Processing HeadsController#edit (for 127.0.0.1 at 2008-04-01 17:31:04) [GET]
  Session ID: dea484c2f363a4aa8e8a0eed57f80452
  Parameters: {"format"=>"html", "action"=>"edit", "id"=>"20", "controller"=>"heads"}
Completed in 0.00224 (446 reqs/sec) | Rendering: 0.00004 (1%) | DB: 0.00000 (0%) | 406 Not Acceptable [http://development.example.com/heads/20/edit.html]