Tag upstream snapshot with the following rationale: tabbar.el states: Revision: $Id: tabbar.el,v 1.7 2009/03/02 21:02:34 davidswelt Exp $ The last commit was made: Date: Tue May 24 23:01:55 2016 +0200 And it was: commit b6c285a7d59dcdb1f17716f0b60787922fa4be82