超文本属性集合的一种应用是导航列表，这是XHTML 2.0中新增的一种特性，如清单2所示。

One good use for the Hypertext attribute collection is with navigation lists, a new feature in XHTML 2.0. Listing 2 illustrates.

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清单2在Task映射文件中指定新增域。

Listing 2 Specifying additional field in Task mapping.

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如清单16所示，dosubmit函数的新增部分有点复杂，但仍然易于理解。

As you can see in Listing 16, this added aspect of the doSubmit function is a bit more involved but still easy to comprehend.

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