If you have or are planning to use a DTD or schema, you will probably prefer a validating parser.

如果您已经或者正在计划使用DTD或模式，您也许会首选验证解析器。

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If you are working without a formal DTD or schema, validation features won't be important to you.

如果您不使用正式的DTD或模式，验证特性对于您来说并不重要。

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Still, there will be pieces of the code you can't validate with a DTD or schema.

尽管如此，还有多段代码不能用DTD或模式进行验证。

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