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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: sharp � and ss in Ada keywords like ACCESS
Date: Tue, 11 Oct 2011 09:36:31 +0200
Organization: cbb software GmbH
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Date: 2011-10-11T09:36:31+02:00
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On Mon, 10 Oct 2011 17:25:17 -0500, Randy Brukardt wrote:

> Also note that even if the conversion was allowed, the identifier "acce�" 
> would be illegal: 2.3(5.3/3) [and the equivalent rule in Ada 2005] makes it 
> illegal to have an identifier that is identical to a reserved word. And 
> reserved words use character-by-character case conversion - any case where 
> the number of characters change is not considered. Since Ada 2012 uses 
> "simple case folding", 2.3(5.3/3) doesn't have any impact, but if it had 
> used "full case folding", it would prevent words like the above.

One still can fool it by using Cyrillic a (0430), c (0441), e (0435).

P.S. Shouldn't we ask the Unicode consortium to introduce programming
languages page with "access" as single character (and "goto", "if", "then",
"begin", "end", ... etc). They surely would enjoy it, since they did just
so for Roman numerals, degree symbols (�C, �F) etc. That would make the
mess perfect! (:-))

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