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Document type declaration The HTML page should include the document type declaration, which is a reference to the HTML standard being used, in order to specify which coding standard the page employs.
The most basic of HTML conventions is the inclusion of a document type declaration at the beginning of the text file. This always comes first in the document, because it is the piece that ...
Every web page must declare a document type, or “DOCTYPE”. This line of code begins an HTML document and tells a validator what version of HTML or XHTML to use when checking the syntax and ...
For beginners, the first thing that's different is the document type declaration sentence. While you can simply use <!doctype html> for HTML5 document type declaration, XHTML> has this as it's ...
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