UPC.php for #1214 GS1 DataBar produce stickers

CORE-POS / IS4C

Cooperative Operational Retail Environment

http://www.core-pos.com

GNU General Public License v2.0

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Closed flathat closed 6 months ago

flathat commented 6 months ago

Also alerts if GTIN-14 with non-zero first digit when site keeps CheckDigits, making a 14-char upc.