[issue31900] localeconv() should decode numeric fields from LC_NUMERIC encoding, not from LC_CTYPE encoding

[Stefan Krah]

Stefan Krah <stefan at bytereef.org> added the comment:

On Mon, Jan 15, 2018 at 12:37:28PM +0000, Marc-Andre Lemburg wrote:
> If you first set LC_ALL and then one of the other categories such as LC_NUMERIC, locale C functions will still use the LC_ALL setting for everything. LC_NUMERIC does not override the LC_ALL setting.

I have the exact same questions as Marc-Andre.  This is one of the reasons why I
blocked the _decimal change.  I don't fully understand the role of the new glibc,
since #7442 has existed for ages -- and it is a open question whether it is a bug
or not.

Both views are reasonable IMO.

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<https://bugs.python.org/issue31900>
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