isHaskellishSuffix, isHaskellSrcSuffix, isCishSuffix,
    isHaskellUserSrcSuffix, isHaskellSigSuffix
 :: String -> Bool
isHaskellishSuffix     s = s `elem` haskellish_suffixes
isHaskellishSuffix, isHaskellSrcSuffix, isCishSuffix,
    isHaskellUserSrcSuffix, isHaskellSigSuffix
 :: String -> Bool
isHaskellishSuffix     s = s `elem` haskellish_suffixes
isHaskellishSuffix     s = s `elem` haskellish_suffixes