pegjs/pegjs

### PR type

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- **Bug fix (non-breaking change which fixes an issue):**
- **New feature (non-breaking change which adds functionality):**
- **Breaking change (fix or feature that would cause existing functionality to change):**
- **Documentation change:**

### Prerequisites

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- **I have read the [CONTRIBUTING.md](CONTRIBUTING.md) document:**
- **I have updated the documentation accordingly:**
- **I have added tests to cover my changes:**

### Description

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