DTD Reference: Internal |
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An XML document can reference a DTD internally or externally. When specified internally, a DTD is placed within the XML document directly after the prolog. An internal DTD is enclosed within a DOCTYPE element, as shown in the following example: <!DOCTYPE root_element The code snippet on the right displays a complete XML document, which contains an internal DTD. In the code snippet, the DOCTYPE element is followed by the root element, Messages. |
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