I cannot get the following example to work:
(set 'data (1 1 2 2 2 2 2 2 2 3 2 4 4 4 4) )
(unique data)
(println data)
I keep on getting the subject error -- yet the example is out of "Introduction to newLISP" - except for the (println .. ) line.
What am I missing? TIA...