Sun, 03 Nov 2019 15:45:46 +0100 wenzelm clarified signature -- more options;
Sun, 03 Nov 2019 10:29:01 +0000 paulson merged
Sat, 02 Nov 2019 21:42:45 +0000 paulson moved line segments to Convex_Euclidean_Space
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 tip