在所有版本控制方法中，值得一试的是更改模式类型的命名空间，以防止不同版本间的类型混淆。
In all versioning approaches, it is worthwhile changing the namespaces of the schema types to prevent type confusion between different versions.
而在调试模式中构建则不会调用混淆器，因为那样调试会更加繁重。
Building in debug mode does not invoke ProGuard, because it makes debugging more cumbersome.
模式定义和 XSLT 样式表可能会将其语言的元素和属性同其它名称空间的元素和属性混淆，所以需要前缀。
Schema definitions and XSLT stylesheets may intermix the elements and attributes of their language with elements and attributes from other namespaces, so prefixes are needed.
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