-import Subst ( Subst, mkSubst, substTy, mkSubst, substBndrs, extendSubstList, mkInScopeSet,
- substId, substAndCloneId, substAndCloneIds, lookupIdSubst, substInScope
+import Subst ( Subst, mkSubst, substTy, mkSubst, extendSubstList, mkInScopeSet,
+ simplBndr, simplBndrs,
+ substAndCloneId, substAndCloneIds, substAndCloneRecIds,
+ lookupIdSubst, substInScope