White space can appear within a preprocessing token only as a part of a header name or between the quotation characters in a character literal or string literal.
仅当作为头名称的一部分，或在字符文字量或字符串文字量的引号字符之间时，空白才可以出现在预处理标记内部。
A preprocessing token is the minimal lexical element of the language in translation phases 3 through 6.
预处理标记是语言从第3到第6阶段中最小的词法元素。
A preprocessing token is the minimal lexical element of the language in translation phases 3 through 6.
预处理标记是语言从第3到第6阶段中最小的词法元素。
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