On Wed, Sep 10, 2003 at 06:27:01PM +0900, Vincent Lefevre wrote:
> On Wed, Sep 10, 2003 at 02:07:03 +0100, Colin Watson wrote:
> > The LC_CTYPE variable sets the character classification and case
> > conversion rules. Picking an encoding is just one part of this: things
> > like case conversion rules vary considerably between languages and
> > probably even variants of languages, and there isn't a reasonable way
> > for the C library to guess which one you meant.
> 
> But case conversion rules should apply to the language of the
> corresponding text, which isn't necessarily the same as the
> language chosen by the user (with LC_CTYPE).

C's toupper() and tolower() functions use LC_CTYPE. It's up to the
application to figure out if it needs to temporarily do something
different.

-- 
Colin Watson                                  [EMAIL PROTECTED]


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