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@@ -132,6 +132,13 @@ Please follow these guidelines:
9. It is better not to introduce new dependencies. Dependencies on
external C libraries should especially be avoided.
+10. We aim for compatibility with ghc versions from 7.4.2 to the
+ latest release. All pull requests and commits are tested
+ automatically on travis-ci.org, using several GHC versions.
+ We currently relax the "`-Wall` clean" requirement for GHC 7.10.x,
+ because there are so many warnings relating to the addition of
+ type classes to the Prelude.
+
Tests
-----