[pstricks] Finite-state Diagrams

[Francisco A. S. Grossi]

I know how to draw finite-state diagrams using pstricks. However, I did not
like the loop from one node to itself (I used nccircle for that) because it
takes most of the space around the node and it is not nice. Is there a way
to draw a thiner loop?

Francisco Grossi
Brasil 
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