code: def parse_te(header):
      
      pos = 0
      names = []
      while pos < len(header):
          name, pos = expect_re(re_token, header, pos)
          _, pos = accept_ws(header, pos)
          _, pos = accept_lit(';', header, pos)
          _, pos = accept_ws(header, pos)
          qvalue, pos = accept_re(re_qvalue, header, pos)
          if name:
              names.append((name, qvalue))
          _, pos = accept_ws(header, pos)
          _, pos = expect_lit(',', header, pos)
          _, pos = accept_ws(header, pos)
      return names
docs: Parse the "TE" header.