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The global structure of an HTML document - World Wide Web Consortium (W3C)

The global structure of an HTML document - World Wide Web Consortium (W3C)

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日期:2024-07-09
7.2 HTML version information A valid HTML document declares what version of HTML is used in the document. The document type declaration names the document type definition (DTD) in use for the document (see [ISO8879]). HTML 4.01 specifies three DTDs, so .....看更多