Re: Terminal Graphics Proposal

From: Paul Keinanen (keinanen@sci.fi)
Date: Fri Oct 02 1998 - 01:36:43 EDT


At 17:16 1.10.1998 -0700, Markus Kuhn wrote:
>Paul Keinanen wrote on 1998-10-01 17:03 UTC:
>> In ISO 8859-1 these are listed as
>>
>> 80 PADDING CHARACTER (PAD)
>> 81 HIGH OCTET PRESET (HOP)
>>
>> 99 SINGLE GRAPHIC CHARACTER INTRODUCER (SGCI)
>
>Are you sure about the source? Last time I looked into
>ISO/IEC 8859-1:1986(E), it was certainly free of any control
>characters. ISO 8859 defines only graphical characters.
>What exactly is your source on this?

So that explains why

ftp://ftp.unicode.org/Public/MAPPINGS/ISO8859/8859-1.TXT

list no code points in the C0 and C1 range.

Then I am just wondering why

ftp://dkuug.dk/i18n/charmaps/CP819 (alias Latin1 alias ISO_8859-1:1987) lists

<PA> /x80 <U0080> PADDING CHARACTER (PAD)
<HO> /x81 <U0081> HIGH OCTET PRESET (HOP)

<GC> /x99 <U0099> SINGLE GRAPHIC CHARACTER
INTRODUCER (SGCI)

and ftp://dkuug.dk/i18n/charmaps.646/ISO_8859-1:1987
lists the same code point values for these control characters

<PA> /d128
<HO> /d129

<GC> /d153

So I just wonder, where they at dkuug.dk/i18n have taken these C0 and C1
codes from, unfortunately these tables did not contain any references (as
did most EBCDIC tables).

Paul



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