[cvs-nhc98] patch applied (hat): Use cpp-hackery to massage the differences in the API of Data.Set between

Tue Jan 31 03:25:32 PST 2006 malcolm * Use cpp-hackery to massage the differences in the API of Data.Set between ghc-6.2.x and ghc-6.4.x. M ./src/hattools/Pretty.hs -12 +28