code: def header_proc(self, inputstring, header="file", initial="initial", use_hash=None, **kwargs):
          
          pre_header = self.getheader(initial, use_hash=use_hash, polish=False)
          main_header = self.getheader(header, polish=False)
          if self.minify:
              main_header = minify(main_header)
          return pre_header + self.docstring + main_header + inputstring
docs: Add the header.