mercurial/crew at 26290: 45 outgoing changesets

[Yuya Nishihara]

On Sun, 14 Jun 2015 13:01:10 +0200, Mercurial Commits wrote:
> http://hg.intevation.org/mercurial/crew/rev/01fbbf09eb23
> changeset:   26278:01fbbf09eb23
> user:        Pierre-Yves David <pierre-yves.david at fb.com>
> date:        Thu Jun 11 14:21:21 2015 -0700
> summary:     revset: mark the place where we are combining sets in the wrong direction

Does it mean fullreposet should be order-neutral, have no defined order?
i.e.

    class fullreposet
        def __and__(self, other):
            return other  # the first user-specified set decides the order

    # -r x:y
    fullreposet & spanset(x, y) -> spanset(x, y)