sehmaschine/django-grappelli — pull request #472 by adamchainz (2014-04-09 10:43:33+00:00)
Title: Fix change_form peer-inside-peer blocks with extrahead and content

Was getting duplication of anything added in `extrahead` in sub-templates with grappelli 2.4.6 and django 1.5.5 - and therefore javascript was executing twice.