patch applied (cabal-branches/cabal-1.4): Add PackageIndex.delete

Tue May 6 06:16:03 PDT 2008 Duncan Coutts * Add PackageIndex.delete We occasionally need to remove packages from an index eg to restrict the choices of a dependency resolver. M ./Distribution/Simple/PackageIndex.hs -1 +14 View patch online: http://darcs.haskell.org/cabal-branches/cabal-1.4/_darcs/patches/20080506131...