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Documented that m2m_changed isn't triggered when M2M is displayed as admin inline. 

Refs #6707.
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Loic Bistuer 2015-01-30 01:17:16 +07:00
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commit 9d104a21e2
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docs/ref/contrib/admin/index.txt
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@ -2164,6 +2164,11 @@ model to represent the many-to-many relationship, you must tell Django's admin
to *not* display this widget - otherwise you will end up with two widgets on
your admin page for managing the relation.
Note that when using this technique the
:data:`~django.db.models.signals.m2m_changed` signals aren't triggered. This
is because as far as the admin is concerned, ``through`` is just a model with
two foreign key fields rather than a many-to-many relation.
In all other respects, the ``InlineModelAdmin`` is exactly the same as any
other. You can customize the appearance using any of the normal
``ModelAdmin`` properties.