Generates an association structure of symbol at depth, and returns the new list. This function generates patterns having many repeating elements.
(initdef)
(defsym a '(a b c))
(defsym b '(c d e c b a))
(gen-notrans a 4)
--> (a a a a a b c b c d e c b a c b c d e c b c d ...)
The :tree is 'default if not given. If you want to keep multiple definitions in memory at the same time without interference problems use different trees.