silverstripe/sapphire — pull request #1130 by kmayo-ss (2013-01-24 23:17:57+00:00)
Title: BUG: fixing previews for old pages in side by side editing ticket 8089

Fix for previewing old pages in history with side by side editing check for a archive date value and append that to the iframe url if it exists.

The following pull request has been raised for CMS
https://github.com/silverstripe/silverstripe-cms/pull/278