PANON
A family of pattern-directed string processing languages based on generalized Markov algorithms.
"String Processing Languages and Generalized Markov Algorithms", A. C. Forino, Proceedings of the IFIP Working Conference on Symbolic Manipulation Languages, pp.141-206, Amsterdam 1968.
PANON-1
Based on simple GMA's.
PANON-2
Based on conditional functional GMA's.