熟悉DTD语法,掌握DTD对元素的声明方式以及DTD对属性的声明方式。

天财XML课后作业。熟悉如何针对一个DTD文档写出符合其要求的XML文档，以及熟练根据XML文档写出对其进行规范的DTD文档。

-Familiar with the DTD syntax, to grasp the DTD element declaration and DTD attributes declaratively. Homework of the Tiancai XML. Familiar with how to write a DTD document XML documents that meet their requirements, as well as skilled write its specification DTD document based on the XML document.