Making a start on cleaning up Darcs.Patch.V1.Commute
2 patches for repository http://darcs.net/screened:
Tue Oct 5 18:03:16 BST 2010 Ganesh Sittampalam <ganesh@earth.li>
* remove unused export
Tue Oct 5 18:03:26 BST 2010 Ganesh Sittampalam <ganesh@earth.li>
* move conflict marking out into separate module