[Haskell-cafe] Re: Valid Haskell characters

[Maurí­cio]

One may wonder which of them was used
in Haskell compilers. Did they take
only Lu characters, or were they
carefull to accept all Uppercase?

Maurício

Deborah Goldsmith a écrit :
> All characters with general category Lu have the property Uppercase, but 
> the converse is not true.
> 
> Deborah
> 
> On Aug 25, 2008, at 8:27 PM, Richard A. O'Keefe wrote:
> 
>>
>> On 26 Aug 2008, at 1:31 pm, Deborah Goldsmith wrote:
>>
>>> You can't determine Unicode character properties by analyzing the 
>>> names of the characters.
>>
>> However, the OP *does* have a copy of the UnicodeData...txt file,
>> and you *can* determine the relevant Unicode character properties from 
>> that.
>>
>> For example, consider the entry for space:
>> 0020;SPACE;Zs;0;WS;;;;;N;;;;;
>>           ^^
>> The Zs bit says it's a white space character
>> (Zs: separator/space, Zl: separator/line, Zp:
>> separator/paragraph).
>>
>> Or look at capital A:
>> 0041;LATIN CAPITAL LETTER A;Lu;0;L;;;;;N;;;;0061;^
>>                            ^^
>> The Lu bit says it's a L(etter) that is u(pper case).
>>
>> Upper case: Lu, lower case: Ll, title case: Lt,
>> modifier letter: Lm, other letter: Lo, digit: Nd,
>> ...
>>
>> If memory serves me correctly, this is explained in the
>> UnicodeData.html file, under a heading something like
>> Normative Categories.
>>
>>