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# Some notes about gparser.pest
## COMMENT and WHITESPACE
The Pest book at https://pest.rs/book/grammars/syntax.html says:
> Many languages and text formats allow arbitrary whitespace and comments between logical tokens.
> For instance, Rust considers 4+5 equivalent to 4 + 5 and 4 /* comment */ + 5.
> The optional rules WHITESPACE and COMMENT implement this behaviour. If either (or both) are defined,
> they will be implicitly inserted at every sequence and between every repetition (except in atomic rules).
Therefore COMMENT and WHITESPACE are defined in `gparser.pest`.
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