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bug#11309: 24.1.50; Case problems with [:upper:] and Cyrillic, Greek


From: Eli Zaretskii
Subject: bug#11309: 24.1.50; Case problems with [:upper:] and Cyrillic, Greek
Date: Thu, 10 Dec 2020 16:17:41 +0200

> From: Mattias Engdegård <mattiase@acm.org>
> Date: Thu, 10 Dec 2020 10:36:12 +0100
> Cc: Lars Ingebrigtsen <larsi@gnus.org>, Aidan Kehoe <kehoea@parhasard.net>,
>         11309@debbugs.gnu.org
> 
> Upcasing ß to ß never really makes sense. Words containing ß are written with 
> SS in upper case: groß -> GROSS - which is one reason why the 
> character-to-character use of Fupcase normally cannot be used for text 
> containing the letter. The capital ß, ?ẞ, is still not widely employed but 
> one of its purposes is when it is important to preserve the exact spelling of 
> proper names when written in all caps: Gauß -> GAUẞ, not GAUSS. (I wouldn't 
> be surprised if this will eventually become the general convention for all 
> text, but we are getting ahead of society here.)

Wouldn't it be confusing that upcase treats ?ß and "ß" differently?





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