etianen/django-historylinks — pull request #3 by twoolie (2013-01-10 03:16:21+00:00)
Title: Make sure that 301 is never cached

Cached permanent redirects are a pain in the ass to undo.

Consider `/blog/slug-a` -> `/blog/slug-b` -> `/blog/slug-a` will result in a redirect loop in the client's browser.