# File lib/dm-types/slug.rb, line 25
      def self.escape(string)
        result = Iconv.iconv('ascii//translit//IGNORE', 'utf-8', string).to_s
        result.gsub!(/[^\x00-\x7F]+/, '')  # Remove anything non-ASCII entirely (e.g. diacritics).
        result.gsub!(/[^\w_ \-]+/i,   '')  # Remove unwanted chars.
        result.gsub!(/[ \-]+/i,      '-')  # No more than one of the separator in a row.
        result.gsub!(/^\-|\-$/i,      '')  # Remove leading/trailing separator.
        result.downcase!
        result
      end