There are some i18n related patches in this page.

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1. Cal

On util-linux-2.11l, cal uses wide char to handle string if possible.
But when you use some locales using multibyte character, there may be some troubles. (see below picture)
It's because multibyte character cannot be treated byte == column .
Cal uses wcslen to caluculate column size, but we must use wcswidth to caluculate it.