django/django — pull request #542 by per42 (2012-11-19 14:39:21+00:00)
Title: Fixed #19314 -- contrib.admin send signal on add_row

When a user clicks add_row after some inlines in admin, a django.signal
is sent with the new form's DOM element. This can be used by widgets
that need to run some javascript when they have been added to the DOM.

https://code.djangoproject.com/ticket/19314