带重音符号的字符通常都是以一种特殊的方式处理；有些语言会将两个字符的特定序列视为一个字母进行排序(比如，捷克语和传统西班牙语中的ch)。

Characters with accents are usually treated in a special way; some languages treat selected sequences of two characters as one letter for sorting (for example, ch in Czech and traditional Spanish).

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