Tags give the ability to mark specific points in history as being important
tagging blender release candidate 2.74
Tagging blender release 2.73a
Tagging blender release v2.73
tagging blender release candidate 2.73
Tagging blender release 2.72
tagging blender release: 2_67b_release, from 2_67a_release
tagging blender release: 2_67a_release, 4510