The document type declaration contents are worth looking at in detail.
值得仔细查看一下文档类型声明的内容。
All comments, the XML declaration, and the document type declaration MUST be removed.
所有的注释、XML声明、以及文档类型声明，都必须删除。
It turned out that eXist didn't resolve the relative URL used in the document type declaration.
这表明eXist没有解析文档类型声明中使用的相对url。
If repeated validation isn't required, you can remove the document type declaration when the document is stored.
如果需要重复进行有效性验证，那么可以在存储文档时删除文档类型声明。
For yet another declarative example, consider a document type declaration that describes a dialect of valid XML documents.
还有另一个声明性示例，请研究描述有效XML文档方言的文档类型声明。
After document type declaration, the remainder of an HTML document is contained by the HTML element. Thus, a typical HTML document has this structure.
在文档类型声明之后，HTML文档的剩余部分由HTML元素承载，一个典型的HTML文档拥有如下结构。
This method is particularly useful when processing element-only content (that is, elements declared as EMTPY in the Document Type Declaration, or DTD).
该方法在处理纯元素(即文档类型声明DTD中声明为EMPTY的元素)内容时尤其有用。
These rules are stored in a separate document called a document Type Declaration (DTD), and are utilized to validate the accuracy of the XHTML document structure.
这些规则存储在一个称为“文档类型声明(Document Type Declaration (DTD))”的单独文档中，并且使用这些规则验证XHTML文档结构的准确性。
For the sake of brevity, most of the examples in this specification do not begin with the document type declaration that is mandatory at the beginning of each HTML document.
为了保持简洁，尽管HTML DTD要求每个文档都要以文档类型声明开头，本规范绝大部分的例子都没有对文档类型声明进行了省略。
The display of Listing 2 is precisely the same as that of Listing 1, so the XML declaration, document type declaration and namespace declarations are all omitted from the display.
清单2的显示与 清单1的显示完全一样，所以显示中忽略了XML声明、文档类型声明和名称空间声明。
Notice the document type declaration, which is used to load a DTD, which contains any strings that should be localized (basically any natural language strings presented to the user).
请注意文档类型声明，它用于加载一个DTD，其中包含所有应进行本地化的字符串（基本上包括呈现给用户的所有自然语言字符串）。
Notice the document type declaration, which is used to load a DTD, which contains any strings that should be localized (basically any natural language strings presented to the user).
请注意文档类型声明，它用于加载一个DTD，其中包含所有应进行本地化的字符串（基本上包括呈现给用户的所有自然语言字符串）。
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