Now it's possible to change the character encoding while de-/encoding.
Also, it's possible to use any data structure as a source or target of the de-/encoding process.
darcs-hash:20090221203100-a4fee-6da31f2e37c30a3f5cd5f10af71984209488bb0b
This is a bit of a hack, because the static lookup data this encoding requires brings template haskell to it's knees. So I've got a program that generates a haskell module file from the XML mapping.
darcs-hash:20070823034759-a4fee-883359c8951d4376fc2d783cd7be352d6c5b2111
