zero-plus behaves like one-plus

What steps will reproduce the problem?
1. re "a";
2. zero-plus
3. write att

What is the expected output? What do you see instead?
Expected:
0   1   a   a
1   1   a   a
0
1
Seen:
0   1   a   a
1   1   a   a
1

What version of the product are you using? On what operating system?
Foma, version 0.9.14alpha; tested on Ubuntu Linux 10.04 and Mac OS 10.7.

Please provide any additional information below.
Also tested with several other automata. Explicit Kleene star in the regex 
works.

Original issue reported on code.google.com by wuerz...@gmail.com on 27 Jan 2012 at 9:31

cherepanovic / foma

zero-plus behaves like one-plus #18