From: "J-P. Rosen" <rosen@adalog.fr>
Subject: Re: GNAT vs UTF-8 source file names
Date: Wed, 5 Jul 2017 07:21:31 +0200
Date: 2017-07-05T07:21:31+02:00 [thread overview]
Message-ID: <ojhspu$sb2$1@dont-email.me> (raw)
In-Reply-To: <lyeftw2tlc.fsf@pushface.org>
Le 04/07/2017 à 15:57, Simon Wright a écrit :
> The reason for this apparently-bizarre message is[3] that macOS takes
> the composed form (lowercase a acute) and converts it under the hood
> to what HFS+ insists on, the fully decomposed form (lowercase a, combining
> acute); thus the names are actually different even though they _look_
> the same.
Apparently, they use NFD (Normalization Form D). Normalization forms are
necessary to avoid a whole lot of problems, although Ada requires
normalization form C (ARM 2.1 (4.1/3)), or more precisely, it is
implementation defined if the text is not in NFC.
--
J-P. Rosen
Adalog
2 rue du Docteur Lombard, 92441 Issy-les-Moulineaux CEDEX
Tel: +33 1 45 29 21 52, Fax: +33 1 45 29 25 00
http://www.adalog.fr
next prev parent reply other threads:[~2017-07-05 5:21 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-30 17:10 GNAT vs UTF-8 source file names Simon Wright
2017-06-17 17:20 ` Simon Wright
2017-06-27 13:22 ` Jacob Sparre Andersen
2017-06-27 21:45 ` Niklas Holsti
2017-06-28 5:05 ` G.B.
2017-07-04 13:57 ` Simon Wright
2017-07-04 17:30 ` Shark8
2017-07-04 18:08 ` Dennis Lee Bieber
2017-07-05 5:25 ` J-P. Rosen
2017-07-06 15:18 ` Shark8
2017-07-07 8:19 ` J-P. Rosen
2017-07-05 5:21 ` J-P. Rosen [this message]
2017-07-05 9:47 ` Simon Wright
2017-07-05 11:20 ` J-P. Rosen
2017-07-05 18:42 ` Randy Brukardt
2017-07-06 18:43 ` Simon Wright
2017-07-07 8:26 ` J-P. Rosen
2017-07-07 11:01 ` Simon Wright
2017-07-07 11:49 ` Jacob Sparre Andersen
2017-07-07 19:44 ` Randy Brukardt
2017-07-07 19:40 ` Randy Brukardt
2017-07-07 21:02 ` Simon Wright
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