Merge branch 'master' of http://darcs.haskell.org/ghc

compiler/basicTypes/MkId.lhs

compiler/basicTypes/OccName.lhs

compiler/deSugar/Check.lhs

compiler/deSugar/DsArrows.lhs

compiler/deSugar/DsMeta.hs

compiler/hsSyn/HsBinds.lhs

compiler/hsSyn/HsDecls.lhs

compiler/hsSyn/HsPat.lhs

compiler/hsSyn/HsTypes.lhs

compiler/hsSyn/HsUtils.lhs

compiler/iface/BinIface.hs

compiler/iface/BuildTyCl.lhs

compiler/iface/IfaceSyn.lhs

compiler/iface/MkIface.lhs

compiler/iface/TcIface.lhs

compiler/main/DynFlags.hs

compiler/main/HscStats.lhs

compiler/main/HscTypes.lhs

compiler/parser/Lexer.x

compiler/parser/Parser.y.pp