While it is great that there are already duplication checks in place that checks for the addition of any duplicate person to be added.  It is actually possible to edit another person in the list to create a duplicate person using `personedit`.  <!--session: 1650087713276-70ac5a8d-0791-4005-b745-cd33e9f4730a--><!--Version: Web v3.4.2-->
While it is great that there are already duplication checks in place that checks for the addition of any duplicate person to be added.
It is actually possible to edit another person in the list to create a duplicate person using
personedit.