" <-APL2-------------------- sam233.txt ---------------------------->
" <- catenate with axis -------------------------------------------->
L#a#3 4R'bathbeatbind'
a,[1]'x'
0,[1]2 5RI10
" <- arguments have the same rank ---------------------------------->
L#b#2 4R'zoomzero'
a,[1]b
L#c#2 2 3RI12
L#d#2 3 3R_I18
c,[2]d
" <- arguments differ in rank by 1 --------------------------------->
L#h#'words'
L#k#2 5R'strawberry'
h,[1]k
L#q#3 5RI15
L#s#3 3 5R_I45
L#z#q,[1]s
Rz
L#z#q,[2]s
Rz
)off