[issue28393] Update encoding lookup docs wrt #27938

[STINNER Victor]

STINNER Victor <victor.stinner at gmail.com> added the comment:

Thank you Ville Skyttä for your contribution! I merged your PR and backported it to Python 3.6.

----------
resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue28393>
_______________________________________