django/django — pull request #468 by evildmp (2012-10-25 16:30:25+00:00)
Title: ticket #19120 readonly_fields docs amended

Replaces https://github.com/django/django/pull/459 - I squashed two commits there into one.

See https://code.djangoproject.com/ticket/19120 and https://groups.google.com/forum/?fromgroups=#!topic/django-users/1NY9Qsv8Y8A%5B1-25%5D.