[1.10.x] Fixed #27993 -- Fixed model form default fallback for SelectMultiple.

Backport of 7d1e23775344cc3dead03bd4af45f4fdf134b819 from master

1 files changed, 6 insertions, 5 deletions

diff --git a/docs/ref/forms/widgets.txt b/docs/ref/forms/widgets.txt
index b977513bad..71bebf26ef 100644
--- a/docs/ref/forms/widgets.txt
+++ b/docs/ref/forms/widgets.txt
@@ -281,11 +281,12 @@ foundation for custom widgets.
         The method's result affects whether or not a field in a model form
         :ref:`falls back to its default <topics-modelform-save>`.
 
-        Special cases are :class:`~django.forms.CheckboxInput` and
-        :class:`~django.forms.CheckboxSelectMultiple`, which always return
-        ``False`` because an unchecked checkbox doesn't appear in the data of
-        an HTML form submission, so it's unknown whether or not the user
-        actually submitted a value.
+        Special cases are :class:`~django.forms.CheckboxInput`,
+        :class:`~django.forms.CheckboxSelectMultiple`, and
+        :class:`~django.forms.SelectMultiple`, which always return
+        ``False`` because an unchecked checkbox and unselected
+        ``<select multiple>`` don't appear in the data of an HTML form
+        submission, so it's unknown whether or not the user submitted a value.
 
     .. method:: use_required_attribute(initial)