Any empty header, such as Meta-Persistence above, must include a single space after the colon.

任何空白头部，比如上面提到的Meta -Persistence，必须在冒号之后包含一个空格。

youdao

Any empty header, such as Meta-Persistence above, must include a single space after the colon.

任何空白头部，比如上面提到的Meta -Persistence，必须在冒号之后包含一个空格。

youdao