HTML has a fixed set of element types, for example TITLE, H1, H2, EM, BODY, P, HR, and so on. A
valid HTML document must use these elements.
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A
valid URL may start with "http://" or "www" or just the domain name (i.e., "about-the-web.com").
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It provides a means of checking that the addresses you have entered are in the correct format. It does not check to see if
the address is a
valid one.
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INTERNET
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MCLH
06/10/2011
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