changed made following the change to the value format returned by interface_api:pos_to_var_name.
changed made following the change to the value format returned by interface_api:pos_to_var_name.


arcusfelis/wrangler,prowessproject/wrangler,andrzejsliwa/wrangler,tdb/wrangler,arcusfelis/wrangler,bsmr-erlang/wrangler