因为已经有了对Schematron消息应用相关性的数据绑定，所以可以使用output元素上的bind属性将每个控件与一个消息绑定在一起，见清单6。

Because data bindings already exist for applying relevance to the Schematron messages, you can use the bind attribute on the output elements to associate each with a message, as in Listing 6.

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