// Description of yet another "domino sequence"
// in 2Iota.  This is mainly to demonstrate the
// failure modes (alphabet expressions after "|".)

alphabet Domino,
	One, Two, Three, Four, Five, Six, Seven;

event Begin,
	causes Domino One Falls;

event Domino (N = Domino+) Falls,
	causes Domino (next N | first Domino) Falls.