Resolvendo problemas de acentuação nos controllers e views do Ruby On Rails

# Filters added to this controller apply to all 
# controllers in the application.
# Likewise, all the methods added will be 
# available for all controllers.

class ApplicationController < ActionController::Base
  before_filter :set_charset
  helper :all # include all helpers, all the time

  # See ActionController::RequestForgeryProtection for 
  # details
  # Uncomment the :secret if you're not using the cookie session store
  protect_from_forgery # :secret => '0c4062961280dd6a655929a3a1a3ca36'
  self.allow_forgery_protection = false
  
  def set_charset 
    headers["Content-Type"] = "text/html; charset=ISO-8859-1" 
  end
  
  # See ActionController::Base for details 
  # Uncomment this to filter the contents of submitted sensitive 
  # data parameters
  # from your application log (in this case, all fields 
  # with names like "password"). 
  # filter_parameter_logging :password
end