From: "J-P. Rosen" <rosen@adalog.fr>
Subject: Re: The extension of Is_Basic to unicode (about AI12-0260-1)
Date: Wed, 11 Apr 2018 22:54:59 +0200
Date: 2018-04-11T22:54:59+02:00 [thread overview]
Message-ID: <palsmv$g18$1@gioia.aioe.org> (raw)
In-Reply-To: b76d295b-385b-41b1-b9ea-b523911b9266@googlegroups.com
Le 11/04/2018 à 16:32, Dan'l Miller a écrit :
>> True if Item is a basic letter. A basic letter is a character that
>> is in one of the ranges 'A'..'Z' and 'a'..'z', or that is one of
>> the following: 'Æ', 'æ', 'Ð', 'ð', 'Þ', 'þ', or 'ß'.
> If this Ada-specific definition of this is-basic/base-Latin-letter
> property is the official normative list, then it seems rather
> arbitrary and capricious, not conforming to Unicode or to linguistic
> reality.
>
> In Unicode-speak's terminology/jargon, the definition of base
> character at https://definedterm.com/a/definition/160575 would admit
> quite a few more, [...]
The above Is_Basic is about Character, and is defined only when using
Latin-1. Unicode is a different standard.
--
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:[~2018-04-11 20:54 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-11 0:52 The extension of Is_Basic to unicode (about AI12-0260-1) ytomino
2018-04-11 3:38 ` J-P. Rosen
2018-04-11 3:52 ` ytomino
2018-04-11 14:32 ` Dan'l Miller
2018-04-11 20:54 ` J-P. Rosen [this message]
2018-04-11 22:20 ` Randy Brukardt
2018-04-11 23:57 ` ytomino
2018-04-12 5:14 ` J-P. Rosen
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