[3.8] bpo-34160: explain how to deal with attribute order in ElementTree (GH-14867) by miss-islington · Pull Request #14935

[3.8] bpo-34160: explain how to deal with attribute order in ElementTree (GH-14867) by miss-islington · Pull Request #14935 · python/cpython

…ythonGH-14867)

* Fix the formatting in the documentation of the tostring() functions.

* bpo-34160: Document that the tostring() and tostringlist() functions also preserve the attribute order now.

* bpo-34160: Add an explanation of how users should deal with the attribute order.
(cherry picked from commit a3697db)

Co-authored-by: Stefan Behnel <stefan_ml@behnel.de>