+ [[strunc('a c ', 9)], ["a c"]],
+ [[strunc('a c ', 7)], ["a c"]],
+ [[strunc('a c ', 6)], ["a c"]],
+ [[strunc('a c ', 5)], ["a c"]],
+ [[strunc('a c ', 4)], ["a c"]],
+ [[strunc('a c ', 3)], ["a c"]],
+ [[strunc('a c ', 2)], ["a"]],
+ [[strunc('a c ', 1)], ["a"]],
+ [[strunc('a c ', 0)], [""]],
+ [[strunc('a c ', -1)], [""]],
+ [[strunc('a c ', $sysmis)], [""]],
+ [[strunc(' abc ', 9)], [" abc"]],
+ [[strunc(' abc ', 8)], [" abc"]],
+ [[strunc(' abc ', 7)], [" abc"]],
+ [[strunc(' abc ', 6)], [" abc"]],
+ [[strunc(' abc ', 5)], [" abc"]],
+ [[strunc(' abc ', 4)], [" ab"]],
+ [[strunc(' abc ', 3)], [" a"]],
+ [[strunc(' abc ', 2)], [""]],
+ [[strunc(' abc ', 1)], [""]],
+ [[strunc(' abc ', -1)], [""]],
+ [[strunc(' abc ', $sysmis)], [""]],
+