anchor.diff:             chunked        = false,
              date           = make_date_header(),
              server         = make_server_header(),
  +           last_modified  = make_last_modified_header(UT#urltype.finfo),
              etag           = make_etag_header(UT#urltype.finfo),
              content_length = make_content_length_header(0),
              connection     = make_connection_close_header(DoClose),
  
positive.code:            encoding          = Encoding,
             date              = make_date_header(),
             server            = make_server_header(),
             etag              = make_etag_header(UT#urltype.finfo),
             content_range     = make_content_range_header(Range),
             content_length    = make_content_length_header(Length),
  
negative.code:                noundef(H#outh.location),
                 noundef(H#outh.date),
                 noundef(H#outh.allow),
                 noundef(H#outh.last_modified),
                 noundef(Expires),
                 noundef(CacheControl),
                 noundef(H#outh.etag),
  