1#
2# Tests a[ab]*
3#
4t 0 1 a
5t 1 1 a
6t 1 1 b
7f 1
8-------
9a
10=>
11a
12a
13=>
14a
15b
16a
17b
18a
19b
20=>
21b
22=>
23a
24c
25=>
26=>
27