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gpic and 8-bit characters (was: Proposed GNU troff behavior change: requ
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From: |
G. Branden Robinson |
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Subject: |
gpic and 8-bit characters (was: Proposed GNU troff behavior change: require end-of-input macros to exit) |
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Date: |
Tue, 2 Jan 2024 01:55:17 -0600 |
For one thing, this sub-thread needs to be retitled. Doing so.
At 2024-01-02T07:15:53+0000, hohe72@posteo.de wrote:
> If gpic gets Ä (0xc3 0x84) it complains about 0x84.
> If gpic gets ä (0xc3 0xa4) it does not complain about 0xa4.
>
> gpic says: "invalid input character".
>
> So because both being above ASCII (8 bit area),
I'm going to stop you right there. ASCII is not an 8-bit code. It is a
7-bit code, per USAS (later ANSI) X3.4-1968 and ECMA-6.
https://ia800800.us.archive.org/35/items/enf-ascii-1968-1970/Image070917151315.pdf
https://ecma-international.org/wp-content/uploads/ECMA-6_6th_edition_december_1991.pdf
Anyone who speaks of code points above 0x7F as being "ASCII" literally
does not know what they are talking about.
Regards,
Branden
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