---+ Contact Please do *|NOT use these addresses for "How do I ... in Prolog"|*. Use the [forum](), [Usenet](), [stackoverflow](http://stackoverflow.com/questions/tagged/swi-prolog), the Links.txt or [Google](http://www.google.com) to find answers. The General enquiries E-mail is intended for issues such as [[licensing][license.txt]], cooperation opportunities, comments, suggestions, etc. * E-mail [[General enquiries][]] * E-mail [[Bug reports][]] or (better) use the [issue tracker](https://github.com/SWI-Prolog/issues/issues) at GitHub. ## PGP signature In cases where PGP signing or encryption is required, [here]() is our PGP public key, signed by Jan Wielemaker . When in doubt on the authenticity of the key, please contact us using the above address.