GetPublicId returns the public identifier for the current document event.
getPublicId返回当前文档事件的公共标识。
The section in blue is called the public identifier, the green part is the system identifier, which is a URI.
蓝色的部分是公有标识符；绿色的部分是系统标识符，它是个URI。
Lastly, the DOCTYPE entry allows us to refer to a particular DTD without using the formal public identifier or an actual filename.
最后，DOCTYPE项允许我们引用特殊DTD，而不需要使用正式公共标识或实际的文件名。
You cite the public identifier of the subject with the subjectdef element and identify the subject definition format with the format attribute.
使用subjectdef元素引用主题的公开标识，并用format属性指定主题定义格式。
The internal subset is part of the declaration, after the PUBLIC and/or SYSTEM identifier for your DTD and inside a bracketed section.
声明的一部分，位于DTD 的PUBLIC和/或SYSTEM标识符之后的方括号中。
The internal subset is part of the declaration, after the PUBLIC and/or SYSTEM identifier for your DTD and inside a bracketed section.
声明的一部分，位于DTD 的PUBLIC和/或SYSTEM标识符之后的方括号中。
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