[1.6.x] Fixed #23307 -- Clarified the way max_num limits the output of formsets.
[1.6.x] Fixed #23307 -- Clarified the way max_num limits the output of formsets.

Thanks velle for the report.

Backport of 5f3806b861 from master

redhat-openstack/django,redhat-openstack/django,felixjimenez/django,django-nonrel/django,felixjimenez/django,felixjimenez/django,django-nonrel/django,redhat-openstack/django,django-nonrel/django,felixjimenez/django,redhat-openstack/django,django-nonrel/django