import Outputable
import BreakArray
import SrcLoc ( SrcSpan, Located )
-import UniqFM ( lookupUFM, eltsUFM, emptyUFM )
+import LazyUniqFM ( lookupUFM, eltsUFM, emptyUFM )
import UniqSupply ( UniqSupply )
-import FastString ( FastString )
+import FastString
import StringBuffer ( StringBuffer )
import System.FilePath