A DTD can be declared inline in your XML document, or as an external reference.
A DTD can be declared inline in your XML document, or as an external reference.
一份DTD可以在XML文件内部声明或者作为外部参数声明。
A DTD can be declared inline in your XML document, or as an external reference.
一份DTD可以在XML文件内部声明或者作为外部参数声明。