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Re: search-default-mode char-fold-to-regexp and Greek Extended block cha
From:
Robert Pluim
Subject:
Re: search-default-mode char-fold-to-regexp and Greek Extended block characters
Date:
2019年7月25日 10:59:39 +0200
>>>>> On 2019年7月25日 05:36:12 +0300, Eli Zaretskii <address@hidden> said:
>> From: Juri Linkov <address@hidden>
>> Date: 2019年7月25日 02:12:01 +0300
>>
>> This is an interesting case like (upcase "ß") => "SS" that required
>> adding (?ß "ss") to pass the tests.
Eli> Isn't there now an upper-case eszet that eliminates that problem?
There is, but the mapping is one-way.
UnicodeData.txt has:
00DF;LATIN SMALL LETTER SHARP S;Ll;0;L;;;;;N;;;;;
1E9E;LATIN CAPITAL LETTER SHARP S;Lu;0;L;;;;;N;;;;00DF;
and SpecialCasing.txt has
00DF; 00DF; 0053 0073; 0053 0053; # LATIN SMALL LETTER SHARP S
which gives us
(upcase "ß") => "SS" ; \udf => "SS"
(downcase "ẞ") => "ß" ; \u1e9e => \udf
Perhaps this is different in a later version of Unicode than what
weʼre using.
Robert
- Re: search-default-mode char-fold-to-regexp and Greek Extended block characters, (continued)
- Re: search-default-mode char-fold-to-regexp and Greek Extended block characters , Robert Pluim, 2019年07月24日
- Re: search-default-mode char-fold-to-regexp and Greek Extended block characters , Robert Pluim, 2019年07月24日
- Re: search-default-mode char-fold-to-regexp and Greek Extended block characters , Juri Linkov, 2019年07月24日
- Re: search-default-mode char-fold-to-regexp and Greek Extended block characters , Basil L. Contovounesios, 2019年07月24日
- Re: search-default-mode char-fold-to-regexp and Greek Extended block characters , Juri Linkov, 2019年07月25日
- Re: search-default-mode char-fold-to-regexp and Greek Extended block characters, Re: search-default-mode char-fold-to-regexp and Greek Extended block characters , Robert Pluim, 2019年07月25日
- Re: search-default-mode char-fold-to-regexp and Greek Extended block characters, Re: search-default-mode char-fold-to-regexp and Greek Extended block characters , Juri Linkov, 2019年07月25日
- Re: search-default-mode char-fold-to-regexp and Greek Extended block characters, Re: search-default-mode char-fold-to-regexp and Greek Extended block characters , Robert Pluim, 2019年07月26日
- Re: search-default-mode char-fold-to-regexp and Greek Extended block characters, Re: search-default-mode char-fold-to-regexp and Greek Extended block characters , Juri Linkov, 2019年07月26日
- Re: search-default-mode char-fold-to-regexp and Greek Extended block characters , Eli Zaretskii, 2019年07月24日
- Re: search-default-mode char-fold-to-regexp and Greek Extended block characters,
Robert Pluim <=
- Re: search-default-mode char-fold-to-regexp and Greek Extended block characters , Eli Zaretskii, 2019年07月25日
- Re: search-default-mode char-fold-to-regexp and Greek Extended block characters , Robert Pluim, 2019年07月25日
- Re: search-default-mode char-fold-to-regexp and Greek Extended block characters , Juri Linkov, 2019年07月25日
- Re: search-default-mode char-fold-to-regexp and Greek Extended block characters , Eli Zaretskii, 2019年07月26日
- Re: search-default-mode char-fold-to-regexp and Greek Extended block characters , Juri Linkov, 2019年07月26日
- Re: search-default-mode char-fold-to-regexp and Greek Extended block characters , Eli Zaretskii, 2019年07月26日
Re: search-default-mode char-fold-to-regexp and Greek Extended block characters , Juri Linkov, 2019年07月19日