diff -r 3d1dc7aeca39 -r b3ba69692f8a tests/test-ancestor.py.out
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-ancestor.py.out	Tue Dec 11 14:47:33 2012 -0800
@@ -0,0 +1,36 @@
+% ancestors of [] and not of [1]
+[]
+% ancestors of [] and not of []
+[]
+% ancestors of [12] and not of []
+[0, 1, 2, 4, 6, 7, 9, 12]
+% ancestors of [0] and not of [0]
+[]
+% ancestors of [4, 5, 6] and not of [6, 5, 4]
+[]
+% ancestors of [-1] and not of [12]
+[]
+% ancestors of [12] and not of [-1]
+[0, 1, 2, 4, 6, 7, 9, 12]
+% ancestors of [12] and not of [9]
+[12]
+% ancestors of [9] and not of [12]
+[]
+% ancestors of [12, 9] and not of [7]
+[6, 9, 12]
+% ancestors of [7, 6] and not of [12]
+[]
+% ancestors of [10] and not of [11, 12]
+[5, 10]
+% ancestors of [11] and not of [10]
+[3, 7, 11]
+% ancestors of [11] and not of [10, 12]
+[3, 11]
+% ancestors of [12] and not of [10]
+[6, 7, 9, 12]
+% ancestors of [12] and not of [11]
+[6, 9, 12]
+% ancestors of [10, 11, 12] and not of [13]
+[0, 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12]
+% ancestors of [13] and not of [10, 11, 12]
+[8, 13]