Why is the @ bookmark so far behind?

[Matt Mackall]

On Tue, 2012-12-18 at 10:37 -0600, Sean Farley wrote:
> $ hg log -r stable
> changeset:   18325:777084ac8416
> branch:      stable
> bookmark:    crew-stable
> tag:         crew/stable
> user:        Tim Henigan <tim.henigan at gmail.com>
> date:        Thu Nov 29 08:44:54 2012 -0500
> summary:     dirstate: remove obsolete comment from setbranch
> 
> $ hg log -r @
> changeset:   18072:e853d27956fb
> bookmark:    @
> parent:      18069:c64e646af81e
> parent:      18071:f94ead934067
> user:        Matt Mackall <mpm at selenic.com>
> date:        Wed Nov 28 18:08:51 2012 -0600
> summary:     merge with stable

We ran into an unsolved conceptual problem with update and bookmarks:

http://bz.selenic.com/show_bug.cgi?id=3682

There's some discussion of this in the archives:

http://markmail.org/message/ob2nhaucuo5nb2hx

-- 
Mathematics is the supreme nostalgia of our time.