HTML 4 Document Type Definition

<!-- This is HTML 4.01 Strict DTD, which excludes the presentation attributes and elements that W3C expects to phase out as support for style sheets matures. Authors should use the Strict DTD when possible, but may use the Transitional DTD when support for presentation attribute and elements is required. HTML 4 includes mechanisms for style sheets, scripting, embedding objects, improved support fo

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「This is HTML 4.01 Strict DTD」