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Add a missing comma to PEP 617

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Brett Cannon 2020-04-16 15:16:52 -07:00 committed by GitHub
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@ -118,7 +118,7 @@ must be expanded, while a PEG parser will check if the first alternative succeed
and only if it fails, will it continue with the second or the third one in the
order in which they are written. This makes the choice operator not commutative.
Unlike LL(1) parsers PEG-based parsers cannot be ambiguous: if a string parses,
Unlike LL(1) parsers, PEG-based parsers cannot be ambiguous: if a string parses,
it has exactly one valid parse tree. This means that a PEG-based parser cannot
suffer from the ambiguity problems described in the previous section.