darcs-hash:20090225040351-a4fee-c061eed83f2d97c98a4ed56e75f58c4bf0f9b057
This envolves adding the requirement, that every Encoding must also be an instance of Eq and Typeable to go into DynEncoding. darcs-hash:20090225035150-a4fee-c7d902e28313929ee9ffe0c6a6b60d8ff4704ae9
darcs-hash:20090223182459-a4fee-98ced8f8b7bac594dc6510eeecb6bea8c51a6090