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+All contributions are welcome! We follow this
+[code of conduct](https://www.contributor-covenant.org/version/1/4/code-of-conduct) in Mercury.
+Regarding pull requests, please check and make sure that you agree to the following
+[Developer's Certificate of Origin 1.1](https://elinux.org/Developer_Certificate_Of_Origin)
+policy we use.
+
+This basically means that you pledge yourself to be kind with others.
+You also state that you own the patches you send and you give them to us. ;-)