alphagov/transition — pull request #407 by issyl0 (2014-09-15 15:55:12+00:00)
Title: Disallow redirects to TNA

- We came across some redirects to TNA, instead of archives. This stops
users from adding any URL beginning with
http://webarchive.nationalarchives.gov.uk/ as a redirect, and editing them to add a redirect pointing to the same URL.