method
    
    escape_once
 
  escape_once(html)
  public
  Returns an escaped version of html without affecting existing escaped entities.
escape_once("1 < 2 & 3") # => "1 < 2 & 3" escape_once("<< Accept & Checkout") # => "<< Accept & Checkout"

 RSpec
RSpec Ruby on Rails
Ruby on Rails Ruby
Ruby 
   
   
    
     
   
   = protected
 = protected
  