In general, it should be the case that value_encode() and value_decode() are inverses on the range of value_decode.
'\r\n' (CRLF).
Changed in version 2.5:
The default separator has been changed from '\n'
to match the cookie specification.
The meaning for attrs is the same as in output().
HTTP_COOKIE and add
the values found there as Morsels. If it is a dictionary, it
is equivalent to:
for k, v in rawdata.items(): cookie[k] = v