分隔号有斜线、竖线和单线、复线等多种形式，用途广泛，各语言单位除需要间隔号分隔者外，多用分隔号分隔。
n. separatrix
注意我们将路径分隔号从反斜杠变成了斜杠。
Note that we've changed from backslashes to slashes as a path separator.
除了数值之外，逗号也被标记为一个分组分隔符，百分号被标记为一个百分数。
Besides the Numbers, the comma is also flagged as a grouping separator and the percent sign is flagged as a percent.
注意，令牌(202)后定义的分隔符，可以是一个句点接一个空格，也可以是一个破折号接一个空格。
Notice that the delimiter after the token (202) is defined as either a period followed by a space, or as a dash followed by a space.
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