than any branches, except temporary branches used to prepare patches
for forwarding upstream, for example.
-The thought behind this is that branches are things to which one
-expects to commit, while tags are immutable points in history. From
-the Debian point of the view, the upstream source is immutable. It's
-our packaging to which we expect to commit.
+The thought behind this is that from Debian's point of view, upstream
+releases are immutable points in history, better represented by tags.
=head2 The first ever dgit push