From: Eli Zaretskii <eliz@gnu.org>
To: Juanma Barranquero <lekktu@gmail.com>
Cc: 16731@debbugs.gnu.org
Subject: bug#16731: 24.3.50; Latin small letter sharp s is not considered lower-case
Date: Thu, 13 Feb 2014 20:18:59 +0200 [thread overview]
Message-ID: <83zjludgfg.fsf@gnu.org> (raw)
In-Reply-To: <CAAeL0SQPTchZQ8NGnU-WLk2K8o8iPSPQ9VjomWMiW0ecsOpy=g@mail.gmail.com>
> From: Juanma Barranquero <lekktu@gmail.com>
> Date: Thu, 13 Feb 2014 18:58:04 +0100
> Cc: Stefan Monnier <monnier@iro.umontreal.ca>, 16731@debbugs.gnu.org
>
> On Thu, Feb 13, 2014 at 5:33 PM, Eli Zaretskii <eliz@gnu.org> wrote:
>
> > If the approach below is accepted, a related question is how to treat
> > letters whose category is Lt, i.e. "titlecase" -- do we consider such
> > letters upper case or don't we?
>
> No Unicode expert, but this suggest they are uppercase, sort of:
>
> http://www.unicode.org/faq/casemap_charprop.html
>
> "Q: What is titlecase? How is it different from uppercase?
>
> A: Titlecase takes its name from the case format used when forming a
> title, in which the initial letter in a word is capitalized and the
> rest are not. Titlecase is also used in forming a sentence by
> capitalizing the first word, and for forming proper names. The
> titlecase mapping in the Unicode Standard is the mapping applied to
> the initial character in a word.
>
> The titlecase mapping in Unicode differs from the uppercase mapping in
> that a number of characters require special handling. These are
> chiefly ligatures and digraphs such as 'fl', 'dz', and 'lj', plus a
> number of polytonic Greek characters. For example, U+01C7 (LJ) maps to
> U+01C8 (Lj) rather than to U+01C9 (lj)."
The question is whether we want [:upper:] to match titlecase letters.
next prev parent reply other threads:[~2014-02-13 18:18 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-12 17:29 bug#16731: 24.3.50; Latin small letter sharp s is not considered lower-case Jorgen Schaefer
2014-02-12 17:55 ` Glenn Morris
2014-02-12 19:31 ` Andreas Röhler
2014-02-12 19:49 ` Eli Zaretskii
2014-02-12 20:10 ` Andreas Röhler
2014-02-12 20:16 ` Eli Zaretskii
2014-02-12 20:33 ` Andreas Röhler
2014-02-12 20:57 ` Juanma Barranquero
2014-02-13 3:46 ` Eli Zaretskii
2014-02-13 8:27 ` Andreas Röhler
2014-02-13 15:53 ` Eli Zaretskii
2014-02-13 13:37 ` Stefan Monnier
2014-02-13 16:33 ` Eli Zaretskii
2014-02-13 17:10 ` Stefan Monnier
2014-02-13 17:39 ` Eli Zaretskii
2014-02-13 18:02 ` Andreas Röhler
2014-02-13 18:17 ` Eli Zaretskii
2014-02-13 18:10 ` Stefan Monnier
2014-02-13 18:16 ` Eli Zaretskii
2014-02-13 19:15 ` Stefan Monnier
2014-02-13 20:24 ` Eli Zaretskii
2014-02-14 17:22 ` Stefan Monnier
2014-02-14 18:16 ` Eli Zaretskii
2014-02-14 20:59 ` Stefan Monnier
2014-02-15 7:12 ` Eli Zaretskii
2014-02-17 3:09 ` Stefan Monnier
2014-02-17 5:29 ` Eli Zaretskii
2014-02-13 17:58 ` Juanma Barranquero
2014-02-13 18:18 ` Eli Zaretskii [this message]
2014-02-13 18:22 ` Juanma Barranquero
2014-02-13 18:47 ` Glenn Morris
2014-02-13 20:16 ` Eli Zaretskii
2014-02-14 16:20 ` bug#16731: 24.3.50; , " Paul Eggert
2021-07-16 12:32 ` bug#10576: Subject: 23.4; char class [:lower:] misses latin small letter sharp s Lars Ingebrigtsen
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