For example, you can use this method to get rid of comments, to transform CDATASection nodes into Text nodes, or to discard all the namespace declaration attributes from the tree.
例如，可以使用这个方法去掉注释，将CDATASection节点转换为Text节点，或者放弃树中所有命名空间声明属性。
For example, you can use this method to get rid of comments, to transform CDATASection nodes into Text nodes, or to discard all the namespace declaration attributes from the tree.
例如，可以使用这个方法去掉注释，将CDATASection节点转换为Text节点，或者放弃树中所有命名空间声明属性。
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