b78ef5ebb28048059986be0d46274b74ed7efa2b		branch 'master' of ssh://johan@paard.apt.columbia.edu/home/johan/computer_algebra/surfaces_and_curves
b2d03e7e179f8b1d17a4e64534b6ba75f98dc3a4	not-for-merge	branch 'curves' of ssh://johan@paard.apt.columbia.edu/home/johan/computer_algebra/surfaces_and_curves
