* We'll use the DROP subroutine, which prefaces new objects on the
* lists. Since we want things in the other order, we'll run the
* loop backwards. If the object is in two locs, we drop it twice.
* We'll use the DROP subroutine, which prefaces new objects on the
* lists. Since we want things in the other order, we'll run the
* loop backwards. If the object is in two locs, we drop it twice.