Fixed #23681, Fixed #27445 -- Doc'd setting choices for NullBooleanField widgets.
Fixed #23681, Fixed #27445 -- Doc'd setting choices for NullBooleanField widgets.

Thanks to David Smith for investigation and review.

Co-authored-by: Carlton Gibson <a78ed4ca58f86a26e44a41263a302b287bd23b4c@noumenal.es>
atul-bhouraskar/django,takis/django,elena/django,wkschwartz/django,MarkusH/django,apollo13/django,django/django,atul-bhouraskar/django,takis/django,adamchainz/django,koordinates/django,elena/django,blighj/django,manhhomienbienthuy/django,dsanders11/django,rsalmaso/django,shaib/django,takis/django,wkschwartz/django,adamchainz/django,MarkusH/django,django/django,dsanders11/django,shaib/django,monetate/django,monetate/django,koordinates/django,takis/django,manhhomienbienthuy/django,manhhomienbienthuy/django,ghickman/django,MarkusH/django,ghickman/django,adamchainz/django,elena/django,MarkusH/django,elena/django,auvipy/django,adamchainz/django,wkschwartz/django,wkschwartz/django,blighj/django,solarissmoke/django,felixxm/django,koordinates/django,freakboy3742/django,shaib/django,auvipy/django,solarissmoke/django,apollo13/django,freakboy3742/django,rsalmaso/django,dsanders11/django,manhhomienbienthuy/django,pauloxnet/django,django/django,ghickman/django,monetate/django,atul-bhouraskar/django,monetate/django,atul-bhouraskar/django,django/django,freakboy3742/django,felixxm/django,apollo13/django,rsalmaso/django,felixxm/django,felixxm/django,solarissmoke/django,koordinates/django,auvipy/django,apollo13/django,blighj/django,pauloxnet/django,dsanders11/django,blighj/django,auvipy/django,ghickman/django,solarissmoke/django,shaib/django,rsalmaso/django,pauloxnet/django,pauloxnet/django