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  "Description": "Provides validation functions for common interchange\nformats for representing text data in R. Includes formats for\ncorpus objects, document term matrices, and tokens. Other\nannotations can be stored by overloading the tokens structure.",
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      "title": "tif: Text Interchange Formats",
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        "tif"
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      "title": "Coerce Between tif Object Specifications",
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