sanitize

# File actionpack/lib/action_controller/vendor/html-scanner/html/sanitizer.rb, line 29
    def sanitize(text, options = {})
      result = super
      # strip any comments, and if they have a newline at the end (ie. line with
      # only a comment) strip that too
      result.gsub!(/<!--(.*?)-->[\n]?/m, "") if result
      # Recurse - handle all dirty nested tags
      result == text ? result : sanitize(result, options)
    end