-- others:
import Id ( GenId, dataConSig )
import Maybes ( maybeToBool )
-import Outputable
+import Name ( pprOp, pprNonOp )
+import Outputable ( interppSP, interpp'SP, ifPprShowAll )
import PprStyle ( PprStyle(..) )
import Pretty
import TyCon ( maybeTyConSingleCon )