Define a DOM element to be used as the sandbox. This element can be a simple standard declaration.

定义一个DOM元素，将其用作沙箱。

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An internal function is a standard function where the function body follows the function declaration.

内部函数是函数体紧跟函数声明之后的标准函数。

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Canonicalization creates a standard representation of XML, addressing issues like the tag representation, attribute ordering, namespace declaration, expansion and ordering, and white space handling.

规范化创建了一个标准的XML表示，用来解决诸如标记表示法、属性分类、名称空间声明、扩展和分类以及空白空间的处理等问题。

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