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2010/1/11 Roberto Ierusalimschy <>:
>> Is there a page (or, perhaps the mailing list post), which describes
>> official and current position of Lua authors on UTF-8 support in Lua
>> core libraries?
> Our position is that, in Lua, UTF-8 is better supported by external
> libraries. Note that, except for the string library, all other
> standard libraries in Lua (and the language itself) should work
> without problems in UTF-8.

The io library is dependent on the platform support for UTF-8 locales.
And AFAIK this implies no unicode filenames on Windows (which is kind
of Windows fault, since it has Unicode support but no UTF-8 locales).