[cvs-nhc98] Merge from stable-1-06-branch.

malcolm: Tue Sep 11 19:26:28 CEST 2001 Update of /usr/src/master/nhc/src/prelude/Array In directory hinken:/tmp/cvs-serv13502/Array Modified Files: AIndex.hs AMap.hs Accum.hs AccumArray.hs Assocs.hs Bounds.hs DArray.hs Elems.hs Eq_Array.hs Indices.hs IxMap.hs ListArray.hs Makefile Ord_Array.hs Read_Array.hs Replace.hs Show_Array.hs Log Message: Merge from stable-1-06-branch. Move class Ix out of Prelude into Ix library. (But undo the change whereby Ord was dropped as a superclass of Ix.)