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vendor/behat/gherkin/CONTRIBUTING.md

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+Contributing
+------------
+
+Gherkin is an open source, community-driven project. If you'd like to contribute, feel free to do this, but remember to follow this few simple rules:
+
+- Make your feature addition or bug fix,
+- Always use the `master` branch as base for your changes (all new development happens in `master`),
+- Add tests for those changes (please look into `tests/` folder for some examples). This is important so we don't break it in a future version unintentionally,
+- Commit your code, but do not mess with `CHANGES.md`,
+- __Remember__: when you create Pull Request, always select `master` branch as target (done by default), otherwise it will be closed.
+
+Running tests
+-------------
+
+Make sure that you don't break anything with your changes by running:
+
+```bash
+$> phpunit
+```
+
+Contributing to Gherkin Translations
+------------------------------------
+
+Gherkin supports →40 different languages and you could add more! You might notice
+`i18n.php` file in the root of the library. This file is downloaded and **autogenerated**
+from original [cucumber/gherkin translations](https://github.com/cucumber/cucumber/blob/master/gherkin/gherkin-languages.json).
+So, in order to fix/update/add some translation, you should send Pull Request to the
+`cucumber/gherkin` repository. `Behat\Gherkin` will redownload/regenerate translations
+from there before each release.
+
+It might sounds difficult, but this way of dictionary sharing gives you ability to
+migrate your `*.feature` files from language to language and library to library without
+the need to rewrite/modify them - same dictionary (Gherkin) used everywhere.