diff -r 6342d0570502 -r 2778715487a9 progs/tests/right-assoc.txt
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/progs/tests/right-assoc.txt	Sat Apr 09 09:51:00 2016 +0100
@@ -0,0 +1,12 @@
+1	(a|ab)(c|bcd)(d*)	abcd	(0,4)(0,2)(2,3)(3,4)
+2	(a|ab)(bcd|c)(d*)	abcd	(0,4)(0,2)(2,3)(3,4)
+3	(ab|a)(c|bcd)(d*)	abcd	(0,4)(0,2)(2,3)(3,4)
+4	(ab|a)(bcd|c)(d*)	abcd	(0,4)(0,2)(2,3)(3,4)
+5	(a*)(b|abc)(c*)	abc	(0,3)(0,1)(1,2)(2,3)
+6	(a*)(abc|b)(c*)	abc	(0,3)(0,1)(1,2)(2,3)
+7	(a*)(b|abc)(c*)	abc	(0,3)(0,1)(1,2)(2,3)
+8	(a*)(abc|b)(c*)	abc	(0,3)(0,1)(1,2)(2,3)
+9	(a|ab)(c|bcd)(d|.*)	abcd	(0,4)(0,2)(2,3)(3,4)
+10	(a|ab)(bcd|c)(d|.*)	abcd	(0,4)(0,2)(2,3)(3,4)
+11	(ab|a)(c|bcd)(d|.*)	abcd	(0,4)(0,2)(2,3)(3,4)
+12	(ab|a)(bcd|c)(d|.*)	abcd	(0,4)(0,2)(2,3)(3,4)