Tags give the ability to mark specific points in history as being important
1:5.1.0+dfsg-1 experimental; urgency=medium
1:5.1.0~rc1+dfsg-1 experimental; urgency=medium
1:5.1.0~beta2+dfsg-2 experimental; urgency=medium
1:5.1.0~beta2+dfsg-1 experimental; urgency=medium
1:5.1.0~beta1+dfsg-1 experimental; urgency=medium
1:5.0.0~beta5+dfsg-1 experimental; urgency=medium
1:5.0.0~beta3+dfsg-1 experimental; urgency=medium
1:5.0.0~beta1+dfsg-1 experimental; urgency=medium