xml上机考试整理资料

&student1; &student2;

a.xml:

李华

&skill1; &skill2; b.xm

倪冰

&skill1; &skill2; &skill3;

4.将下面的的DTD文件运用参数实体的引用进行简化

(1)Public1.dtd:

(2)Public2.dtd:

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