Comment 2 for bug 869609

Well, actually, it's returning a redirect to one particular bug context:

< HTTP/1.1 303 See Other
< Date: Thu, 06 Oct 2011 23:37:18 GMT
< Server: zope.server.http (HTTP)
< X-Powered-By: Zope (www.zope.org), Python (www.python.org)
< X-Content-Type-Warning: guessed from content
< Content-Length: 0
< Location: https://bugs.launchpad.net/unity/+bug/862719
< Vary: Cookie,Authorization,Accept-Encoding
< Content-Type: text/plain;charset=utf-8
< X-Cache: MISS from nutmeg.canonical.com
< X-Cache-Lookup: MISS from nutmeg.canonical.com:3128
< Via: 1.0 nutmeg.canonical.com:3128 (squid/2.7.STABLE7)
< Via: 1.1 wildcard.launchpad.net

and that can change over time. But it's still not quite right.