尽管那些文档规则不太正式，但几乎所有第三方的模块和标准模块的文档都使用相同的模式。

Despite the informality of the documentation rules, almost all third-party and standard modules use the same patterns. Let's look at a simplistic example that USES most of the elements.

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它使用两个目录：文档目录和规则目录。

Rather it USES two directories: the document directory and the rules directory.

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XML文档确认规则整体上仍处于混乱状态。

The whole state of XML document validation rules remains messy.

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