Is unicode.lower() locale-independent?

[Fredrik Lundh]

Robert Kern wrote:

>> However it appears from your bug ticket that you have a much narrower
>> problem (case-shifting a small known list of English words like VOID)
>> and can work around it by writing your own locale-independent casing
>> functions. Do you still need to find out whether Python unicode
>> casings are locale-dependent?
> 
> I would still like to know. There are other places where .lower() is used in 
> numpy, not to mention the rest of my code.

"lower" uses the informative case mappings provided by the Unicode 
character database; see

     http://www.unicode.org/Public/4.1.0/ucd/UCD.html

afaik, changing the locale has no influence whatsoever on Python's 
Unicode subsystem.

</F>