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(term {WHERE {binder}}) | |
:where | |
:rule binder (RULE ident term | TOKENS {ident}) | |
:where | |
:rule term (ident | char | '[' choice ']' | '{' choice '}' | '(' choice ')') | |
:rule choice (sequence {'|' sequence}) | |
:rule sequence (term {term}) | |
:where | |
:tokens WHERE RULE TOKENS ident char |
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