Question: What is the relationship between SGML,HTML , XML and HTML ? Answers: SGML stand for (standard generalizd markup language) is a standard which tells us how to specify document markup. Its only a meta language which describes how a document should be markup. HTML stands for hyper text markup language. HTML is described using SGML. By SGML they created DTD which the HTML refres. So we find "DOCTYPE" attribute at the top of HTML page whcih defines DTD is used for parsing purpose. <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> Simply in short SGML is parent for every one. Older HTML utilize SGML and HTML 4.0 uses XHTML which is derived from XML. QUESTION: What is HTML5? Answers: HTML 5 is new standard for HTML whose main target is to deliver everything without using third party plugins example flash, silver light etc. It provide us facility for attach Animation, vide...
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