Listing 10: Hiding BookType as a local type.

清单10：隐藏booktype作为本地类型。

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The BookType enumeration, which we've already discussed.

BookType枚举，上文已经讨论过了。

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In the examples in Table 1 and Listing 9, BookType is global and can be used to declare other elements.

在表1和清单9所示的例子中，BookType是全局性的，可用于声明其他元素。

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In the examples in Table 1 and Listing 9, BookType is global and can be used to declare other elements.

在表1和清单9所示的例子中，BookType是全局性的，可用于声明其他元素。

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