Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:29.0) Gecko/20100101 Firefox/29.0 Nightly/29.0a1 (2014-02-03) steps: 1. visit a url with a hostname that does not resolve eg. http://cheese.example.com/ 2. read error message actual: > Server not found > Firefox can't find the server at cheese.example.com.&f=regular "&f=regular" is included in the error message, but isn't present in the request. expected: > Server not found > Firefox can't find the server at cheese.example.com
Me too with Mozilla/5.0 (X11; Linux x86_64; rv:29.0) Gecko/20100101 Firefox/29.0 so it is not Mac specific.
Possibly duplicate of bug 967342 ?
It really is.