注意转换将产生一个警告,因为模型没有指定目标命名空间,而这是模式的一个要求。
Note that the transformation will generate a warning because the model does not specify a target namespace, a requirement for the schema.
模式设计的目标是尽可能利用已有的模式,并提供外部模式修改,以建立目标混合名称空间文档的模型。
The goal of schema design is to leverage existing schemas as much as possible and to provide external schema changes to build a model of the desired mixed-namespace document.
any元素也可用于这样的场合:其他未知内容模型是有效的,其验证可由模式和该元素的名称空间内容来处理。
The any element also enables certain scenarios where other unknown content models are valid, and their validation can be handled by the schema associated with that element's namespace content.
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