The Metamorphic Programming Extension to Haskell COPYRIGHT (C) 1998 by Martin Erwig (A) You may freely use, copy, and modify the included source files. (B) You may distribute this software provided that (1) you always include this copyright notice (2) you do not change, omit, or add any parts without notifying me (I would like to keep track of different versions) (3) you do not take money for it