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+This package contains the Control.Monad.Fail module providing the MonadFail
+class that became available in base- for older base package versions.
+This package turns into an empty package when used with GHC versions which
+already provide the Control.Monad.Fail module to make way for GHC's own
+Control.Monad.Fail module.
+After uninstalling, run this command to unregister the package from
+the ghc package database: ghc-pkg recache