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Mon Dec 29 12:47:39 EST 2003 · https://mail.python.org/pipermail/python-dev/2003-December/041471.html

> This post caused me to notice the following behavior.  Is it "right"?
> 
> >>> import locale
> >>> locale.setlocale(locale.LC_CTYPE, "tr_TR")
> 'tr_TR'
> >>> locale.getlocale()[1]  # Expected charset
> 'ISO8859-9'
> >>> "I".lower()   # Expected behavior
> '\xfd'
> >>> u"I".lower()  # Python bug? (should be u'\u0131')
> u'i'

Why?  Unicode strings are not affected by the locale.

> >>> locale.setlocale(locale.LC_CTYPE, "tr_TR.UTF-8")
> 'tr_TR.UTF-8'
> >>> "I".lower()   # C library bug? (should be "\xc4\xb1")*
> 'I'
> >>> locale.setlocale(locale.LC_CTYPE, "en_US.UTF-8")
> 'en_US.UTF-8'
> >>> "I".lower()   # (UTF-8 locale works properly in english)
> 'i'

I have no idea what adding UTF8 to the local means.  Is this something
that Python's locale-awareness does or is it simply recognized by the
C library?

--Guido van Rossum (home page: http://www.python.org/~guido/)

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[Python-Dev] str.ascii_lower