hscSourceString' dflags mod HsigFile =
     "[" ++ (maybe "abstract sig"
               (("sig of "++).showPpr dflags)
               (getSigOf dflags mod)) ++ "]"
hscSourceString' dflags mod HsigFile =
     "[" ++ (maybe "abstract sig"
               (("sig of "++).showPpr dflags)
               (getSigOf dflags mod)) ++ "]"
hscSourceString' dflags mod HsigFile =
     "[" ++ (maybe "abstract sig"
               (("sig of "++).showPpr dflags)
               (getSigOf dflags mod)) ++ "]"