Introduction to character codes and collation.
字符编码和排列法简介。
Obviously a character-by-character comparison using the standard collation says these are not equal, so you'll need to use a custom collation.
显然使用逐字符比较的标准排序法肯定会说两者不同，因此需要使用自定义的排序法。
The setlocale call determines the character set, error messages catalogs, monetary value formatting, numerical conventions, string collation, and alphabetic ordering.
可以调用setlocale来确定字符集、错误消息类别、货币值格式、数字转换、字符串校勘和字母排序。
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