jackmoore/colorbox — pull request #611 by frontier777 (2014-05-24 04:43:14+00:00)
Title: Restore support for rel nofollow

The documentation at http://www.jacklmoore.com/colorbox/ still states that rel:nofollow can be used to show un-grouped popups. Better to use rel:false of course, but old projects may be using the old nofollow convention.