def sprinkle_textile_magic(column)
      require 'redcloth'
    
      extend HasMarkup::Textile::ClassMethods
      include HasMarkup::Textile::InstanceMethods
    
      validates_textile_syntax column
      define_method "#{column}_html" do
        markdown = self.send(column)
        self.generate_html_from_markdown(markdown)
      end
    end
def sprinkle_textile_magic(column)
      require 'redcloth'
    
      extend HasMarkup::Textile::ClassMethods
      include HasMarkup::Textile::InstanceMethods
    
      validates_textile_syntax column
      define_method "#{column}_html" do
        markdown = self.send(column)
        self.generate_html_from_markdown(markdown)
      end
    end
Sprinkles the magic needed to support textile. In particular, it will define a method <tt>column_html</tt> which uses RedCloth to
 generate HTML.