map -package:containers -package:bytestring -package:blaze-html -package:case-insensitive -package:base-compat -package:ghc -package:conduit -is:exact -package:monoidal-containers -package:invertible -package:base -is:exact -package:dlist -package:filepath package:charset

map :: (Char -> Char) -> CharSet -> CharSet
charset Data.CharSet