[("tests/examples/Default37.hs:1:7-43: Suggestion: Use unwords\nFound:\n concat $ Data.List.intersperse \" \" xs\nPerhaps:\n unwords xs\n",[Replace {rtype = Expr, pos = SrcSpan {startLine = 1, startCol = 7, endLine = 1, endCol = 44}, subts = [("x",SrcSpan {startLine = 1, startCol = 42, endLine = 1, endCol = 44})], orig = "unwords x"}])]