如果正在处理已格式化的字符串，则需要特别注意空格问题。

If you are dealing with the formatted string, you need to pay special attention to the blank space issue.

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注意：标签名称中避免出现空格；否则，引导那个文件时会出现无法预期的错误。

Note: Avoid spaces in the label name; otherwise, you will get an unexpected error when loading the file.

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仔细研究二者的差别，尤其要注意加引号的形式和包含空白(如空格字符和换行符)的参数。

Study the differences carefully, particularly for the quoted forms and the parameters that include white space such as blanks or newline characters.

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