With <SETG VERBOBL #LIST ...
the behavior is as expected.
As a workaround, you can iterate over <CHTYPE ,VERBOBL LIST> instead.
In the meantime I have hacked ZILF (perhaps in a naive way) to make it possible directly with MAPF:
Now I can do:
By the way the internal structure of OBLISTs is incompatible with MDL, so I have to change the original ZILCH code from:
Good point about the internal structure. I think this dates back to before ZILF had VECTOR. :O