What is the difference between HTML XHTML and XML?
|HTML is HyperText Markup language||XHTML is Extensible HyperText Markup Language||XML is Extensible Markup Language|
|HTML is used to create structured documents||It serves the same function as HTML but with the same rules as XML documents||XML provides rules for creating, structuring, and encoding documents.|
|Filename extensions are .html or htm.||Filenames extensions are .xhtml, .xht, .xml.||Filenames extensions are .xml.|
|Various versions of HTML are HTML2, HTML3.2, HTML4.0 and HTML5.||Various Versions of XHTML are XHTML1,XHTML1.1, XHTML2, XHTML5.||Various Versions of XML are XML1.0|
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