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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: Bug in Ada - Latin 1 is not a subset of UTF-8
Date: Sat, 22 Oct 2016 09:49:14 +0200
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Date: 2016-10-22T09:49:14+02:00
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On 2016-10-22 07:51, G.B. wrote:
> On 21.10.16 18:43, Dmitry A. Kazakov wrote:
>> For an UTF-8 string proper no checks would be ever required when a
>> character is appanded.
>
> No Unicode sequence in UTF should ever exist visibly in a
> program other than either during parsing, or during output.

Right.

Any encoded string must implement two distinct interfaces: an array of 
characters and a sequence of encoding elements (e.g. octets). They 
somehow fit to each other for Latin-1 and UCS-2 strings, but for 
majority of encoding methods they are drastically different.

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de