NOTICE

xtQRdecoder — an xTalk port of the ZXing QR decoder
Copyright 2026 Seth Morrow

This product includes software derived from the following projects:

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ZXing ("Zebra Crossing")
  https://github.com/zxing/zxing
  Copyright 2007-present ZXing authors
  Licensed under the Apache License, Version 2.0.

  xtQRdecoder is a line-for-line port of the ZXing QR Code detector/decoder.
  The algorithms, data tables, and module structure are derived from ZXing.
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khanamiryan/php-qrcode-detector-decoder
  https://github.com/khanamiryan/php-qrcode-detector-decoder
  Copyright Ashot Khanamiryan and contributors
  Dual-licensed under Apache-2.0 / MIT.

  xtQRdecoder was ported directly from this PHP transliteration of ZXing, which
  is the line-level authority for the port's behavior.
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The golden test fixtures in qr/fixtures/ originate from the upstream
khanamiryan/php-qrcode-detector-decoder test suite and remain under that
project's license. They are included solely to verify decode fidelity.

This NOTICE file is provided for attribution purposes in accordance with
Section 4(d) of the Apache License, Version 2.0. It does not modify the
License.