Comment 11 for bug 1087145

After testing the -proposed package, I can see the issue is fixed:

$ export http_proxy=http://localhost:8000
$ wget -O/dev/null http://ubuntu-cloud.archive.canonical.com/ubuntu/dists/precise-updates/folsom/Release
--2013-05-24 20:59:53-- http://ubuntu-cloud.archive.canonical.com/ubuntu/dists/precise-updates/folsom/Release
Resolving localhost (localhost)... 127.0.0.1
Connecting to localhost (localhost)|127.0.0.1|:8000... connected.
Proxy request sent, awaiting response... 200 OK
Length: 5510 (5.4K) [text/plain]
Saving to: `/dev/null'

100%[========================================================================================>] 5,510 --.-K/s in 0s

2013-05-24 20:59:54 (161 MB/s) - `/dev/null' saved [5510/5510]

$ apt-cache policy squid-deb-proxy
squid-deb-proxy:
  Installed: 0.6.3.1
  Candidate: 0.6.3.1
  Version table:
 *** 0.6.3.1 0
        500 http://archive.ubuntu.com/ubuntu/ precise-proposed/main i386 Packages
        100 /var/lib/dpkg/status
     0.6.3 0
        500 http://us.archive.ubuntu.com/ubuntu/ precise/main i386 Packages