上面的插图给我们展现了,列表的内部GUID。
The illustration above shows us the internal GUIDs of the Lists.
对于本文的目标,这里作出的假设基于我与客户打交道的经验——即用附加值扩展现有枚举列表的需求。
For the purposes of this article, the assumptions come from my experience with clients-namely, a desire to extend an existing enumerated list with additional values.
XML模式设计者和实现人员需要一种方法来扩展现有的枚举列表。
XML schema designers and implementers need a way to extend existing enumerated lists.
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