Each preprocessing token that is converted to a token (2.6) shall have the lexical form of a keyword, an identifier, a literal, an operator, or a punctuator.
Each preprocessing token that is converted to a token (2.6) shall have the lexical form of a keyword, an identifier, a literal, an operator, or a punctuator.
每一个能被转换为标记（2.6）的预处理标记都应具有关键字，标识符，文字量，运算符，或标点的形式。