branching (was: [ANNOUNCEMENT] Cygwin setup.exe bugfix release 2.510.2.2)

[Brian Dessent]

Max Bowsher wrote:

> I agree with all of the above motivation, but since a branch with no commits
> is literally just a special kind of tag, why not create the branch in the
> first place?
> If it then turns out we need it, we use it. If not, no effort is wasted, we
> just continue on  trunk, and create a new release branches at each release
> from trunk.

Okay, that makes sense.  So, on releases we'll tag but not branch and
the release version will be x.yyy.  If we ever need to backport, we can
do so and the version will be x.yyy.z.z.  Correct?

Brian