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- A Data Matrix code (ISO/IEC 16022) is a two-dimensional matrix barcode
- arranged in a square or rectangular format and of various sizes. It can
- encode text or numeric data (with punctuation marks in some variants),
- and supports various error-correction codes.
- iec16022 is a library and tool to produce these barcodes. It can output
- in various formats including ASCII, UTF-8, EPS and PNG.
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