Comment 5 for bug 1415188

FYI Debian removed their previously included DuckDuckGo search engine in favor of the one included upstream. Might want to do the same for Ubuntu.

https://anonscm.debian.org/cgit/pkg-mozilla/iceweasel.git/commit/debian?id=98aeb1feb002af9d286bf6de56535cd53e48290b

In addition to the search engine suggestions, additional interesting changes have been included as well.

https://hg.mozilla.org/mozilla-central/file/default/browser/locales/en-US/searchplugins/ddg.xml