patch applied (cabal): Change the checking of new language extensions

Sun Dec 7 12:23:15 PST 2008 Duncan Coutts * Change the checking of new language extensions Check for new language extensions added in Cabal-1.2 and also 1.6. Simplify the checking of -X ghc flags. Now always suggest using the extensions field, as we separately warn about new extenssons. M ./Distribution/PackageDescription/Check.hs -25 +54 View patch online: http://darcs.haskell.org/cabal/_darcs/patches/20081207202315-adfee-a41be0764...