B Syntax Notations

The following table lists the syntax notations and their corresponding meaning:

Symbols	Meaning
::=	Indicates is defined as.
|	Indicates alternatives. Separate alternatives using vertical bars. Example: a | b means for a or b.
{rule1 | rule2}	Insert alternatives within curly parenthesis in complex production rules.
[rule]	Indicate options by using square brackets. Example: [ a ] stands for an optional a value.
…	Indicates repetition. Example: a… means rule a can be repeated multiple times.