Tags give the ability to mark specific points in history as being important
[svn-buildpackage] Tagging gtk+3.0 3.20.1-2
[svn-buildpackage] Tagging gtk+3.0 3.19.12-1
[svn-buildpackage] Tagging gtk+3.0 3.18.9-1
[svn-buildpackage] Tagging gtk+3.0 3.18.8-1