document about stacked branch

[Andrew Bennetts]

INADA Naoki wrote:
[…]
> > Your suggested example is ok, but depends on your local my-branch
> > having a usable public_location defined (otherwise the pushed branch
> > will be stacked on a URL unreachable by most people,
> > file:///.../my-branch).  So to be a workable example people can follow
> > we need to make sure they also do the necessary configuration.  I'll
> > have a stab at it, but I'm not sure I can explain it concisely enough to
> > be good documentation.
> 
> OK, please.

I've updated the doc in the 2.3 branch.  You can see the new version at
<http://doc.bazaar.canonical.com/bzr.2.3/en/user-guide/stacked.html>.

-Andrew.