 to the 94 x 94 character set F
***** there are two G3s and no G2s described...

As someone who did a 2022 implementation in 1984,
with all kinds of character set designations and
invocations, and figuring out what had been used,
guessing what would be used, I have to say, it
pretty much seemed a miracle that we ever got
the right character displayed at the right time.

The mentality of stacks of character sets to
swap around is a downright psychedelic thought...

From a Unicode believer,

Lisa



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