As the name implies, you can use this method to normalize the document. By default, this method does the following.

从方法名可以看出，您可以使用这个方法来标准化文档。

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Usually, too, the title becomes the default name for a link to the document if the document is added to a link collection or to a user's favorites or bookmarks list.

同样，当把文档加入用户的链接列表或者收藏夹或书签列表中时，标题将成为该文档链接的默认名称。

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If the document being imported into defines default attributes for this element name, those are assigned.

如果导入到的文档定义该元素名称的默认属性，则分配这些默认属性。

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