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AltoVersionEnum enumeration constants are used to denote format version of the exported ALTO file. 
typedef enum {
 AV_Version_20,
 AV_Version_21,
 AV_Version_30,
 AV_Version_31,
 AV_Version_40,
 AV_Version_41,
 AV_Version_42
} AltoVersionEnum;

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Elements

NameDescription
AV\_Version\_20The version of the exported ALTO file format is 2.0.
AV\_Version\_21The version of the exported ALTO file format is 2.1.
AV\_Version\_30The version of the exported ALTO file format is 3.0.
AV\_Version\_31The version of the exported ALTO file format is 3.1.
AV\_Version\_40The version of the exported ALTO file format is 4.0.
AV\_Version\_41The version of the exported ALTO file format is 4.1.
AV\_Version\_42The version of the exported ALTO file format is 4.2.

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Used in

IAltoExportParams::AltoVersion