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bug#16731: 24.3.50; Latin small letter sharp s is not considered lower-c
From: |
Eli Zaretskii |
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 |
> 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.
- bug#16731: 24.3.50; Latin small letter sharp s is not considered lower-case, (continued)
- bug#16731: 24.3.50; Latin small letter sharp s is not considered lower-case, Eli Zaretskii, 2014/02/13
- bug#16731: 24.3.50; Latin small letter sharp s is not considered lower-case, Stefan Monnier, 2014/02/13
- bug#16731: 24.3.50; Latin small letter sharp s is not considered lower-case, Eli Zaretskii, 2014/02/13
- bug#16731: 24.3.50; Latin small letter sharp s is not considered lower-case, Stefan Monnier, 2014/02/14
- bug#16731: 24.3.50; Latin small letter sharp s is not considered lower-case, Eli Zaretskii, 2014/02/14
- bug#16731: 24.3.50; Latin small letter sharp s is not considered lower-case, Stefan Monnier, 2014/02/14
- bug#16731: 24.3.50; Latin small letter sharp s is not considered lower-case, Eli Zaretskii, 2014/02/15
- bug#16731: 24.3.50; Latin small letter sharp s is not considered lower-case, Stefan Monnier, 2014/02/16
- bug#16731: 24.3.50; Latin small letter sharp s is not considered lower-case, Eli Zaretskii, 2014/02/17
- bug#16731: 24.3.50; Latin small letter sharp s is not considered lower-case, Juanma Barranquero, 2014/02/13
- bug#16731: 24.3.50; Latin small letter sharp s is not considered lower-case,
Eli Zaretskii <=
- bug#16731: 24.3.50; Latin small letter sharp s is not considered lower-case, Juanma Barranquero, 2014/02/13
- bug#16731: 24.3.50; Latin small letter sharp s is not considered lower-case, Glenn Morris, 2014/02/13
- bug#16731: 24.3.50; Latin small letter sharp s is not considered lower-case, Eli Zaretskii, 2014/02/13
bug#16731: 24.3.50; , Latin small letter sharp s is not considered lower-case, Paul Eggert, 2014/02/14