[cvs-nhc98] patch applied (hat): Fix import/hiding/re-export bug + formatting tidy-up.

Thu Mar 22 10:34:28 PST 2001 malcolm * Fix import/hiding/re-export bug + formatting tidy-up. Compiling the following module: module B (x) where import A hiding (x) import qualified A x = ... A.x ... led to an incorrect interface file, where both B.x and A.x were exported. M ./src/compiler98/PreImport.hs -66 +95