def standard
      form = self.mailbox
      form += @config[:tag_separator] + self.tag if self.tag
      form += "(" + self.comment + ")" if self.comment
      form.gsub!(/([\\\"])/, '\\\1') # Escape \ and "
      if form =~ /[ \"\(\),:<>@\[\\\]]/ # Space and "(),:;<>@[\]
        form = %Q("#{form}")
      end
      form
    end
def standard
      form = self.mailbox
      form += @config[:tag_separator] + self.tag if self.tag
      form += "(" + self.comment + ")" if self.comment
      form.gsub!(/([\\\"])/, '\\\1') # Escape \ and "
      if form =~ /[ \"\(\),:<>@\[\\\]]/ # Space and "(),:;<>@[\]
        form = %Q("#{form}")
      end
      form
    end
Returns a normalized version of the standard address parts.