diff -r 6342d0570502 -r 2778715487a9 progs/tests/class.txt
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/progs/tests/class.txt	Sat Apr 09 09:51:00 2016 +0100
@@ -0,0 +1,14 @@
+1	aa*			xaxaax	(1,2)
+2	(a*)(ab)*(b*)		abc	(0,2)(0,1)(?,?)(1,2)
+-2	(a*)(ab)*(b*)		abc	(0,2)(0,0)(0,2)(2,2)
+3	((a*)(ab)*)((b*)(a*))	aba	(0,3)(0,2)(0,0)(0,2)(2,3)(2,2)(2,3)
+4	(...?.?)*		xxxxxx	(0,6)(4,6)
+5	(a|ab)(bc|c)		abcabc	(0,3)(0,2)(2,3)
+6	(aba|a*b)(aba|a*b)	ababa	(0,5)(0,2)(2,5)
+7	(a*){2}			xxxxx	(0,0)(0,0)
+8	(a*)*			a	(0,1)(0,1)
+9	(aba|a*b)*		ababa	(0,5)(2,5)
+10	(a(b)?)+		aba	(0,3)(2,3)(?,?)
+11	.*(.*)			ab	(0,2)(2,2)
+12	(a?)((ab)?)(b?)a?(ab)?b?	abab	(0,4)(0,1)(1,1)(?,?)(1,2)(?,?)
+-12	(a?)((ab)?)(b?)a?(ab)?b?	abab	(0,4)(0,1)(1,1)(?,?)(1,2)(2,4)