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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: unicode and wide_text_io
Date: Thu, 28 Dec 2017 14:32:06 +0000
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Date: 2017-12-28T14:32:06+00:00
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"Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> writes:

> On 2017-12-28 14:15, Mehdi Saada wrote:
>
>> Ok, I'm done with it. It sure is interesting, but I don't want to
>> even think about all this stuff for the time being... Talk about
>> "universal standard", when it's (apparently) it's far from universal
>> or uniform !
>
> It is. Everybody uses UTF-8. Even under Windows. The text is converted
> from/to UTF-16 right after or before passing it to the system
> call. All processing is UTF-8. E.g. GTK uses UTF-8 consistently no
> matter what OS.
>
>>> Easy: it uses a variable-width representation.
>> Under the assumption terminals will be able to display it... well,
>> whatever I use in the end, I've got to suppose it anyway.
>
> Sure they are Linux and Windows.
>
> Take this program:
> ------------------------------------
> with Ada.Text_IO;  use Ada.Text_IO;
> procedure Superscript is
> begin
>    Put_Line
>    (  "Superscript 1="
>    &  Character'Val (194)
>    &  Character'Val (185)
>    );
> end Superscript;
> ------------------------------------

works fine on macOS (no chcp messing needed!)