Library/Transducers/FST FST · Rational transduction nondeterministic rewriter @thethinkmachine·version 1·CC BY 4.0·added 28 Sept 2026 The textbook Finite State Transducer example. Open in AutomataStudio More ▾ Open in the desktop app Download the .automaton file Source on GitHub q0a/0, a/1, b/X The machine as drawn — 1 state, 3 transitions.