Ruby on Rails and ä,ö,ü etc

If you need "Umlaute" in Ruby on Rails you can use the following filter
in the ApplicationController:

class ApplicationController < ActionController::Base
  before_filter :charset
  def charset
    if request.xhr?
      @response.headers["Content-Type"] ||= 
     "text/javascript; charset=iso-8859-1"
    else
      @response.headers["Content-Type"] ||=
     "text/html; charset=iso-8859-1"
    end
  end
end