Extended Backus-naur Form Article Index for
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Information About

Extended Backus-naur Form




1. The following conventions are used:
  • Each meta-identifier of Extended BNF is written as one or more words joined together by hyphens;

  • A meta-identifier ending with “-symbol” is the name of a terminal symbol of Extended BNF.

  • 2. The normal character representing each operator of Extended BNF and its implied precedence is (highest precedence at the top):

  • repetition-symbol

  • - except-symbol

, concatenate-symbol