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Doctype

Doctype Declaration

The doctype of a webpage indicates what version of HTML (or equivalent) the browser should use to interpret the document.

For example, a doctype of HTML1.1/Loose must be interpreted using that particular ruleset.

Each doctype in common usage has a particular document type declaration at w3.org (the one for HTML1.1/Loose is at http://www.w3.org/TR/html4/loose.dtd). This is similar to the way in which XML allows you to create your own .dtd rulesets to describe XML data.

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