news from the topic experiment

[Jun Wu]

Excerpts from Kevin Bullock's message of 2016-09-22 20:52:34 -0500:
> > On Sep 22, 2016, at 20:14, Jun Wu <quark at fb.com> wrote:
> > 
> > Excerpts from Sean Farley's message of 2016-09-22 17:30:34 -0700:
> >> Completely false. Take a look at the hgtopics repo:
> >> 
> >> $ hg log --debug -vr 093a | grep "\(topic=\|phase\)"
> >> phase:       public
> >> extra:       topic=stackheader
> > 
> > I admit I didn't look into the details carefully. Sorry for that.
> > 
> > I think the major difference is the "local" vs "global" part. I do think
> > having the ability to give changesets private labels locally can be useful -
> > that's probably another extension other than "topic".
> 
> It's not even an extension -- if a local label is what you want, we've had localtags since before bookmarks existed.
> 
> pacem in terris / мир / शान्ति / ‎‫سَلاَم‬ / 平和
> Kevin R. Bullock

The difference is:

A localtag can only point to a single changeset, while a "local named
branch" can point to a set of changesets.