diff -r 761793cce563 -r c2d36c3cf8ad progs/tests/osx-bsd-critical.txt
--- a/progs/tests/osx-bsd-critical.txt	Thu Jun 09 12:31:02 2016 +0100
+++ b/progs/tests/osx-bsd-critical.txt	Fri Jun 10 23:53:46 2016 +0100
@@ -1,11 +1,11 @@
-1	(()|.)(b)	ab	(0,2)(0,1)(?,?)(1,2)
--1	(()|.)(b)	ab	(1,2)(1,1)(1,1)(1,2)
-2	(()|[ab])(b)	ab	(0,2)(0,1)(?,?)(1,2)
--2	(()|[ab])(b)	ab	(1,2)(1,1)(1,1)(1,2)
-3	(()|[ab])+b	aaab	(0,4)(2,3)(?,?)
--3	(()|[ab])+b	aaab	(3,4)(3,3)(3,3)
-11	(.|())(b)	ab	(0,2)(0,1)(?,?)(1,2)
-12	([ab]|())(b)	ab	(0,2)(0,1)(?,?)(1,2)
-14	([ab]|())+b	aaab	(0,4)(2,3)(?,?)
--14	([ab]|())+b	aaab	(0,4)(3,3)(3,3)
+1	(()|.)(b)	ab	(0,2)(0,1)(1,2)
+-1	(()|.)(b)	ab	(0,2)(0,1)(1,2)
+#2	(()|[ab])(b)	ab	(0,2)(0,1)(?,?)(1,2)
+#-2	(()|[ab])(b)	ab	(1,2)(1,1)(1,1)(1,2)
+#3	(()|[ab])+b	aaab	(0,4)(2,3)(?,?)
+#-3	(()|[ab])+b	aaab	(3,4)(3,3)(3,3)
+11	(.|())(b)	ab	(0,2)(0,1)(1,2)
+#12	([ab]|())(b)	ab	(0,2)(0,1)(?,?)(1,2)
+#14	([ab]|())+b	aaab	(0,4)(2,3)(?,?)
+#-14	([ab]|())+b	aaab	(0,4)(3,3)(3,3)
 20	(.?)(b)	ab	(0,2)(0,1)(1,2)