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What is Backus-Naur Form?
Its a bassicslly metalanguage used to formally describe the syntax of a language. Backus-Naur Form (BNF) is a metasyntax used to express context-free grammars, It is a formal way to describe formal languages. John Backus and Peter Naur developed a context free grammar to define the syntax of a programming language by using two sets of rules, Which is :
> lexical rules and 
> syntactic rules.
Posted By: Name:Rajesh Kr URL: What is Backus-Naur Form?