1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
e::= [7] [?] [*] [/] [W] [;] [!] [S] g::= = [0] [3] [6] [4] [u] [;t] [w] [*2] [t] [00] [;0] [] [2] [1] [u!] [5] [9] [12] [~]