open-standards/wai/live-conformance/prior-forms/.gitattributes
Transaction Science d7037c7c7b wai: prior-forms corpus — README, independent Python verifier, and the NNC subset measured against an open implementation
prior_forms_verify.py implements prior-carriage §9 to §12 and Appendix A
from the text (strict readers, canonical writers, the arithmetic coder both
ways, both bindings) and agrees with wai-rs on every vector; it also flips
bytes of every accepted file and requires each copy to be caught.

§12.4 records the measurement: an open implementation of ISO/IEC 15938-17
reads our NNC files to the same integers, its encoder writes byte-identical
data units, and our reader reads its bitstreams. tools/nnc_interop_check.py
is the check; it runs that implementation's code and is not a CI step.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
2026-10-22 07:27:56 -04:00

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