Document type definition

Document type definition

A Document Type Definition (DTD) is a document that allows a program, such as a [[web browser]], to properly parse a markup language that is formatted according to a specific use. [[HTML]] and its [[XML]]-based brother [[XHTML]] are probably the most common DTDs today, supplying web browsers with the guidelines for properly rendering web page elements.

Further Reading

[[http://www.w3.org/TR/REC-html40/sgml/dtd.html| W3C Definition of DTD]]

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