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26.2. Notation and Terminology

This chapter uses the following notation:

  • | separates two alternatives.

  • [ something ] indicates that something is optional: it may or may not be given.

  • ( group )* means that group inside the parentheses may repeat zero or more times.

  • ( group )+ means that group inside the parentheses may repeat one or more times.

  • "string" means a literal string.

 
 
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