Tags give the ability to mark specific points in history as being important
5.6.1+dfsg-3ubuntu5~1; urgency=medium
5.6.1+dfsg-3ubuntu2~1; urgency=medium
5.7.0+dfsg-3 experimental; urgency=medium
5.5.1+dfsg-16ubuntu11; urgency=medium
5.5.1+dfsg-16ubuntu6; urgency=medium