[CM] query on references within Loop

[Rick Taube]

and here it is in sal, look ma no quote!

define variable a-ref = {a1  (1 2 3) a2},
                 b-ref = {b1  (4 5 6) b2},
                 c-ref = {c1  (7 8 9) c2},
                 ref-list = list(a-ref, b-ref, c-ref)

#a[list for refx in ref-list collect second(refx)]