-import Maybes ( Maybe(..) )
-import Name ( mkLocalName, Name, RdrName(..) )
-import Pretty ( Pretty(..), PrettyRep, ppBeside, ppPStr )
-import PprStyle ( PprStyle )
-import Outputable ( Outputable(..), NamedThing(..), ExportFlag(..) )
-import SrcLoc ( mkUnknownSrcLoc, SrcLoc )
+import Name ( mkSysLocalName, changeUnique, Name, NamedThing(..) )
+import Pretty ( Doc, (<>), ptext )
+import Outputable ( PprStyle(..), Outputable(..) )
+import SrcLoc ( noSrcLoc, SrcLoc )