Symbologies: corrections from a review against the code and specifications; more uses; undocumented options
EAN-13, UPC-A, EAN-8: Drop the scanner transmission detail; GTIN zero-fill belongs to AI (01)
Symbologies: what each is used for, for finding the right one
A Uses list on twenty-one symbology pages, naming the applications and their
terms (pallet labels and the SSCC, Amazon FNSKU, EU tobacco traceability,
direct part marking, healthcare, boarding passes, driver's licences, Wi-Fi
and payment QR codes, books, periodicals, printed music, outer cartons).
QR Code: the common content formats (ZXing) and the EPC QR Code (EPC069-12).
UPC-A and EAN-13: the same bars for a leading 0, transmitted as ]E0 and
thirteen digits; EAN-8: a GTIN-8 is assigned, not shortened, and transmitted
as ]E4. ITF-14: the bearer frame drawn by default, which GS1 requires when
printing with plates, typically onto corrugated board.
Claude-Session: https://claude.ai/code/session_01LGTUGDTAGf6XqLkN7ptBiD