" <-APL2-------------------- sam210.txt ---------------------------->
" <-----------------------------find-------------------------------->
'ab'`E 'ababababa'
L#h#4 5R'abcaba'
L#k#2 3R'bcaabc'
k`Eh
'ba'`Eh
L#q#2 3R'abcabb'
q`E'abcabb'
s#'go' 'on' 'go' 'to'
'go' 'to' `E s
'goto' `E s
(~'  '`Es)/s#'ab    def'
)off