luhn-generator
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A generator of numbers that passes the validation of Luhn algorithm or Luhn formula, also known as the 'modulus 10' or 'mod 10' algorithm
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# IANA Language Tags #
[](http://opendefinition.org/)
IANA's [official repository](http://www.iana.org/assignments/language-subtag-registry/language-subtag-registry) is in [record-jar](http://www.inter-locale.com/ID/draft-phillips-record-jar-01.html) format and is hard to parse. This project provides neatly organized JSON files representing that data.
See `data/` for all the JSON files available. The `registry.json` file contains all records in a flat array and `meta.json` contains its metadata. There's a separate JSON file for each 'scope' (e.g. `macrolanguage.json`) and 'type' (e.g. `language.json`). These files contain JSON objects keyed by tag or subtag and with the index integer for the corresponding entry in `registry.json` as a value. This makes lookups fast.
## Updates ##
This project will be updated as the registry changes. Non-breaking updates will result in the patch version number being bumped.
Run `make update` to force an update from the latest official IANA-hosted version. The registry file format is converted to JSON automatically and the files in `data/` are updated.
If there are changes, please make a pull request.
## Usage ##
See [language-tags](https://github.com/mattcg/language-tags) for a Javascript API.
## Credits and collaboration ##
The JSON database is licensed an [Open Data Commons Attribution License (ODC-BY)](http://opendatacommons.org/licenses/by/1.0/).
Comments, feedback and suggestions are welcome. Please feel free to raise an issue or pull request. Enjoy.